93results about How to "No reduction in production" patented technology

The invention relates to a method for irrigating rice, which is a comprehensive technology for the water and fertilizer regulation of a rice field wetland system in rainy areas in the southern of China. Based on the agricultural irrigation and rainfall coordination idea, field water and fertilizer conversion and utilization are used as a system to be considered, rice is subjected to appropriate drought stress before irrigation under the condition that the yield of crops is not reduced, the rice is subjected to appropriate waterlogging stress when suffering from large rainfall, and the droughtstress and the waterlogging stress alternately happen, thus, the water and fertilizer contents of a rice field are scientifically adjusted, multiple arms of ensuring that the yield of regional rice is not reduced, increasing the utilization ratio of rainwater, reducing the water consumption for irrigation, reducing flood disasters, reducing water lifting energy consumption of a pump station, increasing the utilization efficiency of fertilizer and improving the regional water environment are achieved; and the comprehensive benefit of the rice field wetland system is exerted to the maximum extent.

The present invention provides a nucleic acid sequence comprising one or more selected from the group consisting of sequences SEQ ID NO: 1-7 and complementary sequences thereof, said nucleic acid sequence being derived from a plant, seed or cell comprising the corn event LP007-2, a representative sample of the seed comprising said event having been preserved with preservation number CCTCC NO: P202015. The transgenic maize event LP007-2 of the invention is resistant to ingestion impairment of lepidoptera pests and tolerant to phytotoxic effects of agricultural herbicides containing glyphosate. The corn plant with double traits has the following advantages: economic loss caused by lepidoptera pests is avoided; an agricultural herbicide containing glyphosate can be applied to corn crops; the corn yield is not reduced; and the breeding efficiency is enhanced, and the molecular marker can be used for tracking transgenic insertion fragments in a breeding population and a progeny thereof. Meanwhile, the detection method provided by the invention can be used for rapidly, accurately and stably identifying the existence of the plant material derived from the transgenic maize event LP007-2.

The present invention provides a nucleic acid sequence comprising one or more selected from the group consisting of sequences SEQ ID NO: 1-7 and complementary sequences thereof, said nucleic acid sequence being derived from a plant, seed or cell comprising the corn event LP007-1, a representative sample of the seed comprising said event having been preserved with preservation number CCTCC NO: P202014. The transgenic maize event LP007-1 of the invention is resistant to ingestion impairment of lepidoptera pests and tolerant to phytotoxic effects of agricultural herbicides containing glyphosate. The corn plant with double characters has the following advantages: economic loss caused by lepidoptera pests is avoided; an agricultural herbicide containing glyphosate can be applied to corn crops; the corn yield is not reduced; and the breeding efficiency is enhanced, and the molecular marker can be used for tracking transgenic insertion fragments in a breeding population and a progeny thereof. Meanwhile, the detection method provided by the invention can be used for rapidly, accurately and stably identifying the existence of the plant material derived from the transgenic maize event LP007-1.

The invention discloses a rice planting method for efficiently applying nitrogenous fertilizer in a quantity reducing mode. The rice planting method comprises the steps that nutrient soil or substrates mixed with slow release fertilizer are adopted to carry out plate rice seedling raising on rice; the rice is planted in wide rows and narrow rows in a densification mode; base fertilizer is deeply applied in the middles of the narrow rows of the rice; deep application and topdressing are carried out beside plants in the wide rows of the rice. The volatilization loss and runoff loss of the fertilizer are reduced through rice field deep fertilizer application and rice plant rhizosphere fertilizer application, the utilization rate of the fertilizer can be improved, under the conditions of keeping the yield of the rice not to be reduced, the applied nitrogenous fertilizer can be reduced by over 20 percent, the non-point source pollution of the nitrogenous fertilizer can be effectively controlled, and remarkable social, economic and ecological benefits are achieved.

The invention provides a plating knitting method capable of simultaneously and reliably supplying and switching face yarn and ground yarn without reducing productivity, and a special yarn composed of the face yarn and the ground yarn are not inverted. The knitting member is a knitting member used when a selectively operated finger (13) of a striper box (12) which at least switches three knitting yarns in a circular knitting machine, supplies yarn to a needle, and is composed of a yarn carrier (11) and a yarn separation member (16). The yarn carrier (11) is provided with at least two yarn guide slots (11P). The yarn separation member (16) separates the first yarn and guides to a first guide slot (11P) of the yarn guide slots, and separates the second yarn and guides to a second guide slot (11G) of the yarn guide slots.

The invention relates to a technology for high-efficiency anaerobic production of acetic acid by waste water, and particularly relates to a process for high-efficiency production of acetic acid with homoacetogenic bacteria-rich seed sludge through adjusting the reaction conditions and substrate concentration under anaerobic conditions. According to the process, anaerobic fermentation of waste water is carried out in a UASB reactor by using homoacetogenic bacteria-rich seed sludge, during which a trace element culture solution is added in the UASB reactor to keep the activity of microbes. The activities of methanogens are restrained and the activities of hydrogen-producing acetogens and homoacetogenic bacteria are improved through the adjustment of the initial pH value, the change of the waste water substrate concentration and the variation of the concentration of the seed sludge during the anaerobic fermentation of the sludge, thereby producing acetic acid with high efficiency instead of the low-added-value product methane and finally achieving the purpose of maximally utilizing waste resources.

The invention discloses a method for rapidly promoting the assimilation of nitrate in vegetables planted by the soilless culture technology. The supply of original cultural nutrient solution is stopped 2 to 5 days before the harvest of the vegetables, and molybdate treating solution is supplied; meanwhile, the illumination intensity reaches more than 120 mu mol.m<-2>.s<-1> through natural illumination and artificial supplementary illumination, and the 6 to 20 hours of illumination time in each day is ensured. Under certain light intensity assistance, the molybdate treating solution can stably, controllably and significantly reduce the content of nitrate in the vegetables; and compared with the processing methods in the prior art, the method has the advantages of short processing time, no pollution or yield reduction, capacity of comprehensively lowering the content of notrite in blades and petioles, saving the nutrient resource, and the like; therefore, the method can be widely used in the production of facility vegetables planed in soilless cultivation mode and vegetables in plant factories.

The invention discloses a method for reducing the content of cadmium in brown rice. The method includes the following steps that firstly, biomass charcoal and calcium magnesium phosphate fertilizer are evenly mixed according to the weight ratio of (4-12):1 and are evenly scattered on the surface of soil according to the total amount of 600-1000 kg/hm<2> 7-14 days before transplanting of rice seedlings, tillage is conducted, base fertilizer is applied three days later, and flooding is conducted until the rice seedlings are transplanted; secondly, the rice seedlings are transplanted, when the rice seedlings grow to the booting stage and the filling stage, and lime water is applied in the booting stage and the filling stage respectively, wherein the time interval between two times of lime water application is 15-20 days, the lime content in the lime water applied each time is 150-325 kg/hm<2>, and the mass concentration of the lime water is 8-15%. The method can effectively reduce the content of Cd in brown rice, can provide various nutrients for rice, and can also increase the yield of rice.

The invention relates to a tomato early-maturing and fruit-retaining training method. The method comprises the following steps of before a tomato strain blossoms, training to completely remove lateral buds, keeping the independent trunk and keeping apical dominance; strengthening water and fertilizer management on the tomato strain to promote healthy of the strain; after the tomato strain blossoms, performing flower-dipping treatment on the fruit of each spike flower to enable the first to fourth spike flowers to bear fruits; timely removing the fifth spike flower and the spike flowers behind the fifth spike flower; after reserving 4 to 5 leaves, pinching to promote growth of the fruits. In different specific periods during growth of tomatoes, the potato strain is respectively subjected to trunk culturing, lateral bud removal, fruit retaining during the front stage, flower removal and leaf reservation in the late period, pinching to promote growth of the fruits and the like, so that the tomato strain is kept healthy in the early period, the fruit bearing period is advanced, and the fruit bearing is improved; after fruit bearing, enough leaves are left to be subjected to photosynthesis, pinching is performed to promote fruit to be quickly expanded and matured, the tomato fruit maturing stage is obviously advanced, and the commercial value of the tomatoes is improved.

The invention belongs to the field of biological preparations and discloses a composite polysaccharide fertilizer synergist and a preparation method thereof. The synergist is prepared from, by weight, 0.1-1 part of xanthan gum, 0.1-1 part of Welan gum and 0.001-1 part of polyglutamic acid. The invention further discloses a preparation method and application of the fertilizer synergist. The synergist is natural and free of pollution, has the effect of regulating growth of crops, stimulates vitality of the crops, increases the absorption rate of the crops, improves nutrient absorption efficiency of the crops, increases the utilization rate of fertilizer, and improves the quality of the crops. Thus, the synergist is mixed with the fertilizer to be used, so the yield of food crops, leafy vegetables, melons, fruits and other crops can be effectively increased, and the quality can also be greatly improved.

The invention discloses a treatment method for planting a cut rose in the high-temperature environment, which comprises the steps: pruning a cut rose plant according to time requirements for regulation and control of flowering phase; when sprouts of the cut rose break through the soil, spraying gibberellic acid solution with mass concentration being 0.01% to 0.20% onto the cut rose plant; when twigs of the cut rose grow to 20-40cm, spraying table vinegar solution with mass concentration being 0.5% to 2% onto the cut rose plant. Through the treatment, the cut rose can normally grow in the high-temperature environment of 25-35 DEG C. The physiological habit of the cut rose is adjusted by gibberellic acid, so that a rose which accords with cut flower standards can be grown in the high-temperature environment.

The invention provides a nucleic acid sequence. The nucleic acid sequence comprises one or more of sequences SEQ ID NO: 1-7 and complementary sequences thereof, the nucleic acid sequence is derived from a plant, seed or cell comprising a Zea mays L. event LP007-5, and a representative sample of the seed comprising the event is preserved with the preservation number CCTCC NO: P202018. The transgenic Zea mays L. event LP007-5 is resistant to an ingestion impairment of a lepidoptera pest and tolerant to a phytotoxic effect of an agricultural herbicide containing glyphosate. A Zea mays L. plant with double characters has the following advantages that economic loss caused by the lepidoptera pest is avoided; the agricultural herbicide containing the glyphosate can be applied to a Zea mays L. crop; the Zea mays L. yield is not reduced; and the breeding efficiency is improved, and a molecular marker can be used for tracking a transgenic insertion fragment in a breeding population and a progeny thereof. Meanwhile, a detection method can be used for rapidly, accurately and stably identifying the existence of a plant material derived from the transgenic Zea mays L. event LP007-5.

The invention provides a shunting extraction process for separating a lithium isotope. The shunting extraction process mainly comprises an extraction enrichment section, a shunting enrichment section,an up-conversion phase section and a down-conversion phase section, wherein a liquid phase B in the extraction enrichment section is partially shunted into the shunting enrichment section, and contacts with the countercurrent of a liquid phase A in the shunting enrichment section; the liquid phase A enters the extraction enrichment section after flowing out. By adopting the special shunting return process, the yield of a final enrichment product is not lowered, and the size of most equipment in the extraction enrichment section is reduced, thereby effectively lowering the corresponding equipment cost and operating cost. The process provided by the invention also has the advantages of simple process, convenience in operation, environmental friendliness and the like, and efficient separation and enrichment of the lithium isotope can be realized.

The invention discloses a machine-harvested ratooning rice cost-saving high-quality cultivation method avoiding mechanical rolling. The machine-harvested ratooning rice cost-saving high-quality cultivation method avoiding mechanical rolling comprises the steps of variety selection; sowing: sowing around March 20 every year; transplanting: reserving a mechanical harvesting walkway for planting, reserving a row with the width of 60 cm as a mechanical walkway during transplanting according to the mechanical harvesting characteristics of first season rice, so that a crawler just walks on the walkway during harvesting of the first season rice by the harvester; fertilizer application; water management; mechanical harvesting: when the maturity of the first season rice reaches about 90%, harvesting by using a crawler-type grain combine harvester, and harvesting by using the same harvester after regeneration season rice is completely mature; and integrated pest control. The mechanical harvesting walkway planting is reserved, so that the rolling damage to rice stubs caused by mechanical harvesting of the first season rice is avoided, ventilation and light transmission conditions of groups are improved, marginal effects of the first season rice and the regeneration season rice are promoted to the greatest extent, the annual yield of the mechanically harvested regeneration rice is not reduced on the premise that the planting density is reduced by 33.3%, the seed consumption and labor input are greatly reduced, and the quality of the regeneration season rice is improved.

The invention discloses a mining system and a mining method for a high-dipping super-high seam shortwall working face. The mining system comprises a coal cutter, an operating floor for controlling the coal cutter, a coal seam data acquisition subsystem for acquiring coal seam roof change data according to the geological condition of the working face, and a main control computer. The mining method comprises the steps of acquiring reference trajectory data of a rocker arm in a primary circulation coal mining working process of the coal cutter by the operating floor; acquiring the coal seam roof change data according to the geological condition of the working face by the coal seam data acquisition subsystem; receiving the reference trajectory data and the coal seam roof change data by the main control computer, and calculating planned trajectory data of the rocker arm according to the reference trajectory data and the coal seam roof change data; receiving the planned trajectory data by the operating floor, and controlling the coal cutter to perform mining operation according to the planned trajectory data. The mining system and the mining method can automatically adapt to geological condition change, and are also suitable for the high-dipping super-high seam shortwall working face.

The present invention provides a nucleic acid sequence comprising one or more selected from the group consisting of sequences SEQ ID NO: 1-7 and complementary sequences thereof, the nucleic acid sequence is derived from a plant, seed or cell comprising the corn event LP007-3, and a representative sample of the seed comprising said event is preserved with preservation number CCTCC NO: P202016. The transgenic maize event LP007-3 of the invention is resistant to ingestion impairment of lepidoptera pests and tolerant to phytotoxic effects of agricultural herbicides containing glyphosate. The corn plant with double characters has the following advantages: economic loss caused by lepidoptera pests is avoided; an agricultural herbicide containing glyphosate can be applied to corn crops; the corn yield is not reduced; and the breeding efficiency is enhanced, and the molecular marker can be used for tracking transgenic insertion fragments in a breeding population and a progeny thereof. Meanwhile, the detection method provided by the invention can be used for rapidly, accurately and stably identifying the existence of the plant material derived from the transgenic maize event LP007-3.