1013results about How to "Improve land utilization" patented technology

A system architecture for large concentrated solar power applications that increases heliostat utilization efficiency and land utilization efficiency is described. Embodiments of the invention include a large heliostat field in which are distributed a number of receiving locations, and wherein there is the assignment of heliostats to receiving locations is dynamic. Embodiments of the invention include dynamically targeting heliostats to receiving locations wherein the target determination process is performed frequently during operation and wherein such dynamic targeting can be utilized to various ends. Embodiments of the invention include configurations wherein cosine losses associated with heliostat pointing are significantly reduced, wherein heliostats may be closely packed without incurring substantial shadowing and blocking losses thereby significantly increasing land utilization, and wherein other benefits are realized.

The invention provides a high-yield cultivation method for sugarcanes. The high-yield cultivation method includes directly applying raw materials of green manure into newly excavated sugarcane furrows; allowing the raw materials of the green manure to ferment under film covering closed conditions for 15-25 days; lifting each mulching film to a side of the corresponding sugarcane furrow after the raw materials ferment and become thoroughly decomposed; adding compound fertilizers into the sugarcane furrows; covering soil on the compound fertilizers; planting sugarcane seedlings. The raw materials of the green manure comprise, by weight, 300-500 parts of broken sugarcane leaves, 300-500 parts of silt from fish ponds, 200-300 parts of farmyard manure, 200-300 parts of bran hulls, 100-200 parts of sweet potato residues, 50-100 parts of yeasts and 20-50 parts of lactic acid bacteria. Sugarcane buds are soaked in mixed solution for 18-24h to obtain the sugarcane seedlings, and the mixed solution comprises 6-24 parts of quicklime, 1-1.5 parts of gibberellin missible oil and 800-1200 parts of water. The high-yield cultivation method for the sugarcanes has the advantages of high bud ratio, low fertilizer and pesticide consumption in planting procedures and capabilities of obviously increasing the yield of the sugarcanes and obviously improving the quality of the sugarcanes.

The invention relates to a wind collecting vertical type wind power generating system which comprises a wind power system, a vertical type speed increaser, a vertical type generator and an excitation grid-connected control system, wherein the wind power system is connected with the speed increaser and the generator by a chain coupling; the generator is controlled by the excitation grid-connected control system; the wind power system is in a box frame structure and comprises a fan blade system and a wind collecting and protecting system; the upper end and the lower end of a box frame are respectively provided with an upper shed top and a lower shed plate; the wind collecting and protecting system comprises a plurality of wind collecting plates which are distributed at four sides of the box frame and hydraulic drive equipment; the upper shed top, the lower shed plate and the wind collecting plates are connected to form a wind tunnel box type wind collecting body; the generator works in a multi-winding pole-changing control way; and the generator and the speed increaser are installed on the ground. The invention has the advantages of small size, low installation, maintenance and transportation cost, high wind power utilization ratio and wind field land utilization ratio, stable performance, high storm wind resistance and favorable power generating quality and grid-connected performance, can form a high-power wind power generator unit system and is suitable for various weather and geographic environments.

The invention discloses a relay-intercropping cultivation method of polygonatum sibiricum. The relay-intercropping cultivation method is characterized in that an uncaria relay-intercropping mode is adopted and imitated wild plantation is performed at borderlands of mountain forests. The cultivation method comprises following steps of: firstly, selecting moisture and completely-shaded land parcels; secondly, performing fixed planting operation on uncaria seedlings in accordance with 1.0m*1.5m distance between plants; thirdly, making a compartment surface, 50cm wide and 30cm high, between lines of uncarias; fourthly, planting two rows of polygonatum sibiricum on compartment surfaces in the shapes of regular triangles or inverted triangles; fifthly, managing uncaria and polygonatum sibiricum daily and preventing and controlling plant diseases and insect pests; and lastly, timely harvesting and processing polygonatum sibiricum.The relay-intercropping cultivation method of polygonatum sibiricum has following beneficial effects: a shed may not be required for shading since a growth condition is provided for imitated wild growth of polygonatum sibiricum, thereby solving the problem that manually-planted medicinal materials have poor quality; and high yield of polygonatum sibiricum is realized while an additional amount of uncaria is harvested such that land resources are fully utilized and comprehensive income is increased.

The invention discloses a planting method of an ecological pear. The ecological pear without pesticide residue is planted by adopting a grass culturing and intercropping mode, adopting an organic fertilizer as a main fertilizer, and using physical and trapping ways to kill insects. According to the planting method, the problems that an existing pear tree planting method is low in the land use rate, high in pesticide residue and low in fruit quality can be overcome; furthermore, the planting method is free from pesticide residue and high in fruit quality, and the land can be effectively used.

The invention relates to a circuit-type fishpond breeding system integrating a circulating water treatment process. The circuit-type fishpond breeding system integrating the circulating water treatment process comprises a fishpond shaped like an annular runway, and sewage treatment systems arranged in an inner ring of the fishpond. Each sewage treatment system comprises a vertical flow type solid-liquid separator (1), wherein a sewage discharging groove (5) perpendicular to the water flow direction is formed in the bottom of the fishpond and communicated with an inlet of the vertical flow type solid-liquid separator (1), an outlet of the vertical flow type solid-liquid separator (1) is communicated with a micro-filtration machine (2), outlet water of the micro-filtration machine (2) adopts a water pump (3) and a water lifting pipe (4) for water lifting and is injected into a biological filter (6), the biological filter (6) is separated from an aeration oxygenation pond (8) through a separation plate and is communicated with the aeration oxygenation pond (8) through a through hole in the lower portion of the separation plate, a water falling pipe (7) is arranged on the lateral wall of the aeration oxygenation pond (8) and communicated with the fishpond, and the water outlet direction at the bottom of the water falling pipe (7) is the same as the water flow direction of the fishpond. The number of the sewage treatment systems is two, and the sewage treatment systems are evenly distributed in the inner ring of the annular fishpond in a central symmetry mode.

The invention provides a phase-change energy-storage solar greenhouse architectural structure system which can heat a phase-change energy-storage material by virtue of solar energy in the day and allow the phase-change energy-storage material to release heat at night; and the structure system meets the need of agricultural products in winter and the need of people in a working condition. The phase-change energy-storage solar greenhouse architectural structure system comprises a foundation pier, a frozen-insolating laminated plate, a slope crest truss, upright frames at two sides and a rear upright frame or a phase-change energy-storage rear upright plate and / or a phase-change energy-storage rear wallboard and a phase-change energy-storage side wallboard and a self-waterproofing phase-change energy-storage rear top plate, an external-layer fixed top membrane and an internal-layer retractable insulation membrane. In the invention, the structure system is assembled into a phase-change energy-storage solar greenhouse at a construction site.

The invention relates to a filed track, comprising primary tracks and auxiliary tracks, wherein, the primary tracks are a plurality of longitudinal tracks which are arranged in parallel at the filed with equal row space, the auxiliary tracks are a plurality of tracks which are arranged at the two ends of the filed in parallel, and the end face distances of the auxiliary tracks and the primary tracks are constant; shifters are arranged at the auxiliary tracks, the bottom of each shifter is provided with shifting wheels capable of traveling on the auxiliary tracks, and the upper part of each shifter is provided with a transitional track which is in butted joint with the primary tracks; the height of the transitional tracks is equal to the height of the primary tracks, and the structure of the transitional tracks is the same as the structure of the primary structure. The invention also provides a production operation mainframe capable of operating on the field tracks and a water spray type watering machine. A bracket type agricultural manufacturing machine mainframe is formed by arranging various functional machines at the production operation mainframe scientifically and reasonably. The water machine has even and dense water amount, thereby avoiding the defects that the growth of crops is affected by decreased temperature of the ground, and fertilizer leaks and is lost with the water and can not be absorbed by crops due to broad irrigation.

The invention relates to a high-efficiency cultivation method for interplanting a new konjac species Amorphophallus xiei H.Li with young rubber. Including rational site selection, site preparation, seed selection, soil and taro disinfection, sowing, reasonable close planting, water management, basal fertilizer, topdressing at seedling stage, application of tuber expansion fertilizer, weeding, integrated pest control, timely harvesting and safe storage of seed taro and other technical measures. Through the interplanting of Xie Jun Amorphophallus konjac and young rubber, the land resources under the rubber forest can be effectively used to increase the income of non-rubber production, so as to solve the problem of economic sources before the rubber is planted for 1-7 years before it is harvested, and realize the growth of the long with the short. Promote the adjustment of the agricultural industry structure, cultivate new economic growth points for the oak area, and open up a new way to promote the sustainable development of the forest area.

The invention discloses a method for realizing industrialization cultivation of lucid ganoderma, comprising mother culture, stock culture, cultivation bag manufacturing, inoculating, spawn running management, lucid ganoderma emergence management and harvesting. The method has the characteristics that the biological efficiency, sporocarp commodity rate and land use ratio are obviously improved and time and labour are saved.

The invention discloses a steel slag grinding production technology and system. In the production technology, steel slag of which the moisture is less than or equal to 5% and the granularity is less than 80mm is sent into a column grinder to be grinded to obtain fine powder which contains more than 90% of powder of which the granularity is less than 5mm; the fine powder is screened by a vibrating screen; the screened steel slag fine powder is sent into a strong magnetic separation machine by a belt conveyor to remove iron to ensure that the iron content in the steel slag fine powder is below 2%; and the steel slag fine powder subjected to iron removal is sent into a slag vertical mill to be dried and grinded to obtain a steel slag product of which the specific surface area is 4200-4500cm<2> / g. The production system mainly comprises a charging cabin, a column grinder, a vibrating screen, a belt conveyor, a strong magnetic separation machine and a slag vertical mill. The steel slag grinding production system has the advantages of big yield, high grinding efficiency, low use cost and operation cost and obvious power saving effect, and the economic benefit is improved.

The invention relates to a construction method for cast-in-cast hollow floors, which can effectively solve the problems that the GRC prefabricated thin-wall pipes in the construction are easy to upward float due to the light weights, the waterproof strength is reduced, and the concrete at the bottom of the thin-wall pipes is easy to get loosened. The invention adopts the technical proposal that: a formwork of the floor is raised; steel bars of an exterior frame beam are bundled; reserving and pre-burying lines of position for the installation of an internal frame beam and a hidden beam, lines of position for the reinforced net and the lower rows of steel bars of floorslabs, and controlling sidelines for hollow pipes are marked on the formwork; the internal frame beam, the hidden beam, the lower rows of steel bars of the floorslabs are bundled; reinforcements are arranged at the lower part of the thin-wall pipes; inserted and buried pipes are installed; holes are drilled on the wood formworks between two pipes; the thin-wall pipes are installed; the anti-floating steel bars on the top of the thin-wall pipes are placed, the anti-floating steel bars on the thin-wall pipes are then bundled; iron wires are firstly fixed with the support reinforcement of the formwork, and the anti-floating steel bars are tightly screwed, then an upper layer of steel bars is bundled to be fixed with the reinforced net; bamboo plywood and pumped pipes are respectively laid and installed; the concrete is cast and maintenance for the concrete is then carried out. The construction method for cast-in-cast hollow floor has the advantages of reducing engineering cost and having great economic and social benefits.

The invention discloses a spring wheat planting method by trickle irrigation spring wheat, which mainly contains the steps of flattening soil, sowing, laying pipes and managing in a prophase, a metaphase and an anaphase in the yield. Compared with a conventional technology for planting general spring wheat, the method for planting the wheat can save water, land, fertilizer, power, mechanical force and seeds, achieve good effect of favorable irrigation and fertilization and even growth of wheat grass.

The invention particularly relates to a method and a system for transporting and loading bulk materials in a storage yard, which are suitable for bulk material accurate loading of railways, public roads and ships. The invention comprises a storage yard transporting system, a belt transport system and an accurate and rapid quantitative loading system. The invention provides an economical and effective transporting and loading system for bulk materials in a storage yard, which has the following advantages: 1) the storage yard transport system combing a disc vibrating feeder with a low clearance flow control gate is adopted, thus greatly lowering the upper height of an underground tunnel and improving the capability of transporting the materials in the storage yard; 2) the accurate and rapid quantitative loading system is adopted, thus having the characteristics of rapid loading speed, high loading precision and high automation degree; and 3) a four-roller belt weigher is adopted, thus realizing the linkage of the storage yard transport system, the belt transport system and the accurate and rapid quantitative loading system effectively and greatly improving the operation efficiency of the system.

The invention relates to a method for ecologically interplanting sarcandra glabra under a phyllostachys edulis forest. The method comprises the steps of: (1) tissue culture and seedling raising: sarcandra glabra blades are selected as explants to conduct adventitious bud induction, an adventitious bud induction culture medium uses an MS (Murashige and Skoog) culture medium as a basic culture medium and additionally comprises 2.0 to 4.0mg / L of TDZ (thidiazuron), 0.1 to 0.2mg / L of NAA (naphthyl acetic acid), 100 to 150g / L of banana puree and 0.5 to 1.0g / L of activated carbon, and then adventitious buds are subjected to enrichment culture and rooting culture; (2) seedling hardening: bottom seedlings are conveyed to under the phyllostachys edulis forest to be hardened; (3) transplantation: tissue culture seedlings are transplanted to a north slope bamboo forest with a number of living stems (NLS) of phyllostachys edulis of 150 to 400 plants / mu or a south slope bamboo forest with an NLS of 200 to 400 plants / mu; (4) forest management: the second intertillage is conducted in June and September every year; and (5) harvest: the sarcandra glabra is harvested in November to December every year. By adopting the method, the culture period of the sarcandra glabra can be shortened and the yield of the sarcandra glabra can be increased.

The invention discloses a greenhouse cultivation and management method of high-yield watermelons growing with multiple crops in one year. The method is characterized in that the greenhouse technology is improved; the planting distance ratio is made to be reasonable; the continuous fruit setting technology is adopted, vegetative growth and reproductive growth are adjusted, watermelon fruit setting and watermelon seedling growth are controlled, the fruit setting number and the weight of a single watermelon are increased, and the yield per plant is guaranteed; nutrient and water management is conducted, wherein base fertilizer is applied to the whole layer, organic fertilizer and inorganic fertilizer are combined, nitrogen fertilizer, phosphorus fertilizer, potassium fertilizer, calcium fertilizer and magnesium fertilizer are in coordination, topdressing is conducted after watermelons are harvested, the amount of fertilizer is determined according to the yield, drop irrigation is conducted with a small amount of water, and water and fertilizer are combined. Compared with the prior art, the cultivation and management method has the advantages that high yield and high efficiency are achieved, under the condition that watermelons can be produced and supplied all year around, two times to three times of seedling culture, two times to three times of field plantation, seedling management, field operation and other operations can be omitted, and seedling planting cost, labor cost and the like are lowered.

A horizontal automatic cycle tooling plate vertical conveyor comprises two groups of single chain tooling plate lifting conveying sections, two groups of fireproofing devices, two groups of double chain tooling plate lifting conveying sections, a lift car, a lift car guide wheel assembly, a machine frame, a bottom driven sprocket, a bottom anti-collision device, two groups of vertical conveying drive chains, lift car guide rails, a top anti-collision device, a top drive sprocket, a main drive motor, a double chain tooling plate lifting conveying section in the lift car, a photoelectric detection group and a tooling plate group. The horizontal automatic cycle tooling plate vertical conveyor improves the warehouse fireproofing safety and reduces the fire damage to devices and goods effectively; can achieve automatic goods conveying and automatic management of the conveying process; omits a carrying device in the goods conveying process to reduce conveying cost; reduces labors in the conveying process; improves the efficiency and the safety, and reduces the damage to goods; has a compact structure, occupies small areas, and improves the land utilization rate; and achieves vertical conveying of a variety of goods, and solves the problem of three-dimensional storing of certain goods.

The invention relates to the technical field of aquaculture, and discloses an internal circulation fishpond and a circulating water treatment process. According to the internal circulation fishpond and the circulating water treatment process, an air striping device, a physical filtration device and a biological filtration device are arranged in vacant regions, such as corners of the fishponds; multiple functions, such as plug flow, oxygenation, degassing, solid filtration and biological filtration, are integrated in the design of the fishpond; through arranging an air stripping pump, a moving bed biofilter and a vertical flow precipitator and the like, the water treatment function of the fishpond is perfected and enhanced, and the fishpond has the functions of oxygenation, degassing, physical filtration and biological filtration; the circulating speed of a water body is reduced while the solid utilization rate is improved; through reducing the treatment load amount of a water treatment system, the circulating speed of the water body and the operating energy consumption of a circulating water pump are reduced.

The invention belongs to the technical field of plant cultivation and seedling culture, and discloses a strawberry layering seedling culture device, which comprises seedling culture shelves, a parent seedling cultivation groove which is respectively arranged on the top end of each seedling culture shelf and seedling cultivation grooves which are respectively arranged at two sides of the seedling shelf and are arranged below the parent seedling cultivation groove; and the parent seedling cultivation groove and the seedling cultivation grooves are respectively connected with a water-fertilizer supplying system. The strawberry layering seedling culture device has a simple structure and is convenient to install. A corresponding seedling culture method is simple to operate, and the labor intensity is low; the parent seedling cultivation groove and the seedling cultivation grooves are away from the ground and are layered in a three-dimensional way, so the land utilization rate is high, the influence of soil-born insects and the soil environment can be avoided, the environment controllability is strong, convenience in production and operation can be realized, and the application prospect is wide; and in the seedling culture method, fertilizer application and water supply for the parent seedling and the seedling can be realized in a drip irrigation way, so the utilization efficiency of the water and the fertilizer for culturing the seedling can be improved, and in addition, regular and quantitative water and fertilizer supply can promote the growth of the parent seedling and the seedling, the seedling is strong and even, the breeding coefficient is high, and the modernized and industrialized seedling production can be realized.

The invention relates to an ecological breeding method for rice-shrimp co-culture and belongs to the technical field of crops and aquaculture. The ecological breeding method achieves rice-shrimp co-culture through construction, shrimp putting, adult shrimp catching and rice planting in a co-culture ecological farm zone, does not change the usage properties of land, does not adopt drugs, does not destroy the usage situation of the land, does not pollute a water body or discharge gas and substances, and thus has no adverse effect on the natural environment. In addition, the land utilization rate is improved and a very important demonstration effect is also played on virtuous ecological circle through co-culture. The method needs perfection of a national food security guarantee system and establishment of an agricultural sustainable development long-term mechanism and has the positive significance on deepening of rural land institution reform, establishment of a novel agriculture management system and guarantee of food security.

The invention provides a method for planting konjak by corner land. According to the method, the konjak planting is carried out in corner land around houses, besides the forest, the land and the channel, at two sides of the road and in other places, so the konjak grows in the original ecology imitated environment, and the goals of reducing the disease occurrence and improving the konjak yield and the benefits are reached. The method comprises the following planting steps that (1) seeds are selected; (2) the seed konjak and the soil of the corner land are sterilized, and five-ingredient sterilization powder is adopted for the oil of the corner land; (3) ridges are formed on the corner land; (4) seeding and fertilization are carried out: a fertilization method with seeds at the lower side and fertilizers at the upper side is adopted; (5) weeding is carried out: after the konjak seeding, straws or corn stalks or chaffs or leaves are used for carrying out compartment surface coverage, or chemical weeding is adopted; (6) harvesting is carried out; and (7) the seeds are stored. The method has the advantages that the soil utilization of the existing corner land is improved, the konjak planting method and the konjak planting mode are innovated, the expansion space is widened, and the area of the planting base is increased.

The invention discloses various plant cultivation methods for getting rid of the constraint of natural conditions as much as possible and utilizing the industrial technology. Plants are cultivated in cultivation modules; and the various cultivation methods are formed by combining the characteristics of no leakage, full and tight covering, medium layering, enhanced mobility and the like, and the reference basis for the capacities and the shapes of the cultivation modules is defined. The invention further discloses the various cultivation modules used for the methods, and the various cultivation modules are formed by combining the characteristics that a main part does not leak, a covering part can be fully and tightly covered, the growth of the plants to the outside of the cultivation modules can not be limited, no obvious adverse effect on root system growth is generated, the cultivation measures aiming at a wrapping part are conveniently implement, a breathable material structure, a device for preventing water accumulation and the like are adopted. The invention further discloses three commercial uses of the plant cultivation methods and the cultivation modules: determining a production and sales supervising mode, carrying out fresh-keeping or rooting cultivation and producing plant cultivation goods easy to treat.

The invention discloses an active-passive cooperative heat storage wall heating system of a solar greenhouse, and belongs to the technical field of agricultural facilities. The active-passive cooperative heat storage wall heating system mainly comprises a phase-change heat storage wall, a concentration-type solar air heat collector system, an active heat storage heating system body and an equipment control unit. The phase-change heat storage wall is composed of a cement mortar layer, a phase-change heat storage layer, a bearing building block layer and a thermal insulation layer from the indoor side to the outdoor side, wherein the phase-change heat storage layer is formed by pouring phase-change materials packaged through steel drums, heat storage coil pipes, gravel and cement. The solar air heat collector system is formed by connecting multiple groups of condensation-type solar air heat collectors in series, and a sunshade device used in summer is arranged above the heat collectors. The active heat storage heating system body is composed of a heat collector, thermal insulation pipes, a heat storage coil pipe, a frequency conversion fan, air openings and air valves. The equipment control unit is composed of a controller, a temperature sensor and electric adjusting air valves. According to the active-passive cooperative heat storage wall heating system, active and passive heat collection, heat storage and heat supply of the wall of the solar greenhouse are combined, therefore, the heat storage and thermal insulation performance of the wall of the solar greenhouse can be obviously enhanced, the solar energy utilization rate of the greenhouse can be obviously increased, and the adjusting capacity of the heat storage wall of the solar greenhouse to the heat environment in the greenhouse is improved.

The present invention discloses a method used for raising the seedling of oil teas in a grafting container, aiming at overcoming the defects of traditional grafting methods. By adopting the method of Grafting and raising seedlings, not only the survival rate of the forestation, the land use rate and the economic benefits are enhanced, but also the lands, labors and resources are saved, especially the blooming and fruiting are reached ahead of time. The method comprises seed collecting, storing and shooting, and scion selecting, grafting, as well as seedlings raising in containers, buds managing and forestation. Seedlings raising in containers is to put soils in the container, and then move the grafted scions into the container; wherein, the container is a small container with a diameter of 6 to 8 cm and a depth of 8 to 10 cm, which can be replaced by a seedlings raising dish, each dish consists of 30 to 36 small container models with diameters of 6-8 cm and depths of 8 to 10 cm. In order to be adaptive to raise seedlings in factories and convenient for moving and operating, each dish can not consist of more than 36 seedlings raising dishes (namely not exceeding 36 small containers).

The invention relates to the technical field of grape production, in particular to novel technology for twice production of grapes in one year. The technology comprises production period normal management, normal technological management of a sunny greenhouse, normal technological management of a sunny greenhouse, nutritive water management and comprehensive control of diseases and insects, fruiting of winter buds of annual-growth grape plants, twice planting of annual-growth grape plants in one year and twice production of fresh grapes in one year. The production steps comprise: selecting a good-quality grape variety, planting annual-growth grape seedlings in a soil accommodating container, placing the container in a corrugation, performing the production period normal management, trimming before protection against cold, disc-fixing grape braches, covering the grape braches by sand, taking the container out, transferring the container to a temperature regulation room, controlling the temperature and the moisture of the temperature regulation room, performing the before-planting temperature rise twice in one year, taking out the container, placing the container in the corrugation, performing the normal management, and simultaneously placing an ozone generator to control the growth of braches, leaves, flowers and fruits. By adopting new technology, the grape yield is improved by three times, the utilization rate of land is doubled, the profit is raised by three times and the labor efficiency is improved.

The invention discloses a natural cooling cold water device and liquid cooling device combined server cooling system which comprises a liquid cooling server cabinet. The liquid cooling server cabinet comprises a cabinet body and multiple liquid cooling servers arranged in the cabinet body, is provided with liquid cooling devices for direct liquid cooling and heat dissipation of the liquid cooling servers and is further provided with a natural cooling cold water device for auxiliary heat dissipation. The natural cooling cold water device and liquid cooling device combined server cooling system is capable of performing high-density refrigeration, high in heat exchange efficiency, low in energy consumption, capable of solving local hot points, small in occupied area, high in reliability, small in noise and long in service life.

The invention provides a method for transplanting and interplanting seedlings of asparagus, namely interplanting asparagus and cassia trees. The cassia trees are planted according to a planting distance of 200cm, the seedlings of asparagus are transplanted 75cm away from the cassia trees, the planting distance of asparagus is 50cm, and two rows of asparagus are interplanted between every two rows of the cassia trees. The method has the advantages that asparagus is planted in spare lands among the cassia trees, so the land utilization rate is improved, and the field management cost is lowered; and simultaneously, the cassia trees can overshadow the asparagus, so the survival rate of transplanting the asparagus is improved, and the single plant yield and quality of the asparagus are improved.

The present invention relates to an underground pipe alkali removal technology, which is characterized that an alkali removal pipe with filtration holes are paved 0.5-5 meters underground with an interval of 10-1000 meters. Through paving the alkali removal pipe one time, the present invention can be used for a plurality of years, present invention underground water with alkali enters into the alkali removal pipe and gets removed through the leakage function, and the alkali removal effect is very good. Land above the alkali removal pipe can be used for plantation, which saves land occupied by an alkali removal channel, and the land utilization rate and economic benefits of land are increased, and the production cost is lowered.

The invention discloses a high yield culturing technique for early spring summer radish 'Number one NanKe' in a small plastic house, which comprises the following steps of: land selection, cultivation and management, disease prevention and control and the like. By using a series of ordered management techniques, the summer radish 'Number one NanKe' is promoted to be available in the market early, off-season production of the summer radish is realized, and the technique is easy to master; meanwhile, multiple cultivation modes which are matched with other crops can be selected, so that land utilization rate and output rate are increased, and innovation of the cultivation modes is realized; and the technique brings high profit along with short time, small investment and more benefit, and effectively increases the economic benefit of vegetable growers.