230results about How to "Reduced Harvest Costs" patented technology

The invention relates to a high-yield microalgae cultivating method. The method comprises a step of carrying out heterotrophic cultivation on microalgae algae species and a step of carrying out photoautotrophic cultivation by using algae cells obtained by heterotrophic cultivation as seeds. For the microalgae capable of growing heterotrophically, due to the adoption of the method, the advantage that the algae cells grow rapidly in the heterotrophic phase of the microalgae can be sufficiently played, not only a great amount of algae species can be provided in time for large scale photoautotrophic cultivation of the microalgae, but also the photoautotrophic growth of the microalgae and a forming rate of target products (such as oil, proteins and the like) can be quickened. An important technical means is provided for solving the problems of long algae specie spreading cultivation period, low cell growing speed and low yield of the target products in the large scale photoautotrophic cultivation process of the microalgae.

The present invention relates to a reaping apparatus and a reaping method for continuously reaping whole plants of green vegetables. The reaping apparatus comprises a machine frame, a crop divider, a ripper, a clamping, pulling and reversing apparatus, a root cutting apparatus, a transport apparatus, a lifting apparatus, and a walking apparatus. The crop divider is used for dividing and lifting green vegetables in a harvest area; the ripper is used for ripping a soil at roots of the green vegetables that are gathered together by the crop divider; the clamping, pulling and reversing apparatus is used for clamping and pulling the green vegetables that are gathered together, and reversing the green vegetables during a clamping and conveying process; the root cutting apparatus is used for stably and regularly cutting roots of the green vegetables during a clamping and delivering process; the transport apparatus is used for transporting the green vegetables that are pulled out; the lifting apparatus is used for supporting the clamping, pulling and reversing apparatus, and adjusting a height of the clamping, pulling and reversing apparatus from the ground; and the walking apparatus is used for driving the machine frame to walk in the harvest area. According to the reaping apparatus and reaping method provided by the present invention, a pulling method with flexible belts parallel processing is adopted to continuously reap the whole plants of green vegetables; a flexible material is adopted to avoid damage to stems or leaves; and adaptability to vegetable harvest is good.

An un-baling system for transforming substantially rectangular bales of farm product into smaller substantiality rectangular sized bales of farm products. The un-baling system incorporates a first rail mounted conveyor subsystem connected to a first rail mounted conveyor-thrasher subsystem. The first rail mounted conveyor-thrasher subsystem is connected to a platform conveyor subsystem in such a way as to enable the first rail mounted conveyor subsystem to convey the farm product to the first rail mounted conveyor-thrasher subsystem wherein the farm product is thrashed. The thrashed farm product is gravity fed onto the platform conveyor subsystem. The platform conveyor subsystem then feeds the thrashed farm product into the baling machine. A plurality of un-baling systems may be ganged together to further increase the volume of production in transforming large substantially rectangular bales of farm products into smaller substantiality rectangular sized bales of farm products.

The invention relates to the technical field of agricultural machinery, in particular to an integrated harvester of water chestnuts. The integrated harvester of the water chestnuts is characterized inthat the integrated harvester of the water chestnuts comprises a walking machine and a frame; the walking machine is connected with a hydraulic suspension system which is connected with an engine ofthe same; the hydraulic suspension system comprises a transmission case and a hydraulic cylinder; a spindle I is fixed on a smashing mechanism behind the walking machine in drive connection; a shovelboard is arranged at the entrance of a front chamber and in active fit with the front chamber; a push plate vibration mechanism is installed in the front chamber; a mud pump and a high pressure air pump are mounted on the frame and powered by a generator configured by the engine; a water and gas mixing cleaning mechanism is installed in a transport warehouse; a compensatory cleaning mechanism is arranged just below the water and gas mixing cleaning mechanism; a water outlet of the mud pump is connected with a water pipe; a pluarlity of nozzles are mounted on the water pipe; an air outlet of the high pressure air pump is connected with an appendix. The integrated harvester of the water chestnuts has the advantages of being clean after five times of cleaning during work process of the wholemachine, greatly reducing damage during harvesting, improving harvesting efficiency and reducing farmers' harvesting costs.

The invention relates to the technical field of microorganisms, and discloses single needle alga. The preservation number of the single needle alga is CGMCC No.8776, and the single needle alga is named single needle alga C29. The single needle alga is fast in growth speed and high in grease yield, and is an excellent bacterial strain of producing biodiesel. The invention also provides an open culture method of the single needle alga. By adopting the method, a specific culture medium is adopted to cultivate, and growth of the single needle alga C29 and accumulation of grease are facilitated. The invention also provides a recovery method of the single needle alga C29. The recovery method has nontoxicity, high flocculation efficiency and low recovery cost. The invention also provides an application of the single needle alga C29 in production of grease, especially production of biodiesel.

The invention relates to a potato combined harvester, which is capable of effectively solving the problem of low potato harvesting efficiency. According to the technical proposal, the potato combined harvester comprises a frame, wherein the frame is composed of a main frame and an auxiliary frame which are articulated with each other; a stem cutter, a stem pick-up device and a stem feeder are sequentially mounted on the auxiliary frame; a stem crushing / throwing mechanism is mounted on the main frame of the discharge end of the stem feeder; a driving cab and a potato collecting box are mounted on the main frame; an engine and a speed changing box which are connected together are sequentially mounted on the main frame at the lower part of the driving cab; a potato-soil lifter and a cage type potato-soil separator are respectively mounted on the main frame at the lower part of the potato collecting box, respectively; a potato block lifting conveyor is mounted at the rear part of the main frame; the speed changing box is connected with the cage type potato-soil separator through a universal joint transmission shaft; the discharge end of the potato-soil lifter is connected with the feeding end of the cage type potato-soil separator; the discharge end of the cage type potato-soil separator is connected with the feeding end of the potato block lifting conveyor; and the discharge end of the potato block lifting conveyor is arranged above the mouth part of the potato collecting box. The potato combined harvester is convenient for operation so that the operation efficiency of potato harvesting is greatly improved.

The invention discloses an inverted umbrella type forest fruit vibration harvesting mechanism. The inverted umbrella type forest fruit vibration harvesting mechanism comprises a traction chassis, a travel wheel, a power transmission device, a hydraulic control system, a harvesting fixed frame, a vibration box, a vibration clamping cantilever, a fruit receiving frame and a fruit receiving mechanism. The inverted umbrella type forest fruit vibration harvesting mechanism is characterized in that the fruit receiving mechanism is an inverted umbrella-shaped fruit receiving mechanism; the unfolding and folding of the inverted umbrella-shaped fruit receiving mechanism are controlled by a hydraulic motor; and a fruit discharge opening is formed in the bottom of the inverted umbrella-shaped fruit receiving mechanism. According to the inverted umbrella type forest fruit vibration harvesting mechanism provided by the invention, vibration harvesting is integrated with fruit receiving, single-person operation can be realized, the harvesting cost is greatly reduced, and the labor intensity is alleviated; and moreover, the harvesting mechanism is small in size, suitable for garden harvesting with large planting density and small operation space, simple in operation and high in harvesting efficiency.

The invention belongs to the field of massive microalgae cultivation, in particular relating to a small-fall open pond for massively cultivating microalgae as well as a use method and an application thereof. Based on the open pond of the invention, the open pond comprises a stirrer, wherein the stirrer is rotated, the altitude of the pond bottom at the algae liquid outlet of the stirrer is maximum and the difference between the maximum altitude and the altitude of the pond bottom at an algae liquid inlet is less than 5cm, thus the rest of a runner is sloped, and liquid flows in a converse direction. The pond bottoms between the outlet of the stirrer and the inlet of the stirrer are in inclined plane or cambered surface connection. The altitude of the runner of the pond bottom gradually decreases from the algae fluid outlet of the stirrer to the algae liquid inlet of the stirrer along the liquid flow direction. The small-fall open pond for realizing even cultivation of a microalgae superficial layer provided by the invention can greatly improve the algae cell intensity, and reduce the water body driving energy consumption. In addition, the improvement of the algae cell intensity can greatly reduce the water body amount, thus reducing the harvesting cost of the algae cells by a large margin.

The invention relates to the field of agricultural machinery, in particular to a young garlic shoot harvester which comprises a car frame. A swing cutter device for cutting down young garlic shoots from bottoms is arranged at the front end of the car frame, a conveying device for conveying the young garlic shoots cut down by the swing cutter device to a harvesting box on the car frame is arranged above the swing cutter device on the car frame, advancing wheels are arranged on the two sides of the car frame, a land supporting drag wheel is arranged at the tail end of the car frame, a young garlic shoot drawing device for gathering and lifting young garlic shoots up in an advancing process of the car frame is arranged on the car frame and between the conveying device and the swing cutter device, and a peeling device for peeling the young garlic shoots in a lifting process through the young garlic shoot drawing device is arranged on the car frame and between the young garlic shoot drawing device and the swing cutter device. The young garlic shoot harvester disclosed by the invention solves the problem of mechanically harvesting the young garlic shoots, further has a reasonable structure, small volume, flexibility and convenience to operate and high work efficiency, wins precious harvesting time for young garlic shoot farmers and effectively reduces harvesting cost.

The invention provides a culture method for increasing the yield of fucoxanthin contained in diatom. The culture method comprises the following steps of: (1) heterotrophically culturing activated diatom for 3-8 days so that the diatom is in a logarithmic growth period; (2) inoculating a diatom culture solution obtained from the step (1) in the logarithmic growth period as a seed solution into a heterotrophic culture vessel which contains a heterotrophic culture medium (culture medium I) according to 5%-50% volume of inoculation amount to carry out heterotrophic culture for 4-12 days at the temperature of 20-34 DEG C, wherein tomato extractives are added to the heterotrophic culture medium (culture medium I) obtained from the step (2). The culture method provided by the invention can enhance the biomass concentration of the diatom and increase the fucoxanthin content of a stable diatom body, thereby increasing the yield of the fucoxanthin contained in the diatom.

The invention discloses a sisal harvester. A small diesel generator (5) is installed on a small platform lorry, which provides power for the whole sisal harvester; the sisal harvester is provided with a dicing saw blade (11); the dicing saw blade (11) is driven through a main servo motor (14) to rotate; the main servo motor (14) is installed on a lifting bottom plate (9), the height of which can be adjusted; the main servo motor (14) is in flexible connection with the lifting bottom plate (9); a guide protective cover (12) is arranged outside the dicing saw blade (11); one end of the guide protective cover (12) is connected with a motor supporting plate (18) through a guide protective cover supporting rod (19); the other end of the guide protective cover (12) is connected with a saw blade shaft (20) through a bearing; and a sisal collector (3) is arranged at the lower front part of the dicing saw blade (11). The sisal harvester is also provided with a lifting servo motor (15), a lead screw (13), a vertical column (6), a control box (4) and a driving servo motor (8). The sisal harvester has the benefits that sisal harvesting mechanization is realized, the sisal harvester is simple and convenient to operate, the harvesting efficiency is high, and the sisal harvesting cost is greatly reduced.

The invention relates to a crawler harvester which is provided with a road wheel. The harvester is respectively provided with a dismountable driving wheel transmission mechanism and a lifting-typed steering wheel transmission mechanism at the front end and the rear end of the crawler harvester. The dismountable driving wheel transmission mechanism mainly consists of a driving wheel, a front platform, a platform supporting rod and a front platform hydraulic cylinder; the lifting steering wheel transmission mechanism mainly consists of a steering wheel, a rear axle supporting frame, a steering hydraulic cylinder and a rear supporting cylinder. The newly added wheel system of the invention saves transport equipment which can be used for specially carrying the crawler harvester to the operation sites; meanwhile, under the situation of dry plot, the crawler does not reach the ground and the wheel system is used for carrying out the harvest operation, thus reducing the abrasion of the damageable parts of the crawler harvester, prolonging the service life and reducing the harvest cost; furthermore, the crawler harvest has dual-functions for paddy and wheat and provides convenience for the operators.

The invention relates to a self-propelled multifunctional straw harvesting grinder. The grinder comprises a frame, wherein the frame is arranged on a front drive axle and a rear drive axle, the front end of the frame is provided with a driving cab, and one side of the driving cab is provided with an elevator; the front end of the elevator is provided with a header in a connecting way, and the rear end of the elevator is connected with a grinder body; the lower part of a connectionjunction between the elevator and the grinder is provided with a secondary recovery device, the lower part of the frame is provided with a stubble cleaner, and the frame at the upper part of the rear drive axle is provided with a hopper box. The self-propelled multifunctional straw harvesting grinder provided by the invention has the beneficial effects that vertical, inclined and lodging straws can be effectively harvested; furthermore, the harvested straws can be prevented from being mixed up with soil and impurities, and the sanitation of the ground straws can be ensured; meanwhile, the ground and leaked straws can be uniformly fed into the hopper box; in addition, the roots of the straws can be ground and returned to field when the straws are harvested; finally, the harvesting grinder is compact in structure, high in efficiency, convenient to harvest and transport and comfortable to operate, labor saving can be realized, and the great convenience can be provided for the harvesting and reusing of the crop straws.

The invention discloses a cultivation method for promoting rapid accumulation of oil producing microalgae cells and grease. At first, under heterotrophic culture condition, the cells are stimulated to grow rapidly by utilizing fulvic acid; when the microalgae cells grow to the anaphase of logarithmic phase, cell concentration reaches 6.63g L<-1> at the moment; supernatant is removed through centrifugation so as to serve as a seed solution required in a subordinate phase. A 1000mgL<-1> fulvic acid mother solution is prepared by using pure water, and the fulvic acid mother solution is added in kuh1 culture mediums, so that the concentrations of the fulvic acidare 5, 25, 125, and 625mg L<-1> respectively. Then the obtained seed solution is added in the kuh1 culture mediums containing the fulvic acid of different concentrations, and the initial concentration of the seed solution is 2.3g L<-1>. Then the algae solution is subjected to continuous illumination cultivation, and sampling is performed every two other days for measuring biomass and grease content. The cultivation method disclosed by the invention is simple and feasible, and low in cost; the cultivation time is greatly shortened and the grease content is remarkably increased, and great significance is put forth for the industrialization of microalgae biodiesel production.

The invention relates to a harvesting machine for a root-tuber crop in a deep soil layer. Straight growing root-tuber crops, such as Chinese yam, are almost harvested by manual operation, so that the efficiency is low and the cost is high. The existing harvesting equipment has the defects that the soil excavating depth is shallow, and the crop completeness is difficult to guarantee. The harvesting machine comprises a power device, a machine frame, spiral drilling rods, a front conveyor, a conveying bet mechanism and a soil discharging auger, wherein side baffles are fixed to the two sides of the machine frame; the spiral drilling rods are assembled at the lower part of the front section of the machine frame side by side; the front conveyor and the conveying bet mechanism are assembled on the machine frame in sequence, and are joined and matched in tandem to convey and lift the harvested crop and soil to the ground; the soil discharging auger which is connected with the spiral drilling rods and the power device transfers power and evacuates the soil below the machine frame and pushed by the spiral drilling rods backwards. According to the harvesting machine, through mechanical soil loosening and through two-stage conveying of the front conveyor and the conveying belt mechanism, the soil excavating depth is increased, the work efficiency is improved, and the labor intensity and the operation cost of the crops, such as the Chinese yam, are reduced.

The invention relates to a multifunctional threshing drum. The multifunctional threshing drum comprises a driving shaft, a positioning center plate and a plurality of threshing component support bars, wherein the driving shaft is used for driving the multifunctional threshing drum to rotate, the positioning center plate is relatively fixedly arranged with the driving shaft, and the threshing component support bars are arranged along the circumference of the positioning center plate and provided with threshing components. The threshing components of the multifunctional threshing drum comprise at least two kinds of threshing components arranged on the threshing component support bars circumferentially and used for threshing different crops, and the threshing component support bars can rotate to switch the threshing components used for threshing. According to the multifunctional threshing drum, threshing of different crops can be realized under the condition of not changing the integral structure of the threshing drum and not replacing main parts of the threshing drum, so that utilization rate of the threshing drum is improved, and labor intensity and harvesting cost are reduced. The invention further relates to a combine harvester adopting the multifunctional threshing drum.

The invention belongs to the field of agricultural machinery, and particularly relates to a root-soil separating device for root crops. The root-soil separating device is suitable for root-soil separating operation of corn stubbles, root Chinese medicinal materials, potatoes and other crops, and comprises a traction frame, a rack, a drive mechanism, a double-wheel grinding mechanism, rod chain conveying mechanism, flexible connection fly-ball striking mechanisms, a shied plate, a land wheel and a stubble collecting box. In the operating process, a tractor power output shaft drives the drive mechanism, and the rod chain conveying mechanism conveys fallen root crops to back upper portion. In the conveying process, root-soil complex whole is ground and twisted through the double-wheel grinding mechanism, and two flexible connection fly-ball striking mechanisms strike the root-soil complex whole and separate the root-soil complex whole in sequence. The root crops which are thrown out dash against the shield plate under the impact, and finally fall into the stubble collecting box, and the root-soil separation process is finished. The root-soil separating device has the advantages of being simple and compact in structure, low in construction cost, high in production efficiency, wide in application range, high in root-soil separation rate, low in loss rate, and the like.

The invention discloses a Tribonema sp. PD2 strain with a preservation number of CGMCC No.10488, and application thereof in the production of biodiesel, palmitoleic acid, feed, food, skin care products, and therapeutic drugs for cardiovascular and cerebrovascular diseases, and in the carbon dioxide emission reduction, and waste gas treatment and / or wastewater treatment. The Tribonema sp. PD2 strain has the advantages of fast growth, high biomass and easiness in harvesting, and is suitable for industrial application. The oil content of the Tribonema sp. PD2 strain is as much as 60% or more of the dry biomass, wherein the content of C16-C18 is as much as 85% of the total fatty acids, the content of the palmitoleic acid (C16:1omega7) is no less than 45% of the total fatty acids, and the content of the total unsaturated fatty acids is as much as 65% of the total fatty acids. Therefore the Tribonema sp. PD2 strain is especially suitable for the production of biodiesel and the development of health care products and foods.

The invention discloses a stalk chopping and pickup square baler which is arranged right behind a tractor. The square baler comprises a cutting and grinding mechanism and a compressing and baling mechanism, wherein the compressing and baling mechanism is arranged above the cutting and grinding mechanism; a pickup transport mechanism is arranged between the cutting and grinding mechanism and the compressing and baling mechanism; the pickup transport mechanism contains a pickup cavity arranged on the back of the casing of the grinder; an auger arranged in the pickup cavity, a fan arranged on one end of the auger and a scraper conveying mechanism arranged in an inclined manner; and the scraper conveying mechanism is arranged between the air outlet of the fan and the feeding fork. By adopting the invention, the stalks of corn and cotton can be cut, grinded, picked up, conveyed, compressed and baled conveniently once; and the square baler has strong functions, stable operation, high operation efficiency and low harvest cost.

The invention relates to the technical field of agricultural agronomy, in particular to a cress seed harvesting method. The cress seed harvesting method includes the steps of firstly, removing cress stems and leaves in a seed production field in late seed production phase of cress when most ripe cress seeds naturally fall, dropping the cress seeds not naturally falling in the cress stems and leaves into the seed production field, and removing the cress stems and leaves out of the seed production field; secondly, irrigating the seed production field to float the cress seeds to water surface; and thirdly, collecting the cress seeds in the seed production field with a screen. By the use of the cress seed harvesting method, harvesting cost is lowered, yield and quality of cress seed production are improved, and ripeness of the collected cress seeds is high.

The invention provides a combined hemp and tip harvesting system. A horizontal type header is configurated above the front of a combined harvester, a chopping machine is arranged above the front of the right, is a disc-type chopping machine and comprises a pair of quick and slow disc-type cutting knife rollers opposite in rotation direction, a feed bin is arranged at the lower portion of the chopping machine, the horizontal type header is hinged to a main machine and comprises a hemp moving wheel supporting frame, a hemp moving wheel, a cutter, a driving box, a conveying and collecting chain and a conveying belt, the hemp moving wheel is a common beating plate type or eccentric elastic tooth-type wheel, the cutter is a double-blade reciprocating cutter, and the conveying belt is a wide belt. The combined hemp and tip harvesting system completes multi-process united harvesting of ramie fiber and feed of a hemp garden at a time, is high in production efficiency, can save a large amount of harvesting cost and improves the economic benefits of hemp farmers.

A decalcification technique of high-calcium old brine in a salt field includes the following steps: (1), dissolving mirabilite; (2), evenly mixing mirabilite mother liquid obtained in the step (1) with the high-calcium old brine in the salt field according to a molar ratio of Ca2+ to SO42- being 1: (1-1.2) for 1-24 hours to obtain slurry; (3), filtering; (4) washing and drying; (5), returning the decalcified old brine obtained in the step (3) to the sodium chloride salt field and continuing to evaporate the old brine. The decalcification technique has the advantages that sodium sulfate resources of a salt lake or nearby places are fully used for reacting with calcium sources in the high-calcium old brine to achieve decalcification of the old brine; technological process is simple and cost is low; the technique can be implemented directly in resource locations, circular brine mixing of high-concentration magnesium chloride brine after decalcification of the high-calcium old brine can be achieved, gypsum products can be produced, sodium sulfate minerals can be digested and local environment problems of the salt lake can be relieved.

The invention discloses a method and a system for water in-situ ecological repair of floating composite botanical zone. It contains: placing smoothly the nonwoven fabrics of two or more than two layers in the cultivation trough on the ground, with extension rib and tensile rope as cultivation carrier, sowing the botanical seeds which can absorb contaminant in the nonwoven fabrics layers, using formulation nutrient solution or other nutrient-containing wastewater or sewage to proceed soilless culture, the botanical boot passing by the cultivation carrier and forming a composite botanical belt with cultivation carrier, moving to the polluted water and the floating composite botanical zone absorbing the contaminant in water as the growing needed nutrient and growing, moving on the ground at harvest time or alternative time, cutting the stems, leaves and roots and reusing the cultivation carrier, continuing in-situ and ecological repair. The invention is mainly used for polluted water in-situ ecological repair and wastewater treatment.

A hook type peanut harvester comprises a machine frame. Walking wheels are arranged on the lower side of the rear portion of the machine frame. A traction suspension and a power speed regulation mechanism are arranged at the upper portion of the front end of the machine frame. A scraper knife low in the front and high in the back is arranged at the lower portion of the front end of the machine frame. A roller shutter conveying chain ladder low in the front and high in the back is arranged on the machine frame. Arc-shaped hook rods for hooking peanut seedlings are evenly arranged on the roller shutter conveying chain ladder and connected with the power speed regulation mechanism in a transmission mode. A set of seedling straightening rods arranged in the front and back direction are arranged between the edge of the front side of the roller shutter conveying chain ladder and the edge of the rear side of the scraper knife and are high in the front and low in the back. The hook type peanut harvester is reasonable in design, simple in structure and convenient to use; particularly due to the design of the roller shutter conveying chain ladder, it is ensured that peanut seedling fruits and soil are prevented from being accumulated in front of the harvester when the harvester works in a sandy land and a semi-sandy land, it is ensured that harvesting work is conducted smoothly, energy consumption is lowered, harvesting efficiency is improved, harvesting cost is saved, practicability is high, and application and popularization are easy.

The invention relates to a novel Chinese cabbage combine harvester. The harvester comprises a traction device and a rack installed on the traction device, a conveying mechanism, a guiding mechanism and a root cutting mechanism are installed on the rack, the conveying mechanism comprises a group of vertically arranged front-mounted belt conveyors and a rear-mounted belt conveyor, passages are reserved between the front-mounted belt conveyors, the root cutting mechanism is arranged on the lower portion of the passages and fixedly connected with the rack, the guiding mechanism fixedly connected with the rack is arranged on the lower portions of the front ends of the front-mounted belt conveyors, the traction device drives the guiding mechanism arranged on the rack to collect Chinese cabbages to the root cutting mechanism, the root cutting mechanism clamps roots by means of the front-mounted belt conveyors while cutting the roots, and the roots are conveyed to the rear-mounted belt conveyor to be threshed and harvested. The harvester has the advantages that the Chinese cabbages are harvested through integrated automatic equipment instead of manual work, the manpower is saved, the labor intensity is lowered, and meanwhile the Chinese cabbage harvesting efficiency is improved, the harvesting cost is lowered, and the wide application and popularization value is achieved.

The invention belongs to the technical field of agricultural planting, in particular to a method for planting corn. The method comprises seed selection, seed treatment, no-tillage seeding, fertilization, weeding, armyworm and corn borer control and mechanical harvesting. The method disclosed by the invention is high in seeding reliability and good in seed manure isolation effect; a finger-clamping seed-metering device is high in reliability; evaporation loss of soil water is low due to the no-tillage seeding, which is in favor of seedling emergence of seeds; a wide-narrow row planting form is capable of properly increasing density, increasing corn yield on a large scale, reducing production cost, and enhancing risk resistance capacity of corn planting; through detected, the produced corn is 10 to 12 percent higher than corn planted by a peasant household in the same region in protein content.

The invention provides a cultivation method of leeches in a drought environment, which is suitable for scale cultivation and has lower cost and high benefit. The method comprises the steps of placing leeches on different cultivation beds for cultivation in a drought environment according to different growth phases, differentially treating management areas at various growth phases and matching with fermented rotten feed. The invention can greatly increase the cultivation density, improve the yield, save the collection cost, improve the effective utilization rate of resource, be not limited by natural environment and really realize intensified and scale leech cultivation.

The invention relates to a bulrush mower which comprises a motor vehicle, a traveling mechanism and a cutting mechanism which are arranged at the lower part of the motor vehicle, a feeding mechanism arranged on the motor vehicle and a discharging mechanism at the rear part of the motor vehicle, wherein bulrush separators are arranged at the two sides of the front part of the motor vehicle, electric roller devices comprising motors, rollers and helical blades are arranged on the bulrush separators, wherein the motors are connected with the rollers through couplers, and the helical blades are arranged on the bodies of the rollers; two groups of electric roller devices are provided, which are respectively arranged on the bulrush separators at the two sides, and form inclined angles with the guide bars at the bottoms of the bulrush separators toward the front end of a cab, and the spacing between the two groups of electric roller devices is narrow at the top and wide at the bottom; the feeding mechanism comprises a bottom feeding device and a top clamping and lifting delivery device, which are driven by a hydraulic delivery motor to run synchronously. The bulrush mower has the advantages that the bulrush mowing efficiency is improved, the labor intensity is reduced, the mowing cost is decreased, and the bulrush mower is also suitable for mowing other long-stalked crops.

The invention relates to a bionic whole plant continuous harvesting device and method of green vegetables. The bionic whole plant continuous harvesting device comprises a rack, a vegetable leaf collection device, a soil loosening device, a root cutting device, a clamping and overturning conveying device, a horizontal conveying device, a ground wheel device and a walking device. The vegetable leaf collection device is used for collecting vegetable leaves of the green vegetables in a harvesting region; the soil loosening device is used for loosening soil at green vegetable root systems fixed by a horizontal part of the clamping and overturning conveying device; the clamping and overturning conveying device is used for clamping and pulling the collected vegetable leaves and overturning the vegetable leaves into a horizontal state; the root cutting device is used for cutting off green vegetable roots; the horizontal conveying device is used for conveying the harvested green vegetables; the ground wheel device is used for supporting the front part of the harvesting device and dynamically adjusting the ground clearance of the collecting device. According to the bionic whole plant continuous harvesting device and method, vibration and soil loosening of normal stem leaf positions and the root systems of the green vegetables, and whole plant continuous harvesting of completely pulled plants can be realized; the harvesting cost is low and the efficiency is high; the effective yield of the green vegetables is improved, and the purchasing habit is met; the shelf life is longer.

The invention relates to the field of agricultural machinery, and discloses a carried-on-back lightweight combine harvester, which mainly comprises a power source output shaft of an engine and a threshing roller. A threshing storage bunker is arranged at the lower end of the threshing roller. A back plate, a back cushion and back straps are arranged outside the roller wall of the threshing roller and a shell of the threshing storage bunker. The carried-on-back lightweight combine harvester is characterized in that: one end of the threshing roller is connected with a conveyance device; the conveyance device is directly connected with a corn snapping device, or is selectively provided with a spiral auger device and then connected to the corn snapping device; a main sickle is arranged at the front end of the corn snapping device, or a secondary sickle can be selectively connected to the front end of the corn snapping device; and nearside dividers are arranged on the roller shell at the two ends of the corn snapping device respectively. Compared with the prior art, the carried-on-back lightweight combine harvester has the advantages and aims of simplifying a conventional complex drive system by an optimal combination, making simple the structure and greatly reducing the dead weight.