34results about How to "Achieve high productivity and high efficiency" patented technology

The invention, which belongs to the technical field of the aquatic livestock culturing, particularly relates to a four-level culture method of a lateolabrax japonicus pond. First-level cultivation, second-level cultivation, third-level cultivation, and adult fish cultivation are carried out on lateolabrax japonicus in a pond successively. A third-level cultivation pond is encircled by a net and a pond base in a pond; a second-level cultivation pond is encircled by a net and a pond base in the third-level cultivation pond; and a first-level cultivation pond is encircled by a net and a pond base in the second-level cultivation pond. According to the invention, with optimization of the culturing technology in a graded culturing mode, ways containing the culturing means like ecological mixed breeding are improved; the seedlings can be domesticated to eat food in a centralized mode and thus seedlings with uniform sizes can be cultivated; the yield of the fries can be improved; the average acre yield of the lateolabrax japonicus can be increased; and the comprehensive benefits of the lateolabrax japonicus culturing can be improved.

The invention provides a high-dipping extremely-close-distance coal seam top coal caving mining method. According to the method, a transportation gateway is constructed along one side of a coal layer bottom plate and an air returning gateway is constructed on the other coal layer; the elevation of a bottom plate of the air returning gateway is 4-4.5m higher than that of a bottom plate of the transportation gateway; rectangular roadways are constructed between the two gateways at an interval of 10m and are used as connection roadways; hydraulic brackets are distributed on two coal layers along the thickness directions of the coal layers; each circulating unit advance of a worktable bracket is the same as the distance of the connection roadways; in a top coal caving process, top coal discharged by the coal layers of the transportation gateway and manually-mined falling coal in a manner of manually shoveling coal and filling into a scraper plate conveyor to be transported out; the top coal discharged by the coal layers of the air returning gateway is filled into enamel chutes of the connection roadways in a manner of manually shoveling the coal to flow into a bracket tail beam of the coal layers of the transportation gateway, and is put into the scraper plate conveyor to be transported out by manually shoveling the coal. The high-dipping extremely-close-distance coal seam top coal caving mining method has the advantages of being simple in arrangement of a working surface, strong in adaptability, good in ventilation, relatively good in safety degree, large in supporting space and high in production efficiency.

The invention provides a corn and alfalfa intercropped planting method. The method includes: sequentially and cyclically planting corn belts and alfalfa belts, wherein a corn planting row number of each corn belt is 2-6, an alfalfa planting row number of each alfalfa belt is 5-7, and the distance between each corn belt and the adjacent alfalfa belt is 20-40cm. The corn and alfalfa intercropped planting method has advantages that compared with a single corn planting method, the total yield of corn and alfalfa is increased by 2.1 times, and economic benefits are increased by 2.4 times; compared with a single alfalfa planting method, the total yield of corn and alfalfa is increased by 1.3 times, and economic benefits are increased by 1.1 times, so that high yield and high efficiency are realized; in addition, high ecological benefits are achieved, alfalfa which covers the earth surface all year round can realize wind prevention and sand fixation and improve the ecological environment, and accordingly wind-sand damages of deteriorated grassland can be reduced effectively.

The invention discloses a clover-corn-triticale ridge cropping Four-Harvest-Per year cultivation method, which comprises the following steps: 1. Plant the clover and the triticale; 2. Harvest the clover and the triticale; 3. Plant the summer corn; 4 harvest the summer corn; and then repeat step 1. By adjusting the plantation mode of the clover and the corn, the clover and the triticale is planted by intervals; at the spring of the next year, the clover and the triticale are harvested at the same time; after harvesting the clover at the first two times, plant the corn in the wide blank area so as to realize the four-harvest-per year of two times of clover, one season of triticale and one season of summer corn. In this way, high-yield and high efficiency are realized; the soil can be improved; and the soil improvement effect gets better and obvious along the years.

The invention provides an automatic seed covering seedling raising substrate plate for rice and a preparation method and application thereof, and belongs to the technical field of rice seedling raising. The automatic seed covering seedling raising substrate plate for the rice is based on the structure of a honeycomb, expanded rice husks, corn stalk, vermiculite, decomposed manure and turfy soil serve as the components, mold shaping and high temperature drying are conducted, and an initial type is obtained; each hole serves as an independent unit, and water expansion materials are used as barriers between the holes, the bottom and the periphery of a whole seedling tray are pasted and fixed with degradable paper, and according to the specification of the seedling tray applied by a rice transplanter, a rice dry raising machine is obtained for inserting an automatic seed covering seedling raising substrate plate. The automatic seed covering seedling raising substrate plate is applied for raising seedlings, not only is the seedling raising soil is replaced, but also a plastic seedling raising tray is replaced, the automatic seed covering seedling raising substrate plate can be directlyplaced for use, the process that covering is conducted again after sowing is omitted, the efficiency of rice seedling raising is improved, a substrate body suitable for cold region seedling root system growth is created, the stress resistance in the seedling growing process is enhanced, and strong seedlings are cultivated.

The invention provides a rabbit breeding device. Breeding cages are fixed oppositely on cage frames in a layered way; the upper parts of the breeding cages are provided with main water supply pipes and a movable hopper; the main water supply pipes are communicated with water feeding grooves formed in the breeding cages by branch water supply pipes; electromagnetic valves are arranged on the branch water supply pipes; a trough is formed between the cage frames on both sides; the trough is communicated with food feeding grooves formed in the breeding cages through material distribution pipes respectively; the lower parts of the breeding cages are provided with excrement and urea receiving sloping plates; the lower part of the lowermost layer excrement and urea receiving sloping plate is provided with a conveying belt; the inner or outer sides of the breeding cages for breeding weaning rabbits are provided with newborn rabbit reproduction holes. Due to the adoption of the rabbit breeding mechanical device provided by the invention, food feeding, water feeding, excrement removing and hole reproduction of newborn rabbits in intensive breeding of domestic rabbits can be realized, the labor force is reduced in a rabbit breeding process, an optimal breeding condition is ensured, and high yield and high efficiency are achieved. The rabbit breeding device is suitable to be applied as a mechanical device for breeding the domestic rabbits.

The invention discloses a rapid lossless measuring method for a cotton leaf area index. The rapid lossless measuring method includes calculating the leaf area index according to combination of cotton canopy transmission and blade scattering, and correcting the leaf area index by a correction model to acquire the corrected leaf area index. The correction model is LAI=0.84*LAIAccuPAR+0.0879, the LAI refers to the corrected leaf area index, and the LAIAccuPAR refers to the leaf area index acquired by calculation before correction. A conventional destructive direct measuring method is replaced by the indirect measuring method, the leaf area index acquired by calculation according to the combination of cotton canopy transmission and blade scattering is corrected by the correction model, and the real leaf area index of cotton groups in the field is figured out through back calculation. The method can be used for rapidly and effectively estimating a real value of the leaf area index of the cotton groups in the field without losses, estimating and judging the growth trend of the cotton groups and applying corresponding planting measures for field management.

The invention discloses a biodegradable water-permeable mulching film ridge back microgroove multi-row mechanical film-mulching and sowing method and aims to solve the problem of efficient utilizationof drizzle resource and nutrient by dry land in semiarid areas and the problem that full-biodegradable mulching films are too fast in breaking and disintegrating in the crop seedling period. The method includes: making a steel roller compacting and shaping module which is structurally characterized in that a cylindrical steel roller is mounted on a steel shaft in a sleeved manner, and steel ringsfor fixing the steel roller sleeve two sides of the steel roller; mounting a ditching disc at a position, corresponding to the middle of a sowing ground ridge back, of a front crossbeam of a rack ofa film-mulching sowing machine, connecting two ends of the steel shaft at positions, 150mm away from the rear end, of longitudinal beams on two sides of the rack of the film-mulching sowing machine through hanging plates in a hanging manner, and enabling the ditching disc and the steel roller to be on a same straight line; starting the film-mulching sowing machine to work, wherein the ditching disc forms a microgroove in the middle of each ridge back, the steel roller rolls along the microgroove in the middle of each ridge back to compact and shape to form a ridge back microgroove, the ridge back microgrooves and planting ditches form a wavy rain collection terrain, and then the machine automatically completes film mulching, earthing and punch dibbling processes.

The invention discloses a long season seedling cultivation method for selenium-rich melon. The melon cultivated by using the method is robust in growth, flourishing in root system, high in stress resistance and high in planting survival rate, the stress resistance of stock and scions is greatly improved through seed soaking germination, the survival rate of grafted seedlings is improved, the grafting difficulty of the melon is reduced, the human cost is reduced, the configured substrate is free of disease and rich in nutrients, the robust growth of stock and scions is guaranteed, melon seedlings cultivated through a selenium-rich fertilizer are robust in seedlings, uniform, developed in root system, high in water absorption and fertilizer absorption capacities, quick in seedling recoveringafter planting, unlikely for premature senility and high in selenium content, and long season cultivation is carried out so that high yield and high effect can be reached.

The invention relates to a method for supplementing carbon at the furnace bottom in a metal silicon smelting process. Waste carbon electrodes of electric furnace smelting and/or waste carbon bricks of electric furnace smelting are/is used as carbon supplementing raw materials, and after crushing and during the electric furnace smelting production, the addition time and the addition quality are determined according to the electrode current intensity and the furnace condition change. When one phase or two phases of the electrode current are lower than the normal control range being 70 to 80KA, the electrode current is firstly improved through the electrode voltage drop, and when the electrode current still cannot be improved after 8 hours, the addition of the waste carbon electrodes and/or the waste carbon bricks is needed for carbon supplementation. The problems that the carbon is lacked in a reaction for a long time, excessive silicon dioxide is generated, furnace slag is sticky and cannot be easily discharged, the furnace bottom temperature is low, a silicon outlet is not easy to open, a furnace hole is not smooth, and the furnace bottom is raised are solved.

The invention relates to the technical field of medicinal material cultivation and planting, in particular to a method for combining toad breeding and pinellia ternata and trichosanthes kirilowii Maxim. planting. The method comprises the steps that trichosanthes kirilowii Maxim. is planted, concrete columns are erected beside the trichosanthes kirilowii Maxim., and iron wires are oppositely pulled at the upper ends of the concrete columns to form a net; ridges are formed between lines of the trichosanthes kirilowii Maxim., pinellia ternata is planted on the ridges, and toads are bred under a trichosanthes kirilowii Maxim. frame. By reforming an ordinary single planting or breeding mode and by adopting a three-dimensional ecological system combining planting and breeding, the problems such as comprehensive utilization of soil, sunshine and water and fertilizer are solved, and the high yield and high efficiency on the land of the unit area is finally achieved; the planting density of the trichosanthes kirilowii Maxim. is the same as that of ordinary planting in a single field, the planting density of the pinellia ternata is 50% of that of ordinary planting in the field, the breeding density of the toads is the same as that of ordinary breeding in the field, and the land utilization rate is 2.5 times that of a single planting mode.

The invention discloses a novel fertilizer. The fertilizer comprises nitrogen, phosphorus pentoxide, potassium oxide, a zinc fertilizer, a boron fertilizer, a magnesium fertilizer, a calcium fertilizer and a water-retaining and soil-loosening agent, wherein the weight ratio of the nitrogen, the phosphorus pentoxide, the potassium oxide, the zinc fertilizer, the boron fertilizer, the magnesium fertilizer and the calcium fertilizer is (20-30):(5-12):(5-18):(0.2-0.4):(0.1-0.2):(0.1-0.2):(0.5-0.6); the weight of the water-retaining and soil-loosening agent is 1.5-2.5% of the total weight of the nitrogen, the phosphorus pentoxide and the potassium oxide. Compared with the prior art, the invention has the advantages as follows: a customized fertilizer can be produced according to different crops, different regions and different soil and in combination with the target yield; precision fertilization, environment friendliness and economy can be achieved; the purposes of high yield and high efficiency are achieved. The fertilizer provided by the invention is applicable to wheat, corn, sweet potato, millet, rice, cotton, peanut, rape, tobacco, melons, fruits, vegetables and the like.

The invention belongs to the technical field of agricultural planting, and particularly relates to a planting method for improving the growth and yield of corn. The planting method for improving the growth and yield of the corn is characterized in that straw full-amount deep tillage treatment operation is performed after wheat is harvested; the corn is sown after the operation is completed, and the full-amount deep tillage depth of straw is not smaller than 30 cm. By adopting the planting method for improving the growth and yield of the corn, the soil structure and permeability can be improved, corn root growth and water and fertilizer absorption and utilization are facilitated, high yield and high efficiency are achieved, and technical support is provided for large-area efficient green production of summer corn.

The invention relates to a germplasm resource capable of accelerating homozygosis of rice varieties and belongs to the technical field of rice genetic breeding. The resource comprises a gene type material H224 which can accelerate the homozygosis of the rice varieties. The material belongs to a partial japonica type conventional rice germplasm resource. The gene material is hybridized with the rice varieties with different plant types and different sub-species (nonglutinous rice and japonica rice); all combinations receive a single spike in F1 generation; a group with more than 100 plants is formed on each single spike in F2 generation; more than 98% of the homozygosis state is represented in 10% of a single spike group in each family; F3 generation has 20% of mono-system homozygosis and F4 generation has 30% of the mono-system homozygosis; and the homozygosis possibility is the lowest numerical value in all the combinations. With the adoption of the gene germplasm resource, the homozygosis speed of rice filial generations is accelerated, the breeding cycle is shortened and the breeding efficiency is improved; the production varieties are usually changed and new; and the occurring possibility of large-scale diseases is reduced, the safety of national grains is guaranteed and the high yield and high efficiency are further realized.