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209results about How to "Improve land utilization" patented technology

Circuit-type fishpond breeding system integrating circulating water treatment process

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.
Owner:FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI

Method for ecologically interplanting sarcandra glabra under phyllostachys edulis forest

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.
Owner:浙江慧普农业科技有限公司

Greenhouse cultivation and management method of high-yield watermelons growing with multiple crops in one year

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.
Owner:刘福久

Active-passive cooperative heat storage wall heating system of solar greenhouse

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.
Owner:LANZHOU JIAOTONG UNIV

Novel technology for twice production of grapes in one year

InactiveCN102197776AIncrease carbon dioxide levelsPromote growthCultivating equipmentsDiseaseBud
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.
Owner:鞍山绿泰佳葡萄主题公园有限公司

Reclamation method for rural residence lands on coastal saline land region

The invention discloses a reclamation method for rural residence lands on a coastal saline land region. The method includes the first step that building rubbish of the waste residence lands is cleared out; the second step that land leveling is performed on a reclamation area; the third step that water-salt control is performed, according to road planning, the treated reclamation area is divided into land blocks, new irrigation and drainage projects are constructed, and subsurface drainage pipes, water-collecting pipes and water-collecting wells are laid; the fourth step that biological improvement projects are constructed, organic fertilizer and planting green manure are applied to increase the content of organic materials and microorganisms in soil, improve the activity of the soil and complete soil reclamation of the residence lands. According to the method, the residence lands wasted in rural districts are reclaimed into cultivated lands, the utilization rate of the lands is improved, the agricultural acreage is increased, the technologies of land arrangement, water-salt control and biological improvement are organically integrated, and therefore the soil productivity of the residence land can be effectively recovered and farm land ecological environment can be improved. Thus, the reclamation method for the rural residence lands on the coastal saline land region is a practical technology method.
Owner:TIANJIN AGRICULTURE COLLEGE

Draining and salt-removing method for newly-ploughed salinized farmland

The invention discloses a draining and salt-removing method for a newly-ploughed salinized farmland, comprising the following steps of: making a simple farmland concealed pipe by utilizing a building PVC (Poly Vinyl Chloride) sewer pipe, uniformly drilling holes with the diameter of 3mm on the wall of a 100mm plastic sewer pipe by the punching rate of 75 percent, coating two to three layers of crude chemical fiber outside the wall of the pipe, and strapping with plastic ropes; digging several rows of concealed pipe ditches in the newly-ploughed salinized farmland, wherein the depth of the concealed pipe ditches is 1.5-2.0m, the bottom width is 30cm and the specification of the side slope is 1:0.5; paving plastic weaved cloth with the width of 40cm at the bottoms of the ditches, paving sand gravel with the thickness of 15cm on the plastic weaved cloth, paving a coated concealed pipe, paving and spreading sand gravel with the thickness of 15-20cm at the surrounding and the upper part of the concealed pipe, paving the plastic weaved cloth with the width of 40cm on the sand gravel and refilling. The invention mainly solves the technical problem of draining by the concealed pipe in the newly-ploughed salinized farmland in aired regions and has a wide application value on the aspects of prevention and control of salinization and secondary salinizaiton of farmland in the dried regions, reformation and utilization of the farmland in the dried regions as well as prevention and control of desertification.
Owner:INST OF SOIL & FERTILIZER XINJIANG ACAD OF AGRI SCI

Cultivating method for cannabis sativa L. for southern plain autumn sowing seed use

The invention belongs to the field of planting, and particularly provides a cultivating method for cannabis sativa L. for southern plain autumn sowing seed use. The cultivating method for the cannabis sativa L. for the southern plain autumn sowing seed use comprises the steps that firstly, ditching and soil plowing are conducted after land clearance; secondly, base fertilizer is applied; thirdly, the cannabis sativa L seeds are sowed in line between August and September, seedling cultivating matrixes are used for covering instead of soil and are covered by a sunshade net after the sowing; fourthly, water is complemented in time to maintain the moist of the soil in a seedling stage and vigorous growing periods; fifthly, thinning and final singling of seedlings are conducted in time to keep the cultivation density to be 5000-6000 strains/mu; sixthly, intertillage weeding combined with the final singling of the seedlings is conducted; seventhly, additional fertilizer is applied; eighthly, pest control and prevention are conducted; ninthly, proportion of female strains and male strains is adjusted to be 5-7:1 in early flowering stages of cannabis sativa L. male strains; tenthly, harvest is conducted in time. The cultivating method for the cannabis sativa L. for the southern plain autumn sowing seed use can enlarge cultivating area of the cannabis sativa L., shorten the planting period of the cannabis sativa L. and raise the cannabis sativa L. yield, and is particularly applicable to be popularized in planting in the southern plains.
Owner:广西壮族自治区农业科学院经济作物研究所

Double-layer barrier-free parking system based on vehicle frame mechanical arms and rotary vehicle plate

The invention provides a double-layer barrier-free parking system based on vehicle frame mechanical arms and a rotary vehicle plate. The double-layer barrier-free parking system comprises a vehicle frame, a mechanical arm system, a rotary vehicle plate system and a driving system. The vehicle frame adopts a truss structure and is provided with an upper parking space and a lower parking space. The upper parking space is provided with an upper parking plate. The mechanical arm system is a four-bar mechanism. The four mechanical arms which are hinged in sequence support the upper parking plate to complete lifting and descending motion of a given trace. The rotary vehicle plate system is arranged on the upper parking plate and composed of the rotary vehicle plate and a vehicle plate protecting mechanism. The rotary vehicle plate rotates around the center of the vehicle plate by a certain angle so as to assist in parking and picking-up, and thus rotary vehicle ascending and rotary vehicle descending are completed. The driving system provides power for the whole equipment. By the adoption of the double-layer barrier-free parking system, the stereo space can be effectively expanded, and based on the characteristics that dismounting and mounting are convenient, and the parking mode is novel, the space utilization rate is increased by times.
Owner:SHANGHAI JIAO TONG UNIV

Cultivation method based on rice and vegetable rotation

The invention provides a cultivation method based on rice and vegetable rotation. A first crop is rice, a second crop is early-maturing cauliflowers and a third crop is celeries, and one rice and vegetable rotation production cycle is completed through sequential planting of the rice, the early-maturing cauliflowers and the celeries. Specifically speaking, rice seedlings are raised in the midmonth of March, rice fields are turned over and then the rice seedlings are transplanted in the midmonth of April, and the rice is harvested from last ten-day of July to first ten-day of August; the rice fields are turned over, flattened and made into ridges in first ten-day and midmonth of August and then the cauliflowers are planted, and the cauliflowers are harvested from last ten-day of November to first ten-day of December; the celeries are planted from last ten-day of November to first ten-day of December, and after the celeries are harvested in first ten-day to midmonth of April, one rice and vegetable rotation production cycle is completed. According to the cultivation method based on rice and vegetable rotation, transitions of rice and vegetable rotation are combined closely, and the land utilization rate and the multiple crop index are improved; meanwhile, diseases and insect pests of the rice and the celeries are reduced; in addition, through the rice and vegetable rotation, especially through the manner that the celeries are directly planted after the early-maturing cauliflowers are harvested, frequencies of farmland ploughing and water and soil loss are reduced, labor intensity is reduced, and the purposes of increasing incomes, reducing expenses and promoting sustainable development are achieved.
Owner:FUJIAN AGRI & FORESTRY UNIV +3

Folding-flow artificial wetland system

The invention relates to an artificial wetland for purifying a water source, in particular to a folding-flow artificial wetland system. The system comprises a surface flow wetland, an underflow wetland and a water-resisting layer; the surface flow wetland and the underflow wetland are vertically arranged in a stacked manner; the water-resisting layer is between the surface flow wetland and the underflow wetland; the surface flow wetland and the underflow wetland are opposite in water source flow direction and connected through a water distribution channel; and the water distribution channel is provided with a water distribution tracery wall for distributing a water source treated by the surface flow wetland to the underflow wetland. According to the invention, on the premise of not increasing the area of the surface flow wetland of the original artificial wetland system, the folding-flow artificial wetland system has the effect of treating the underflow wetland, therefore, the purification efficiency of the wetland system on a sewage source is greatly increased in the occupation area, which is the same to that of the current artificial wetland system; the land utilization rate in water treatment occasions is increased, therefore, the folding-flow artificial wetland system disclosed by the invention solves the problems of being too-large in occupation area and low in land utilization rate in the current artificial wetland.
Owner:YELLOW RIVER ENG CONSULTING
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