209results about How to "Increase photosynthetic rate" patented technology

The invention discloses a method for improving growth and drought-resistant ability of wheat by using arbuscular mycorrhizal fungi to bring the reciprocal symbiosis relation between AM fungi and host plants under drought stress into play reasonably and efficiently. According to the method, the AM fungi having a close symbiotic relation with the wheat are selectively used, and the symbiotic relation between the AM fungi and the wheat is built in a condition control mode to promote the wheat growth and improve drought adaptability. The AM fungi comprise one of glomus monosporum and acaulospora laevis, the two kinds of AM fungi are respectively propagated in an expanding mode in an expanding propagation matrix by using red clovers, and then two AM fungi inoculants and the wheat are cultured together in a symbiotic culture medium. The effective path for profitable symbiosis of the AM fungi and the host plants in adversity conditions is provided, the infection and symbiosis relation with the host plants of the AM fungi is improved in a man-made mode, and the yield of dry crops is improved.

The invention discloses a rare earth modified photocatalyst and a degradable plastic film prepared by the rare earth modified photocatalyst and a preparation method thereof. The rare earth modified photocatalyst of the invention consists of lanthanon and titanium dioxide, and weight of the lanthanon is 0.1 to 10 percent of that of titanium elements. The rare earth modified photocatalyst is blended with polyolefin resin, then the degradable plastic film can be prepared, and the weight of the rare earth modified photocatalyst is 0.1 to 20 percent of that of the polyolefin resin. The visible light utilization ratio of the rare earth modified photocatalyst is improved by 50 percent, bactericidal rate reaches 70 percent, contact angle is less than 10 degrees, the effect of the degradable plastic film is significant, and degrade ratio can reach 20 to 60 percent. The raw materials of the rare earth modified photocatalyst are inexpensive and innoxious, the preparation method is simple, and the rare earth modified photocatalyst has the advantages of light conversion, visible light sensitization, hydrophilic and antifogging, dust proofing, etc.

The invention provides a method for cultivating double wide-narrow bushes by alternatively changing wide rows and narrow rows of a corn strip field in a quantified and positioned manner. The method carries out rotary tillage and autumn ridging on a traditional ridging corn field; before the day of sowing in spring or in the day of sowing, a V-shaped rock to carry out two ridge and one combination to bail lands; bailing air dried soil on two ridges into an earth furrow between two ridges to form a whole flat level strip field by ridge surfaces of the two ridges and the earth furrow in the middle; the process of sowing utilizes a primary double-row spacing and narrow-row spacing of the wide rows and narrow rows to sow so that two rows of corn seeds on the strip field are rightly sowed on a corn unoccupied area to be planted in the soil of a plane wet strip field without fore-rotating crop corn stubbles. The method provided by the invention can improve capabilities of resisting spring drought and preserving seedlings at a seedling stage of corns. By utilizing the method, high-light effect ventilation and light transmission of corns are improved, empty sticks are reduced, lodging is resisted, and yield and income are increased.

A corn and peanut complex three-dimensional ecological intercropping planting method relates to a planting method for corns and peanuts. The corn and peanut complex three-dimensional ecological intercropping planting method can solve the problems that in the mode of long continuous cropping of corns and peanuts, straw reapplication is difficult, planting is out-off-balance, physic and chemical properties of soil deteriorate, pests and diseases become serious, the investment is increased but the yield is not increased, row spacing configuration is not reasonable during the conventional intercropping between the corns and the peanuts, and the utilization of light and heat resources is low. The method includes the following steps of: 1) good seed selection; 2) land selection and soil preparation; 3) soil testing and formulated fertilization; 4) field arrangement optimization; 5) seeding and reasonable close planting; 6) fine field management; 7) straw reapplication; and 8) crop rotation, fallowing and land maintaining. Many years of tests show that the yield of the corns can be increased by 2.0% to 8.0% more than that of the conventional planting method; compared with the conventional planting method, the yield of the peanuts can be increased by 1800 to 2200 Kg / hectare in average. The corn and peanut complex three-dimensional ecological intercropping planting method can be applied to the field of crop planting.

The invention relates to a multifunctional high temperature resistant composite preparation for tomato, and a preparation method thereof. The formula of the composite preparation comprises, by mass, 0.1-1% of mycose, 0.3-2% of carboxymethyl chitosan, 0.3-1.5% of salicylic acid, 0.1-0.5% of calcium chloride, 0.1-0.3% of boric acid, 0.1-0.3% of potassium dihydrogen phosphate and 94.4-99% of water. The composite preparation contains no plant growth regulator components, can substantially improve the content of chlorophyll in tomato plant blades in high temperature adversity situations, improves the photosynthesis rate, increases the output, improves the product quality, and effectively improves the high temperature resistance of tomato. The composite preparation has a substantial control effect on fruit blossom-end rot and other physiologic diseases of tomato at a high temperature.

An increase in the total grain and biomass yields and photosynthetic rates of plants grown at high densities is achieved by novel methods of defoliating the primary-source leaf of a majority of such plants. In particular the methods provide for increased grain and biomass yields, including for example, increased average kernel mass for maize plants, and photosynthetic rates through the timely removal of the primary-source leaf of a majority of the plants grown at high densities. This invention also relates to seeds obtained by using the disclosed methods.

The invention discloses a grape nutrition-balanced foliar fertilizer, and the nutrition-balanced solution formula of the grape nutrition-balanced foliar fertilizer comprises the following ingredients of: 10 to 30 percent of medical stone extracting solution, 1 to 3 percent of cane sugar, 0.005 to 0.02 percent of gibberellin, 0.015 to 0.03 percent of citric acid, 0.10 to 0.30 percent of amino acid, and the balance of water, wherein water is distilled water or deionized water. The foliar fertilizer is sprayed on the foliage of grapes at the critical fruit growth periods (grape fruit-bearing period, fruit expansion period and fruit veraison period), can comprehensively provide nutrient elements which are necessary for grape fruit and nutritional growth and satisfy the nutritional requirements at the critical periods of grape growth and development, not only has the function of providing all-sided nutrition for grape, but also has the advantages of safety, environmental protection, fertilizer and water saving, and the like, and can be popularized and applied in grape cultivation in south Xinjiang or regions that are similar to the south Xinjiang in climate and soil.

The invention discloses a special anti-cracking foliar fertilizer for a jujube tree, and a preparation method and an application thereof. The special anti-cracking foliar fertilizer for the jujube tree is composed of the following components in percentages by mass: 5% to 8% of potassium chloride, 7% to 15% of calcium chloride, 1% to 5% of borax, 1% to 5% of chelated magnesium, 1% to 3% of chelatediron, 0.5% to 1.5% of zinc sulfate, 0.2% to 0.6% of manganese sulfate and 3% to 4% of organosilicon, with the balance being water. The foliar fertilizer provided by the invention has low production cost, is safe and effective, and is beneficial for and harmless to human and livestock; mineral elements added in the foliar fertilizer are needed by animals, and can effectively prevent a variety of diseases like yellow-leaf disease and little-leaf disease caused by nutrient deficiency of a fruit tree; the disease resistance of a tree body is strengthened; the quality of a fruit is improved; the soluble sugar content of a fruit is improved by 14.3% to 43.5%, the weight of a single fruit is increased by 5% to 13.3%; the proportion of high-quality fruits is increased by 20.2% to 69.8%; the proportion of low-quality fruits is decreased by 28.9% to 76.9%; the fruit cracking rate of golden-silk jujube is significantly decreased by 30% to 45%; meanwhile, the contents of mineral elements in fruits and leaves are significantly improved; and the foliar fertilizer is free of any side effects, is safe and reliable, and is a green and environment-friendly product.

The present invention generally relates to the field of genetic engineering and obtaining transgenic traits for agronomic applications. More specifically, the present invention relates to a specific transgenic event in agricultural crops that improves plant characteristics. Yet more specifically, the invention relates to a polynucleotide construct comprising a gene from Arabidopsis thaliana. In particular, the polynucleotide construct of the invention comprises the gene AtBBX21 which encodes a B-box protein from Arabidopsis thaliana. The transgenic event of the invention increases green and seed yield, reduces photoinhibition, improves water use efficiency, increases tuber and chlorophyll production and improves photosynthetic rates, among others. The polynucleotide construct of the invention comprises a sequence depicted as SEQ ID NO: 1. The invention also provides a transgenic plant transformed with said polynucleotide construct, wherein said plant exhibits improved characteristics. In a particularly preferred embodiment, the transgenic plant is a potato (Solanum tuberosum) plant that overexpresses a gene from Arabidopsis thaliana, wherein said potato plant exhibits improved characteristics.

The invention discloses a high-efficiency seedling cultivation method for promoting the premature tillering of sugarcane tissue cultured seedlings, and belongs to the technical field of plant tissue culture. The high-efficiency seedling cultivation method for promoting the premature tillering of the sugarcane tissue cultured seedlings comprises the following steps of after the disinfection treatment carried out on a sand bed, hardening the sugarcane tissue cultured seedlings and then cleaning and disinfecting the sugarcane tissue cultured seedlings, afterwards, planting the sugarcane tissue cultured seedlings on the sand bed, watering enough rooting water, covering with a film, thinly applying compound fertilizer to obtain plantlets after sprouts survive, pruning the seedlings and then transplanting the seedlings in a potted tray which uses bagasse nutrient soil as a matrix, after the plantlets survive, pruning and hardening the seedlings, then thinly applying the compound fertilizer, pruning the seedlings after leaves grow too luxuriantly, and then carrying out field planting with soil in a big field, so as to complete the seedling cultivation. By using the high-efficiency seedling cultivation method for promoting the premature tillering of the sugarcane tissue cultured seedlings, the tillering effect of the sugarcane tissue cultured seedlings can be increased furthest; the high-efficiency seedling cultivation method for promoting the premature tillering of the sugarcane tissue cultured seedlings has excellent effects at the multiplication aspect and the strong seedling aspect of the tissue cultured seedlings, is applicable to the large-scale transplantation of the sugarcane tissue cultured seedlings; not only is the quantity of the sprouts of the sugarcane tissue cultured seedlings increased, but also the survival rate is guaranteed; further, the sprouts grow healthily and strongly; the high-efficiency seedling cultivation method for promoting the premature tillering of the sugarcane tissue cultured seedlings has the characteristics of simple operation, high efficiency and further low cost.

The invention relates to a method for increasing the photosynthetic capacity of drought mixed matrix lawn plants by adopting rare-earth cerium. The method comprises the step of sowing seeds of the lawn plants on a mixed culture matrix for lawn planting, wherein 200mg/Kg-800mg/Kg of rare-earth cerium is contained in 1.5-2kg of mixed culture matrix soil and the mixed culture matrix is the compost of soil and municipal solid waste in a weight part ratio of 4:(1-2). According to the method provided by the invention, a certain amount of rare-earth cerium is applied, so that the photosynthetic rate of the lawn plants can be obviously increased. The application of the technology is expected to realize a high-efficiency and low-cost operating mode in large-area urban lawn planting.

The invention relates to the technical field of fertilizer, in particular to fertilizer for repairing, preventing and controlling soil degradation and a preparing method thereof. The fertilizer comprises, 76-95% of active ingredients, 32.5-41.7% of nitrogen phosphorus potassium, 24.5-41% of organic matter, 11.75-19.3% of humic acid and 1-2% of amino acid. The fertilizer can supplement the effective organic matter, the humic acid and nutrient substances with water-soluble activity micro-molecules for soil, regulate the carbon and nitrogen ratio of the soil, activate a soil eco-system, regulate micro-ecological balance of the soil, and repair soil colloid, a soil enzyme system and a soil granular structure; meanwhile, water is stored, the fertilizer is preserved, soil acid-base is relieved and balanced, soil fertility is fostered, and soil degradation is prevented and controlled. The preparing method for the fertilizer for repairing, preventing and controlling soil degradation is easy to operate, saves manpower and material resources, and is high in manipulability, and beneficial for industrial production.

The invention belongs to the field of materials, relates to an anti-ageing dimming color master batch for plastics and in particular relates to a special anti-ageing dimming green master batch for a ginger greenhouse film and a preparation method of the special anti-ageing dimming green master batch. The special anti-ageing dimming green master batch is prepared by the following steps: using pigments, a light stabilizer and an antioxidant which are specially selected, loading on a sustained-release agent, and obtaining the special anti-ageing dimming color master batch for ginger cultivation with a carrier resin as a matrix. The special greenhouse film prepared by adding the special anti-ageing dimming green master batch is difficult in color fading and good in anti-ageing performance and is capable of providing light environment needed by a growth development period of gingers, facilitating growth and development of the gingers and remarkably increasing the yield of ginger.

The present invention discloses a carbon-based composite biological fertilizer. The carbon-based composite biological fertilizer is prepared from the following raw materials in parts by weight: 20-60parts of biochar, 10-30 parts of plant ash, 8-25 parts of medical stone powder, 3-15 parts of zeolite powder, 2-8 parts of potassium feldspar powder, 1-6 parts of ground phosphate rock, 15-45 parts ofhumic acid, 1-10 parts of potassium fulvate and 1-15 parts of photosynthetic nitrogen fixation composite bacteria. The carbon-based composite biological fertilizer gives full play to the respective advantages of photosynthetic nitrogen fixation composite bacteria, biochar, plant ash, medical stone powder, zeolite powder, potassium feldspar powder, ground phosphate rock, humic acid and potassium fulvic acid, not only realizes effective improvement and remediation of soil and improves the crop yield, but also is beneficial to promoting the development of green low-carbon agriculture. The invention also provides a preparation method of the carbon-based composite biological fertilizer, which is simple and convenient to operate and convenient for batch production. The invention also provides application of the carbon-based composite biological fertilizer, and the carbon-based composite biological fertilizer is compounded with one or more of decomposed manure, an organic fertilizer, slag, biomass pyrolysis residues or crop wastes according to different types of soil, so that the fertilizer efficiency is exerted.

The invention discloses a cultivation method for increasing the yield of Gaza sugar oranges. The method comprises the steps of variety selection, land management, field planting, plant management and disease and pest prevention and cure. According to plant management, plant growth modifier liquid added with water is sprayed before the flower bud differentiation period and during the flower falling period and the fruit expansion period, differentiation of flower buds of the Gaza sugar oranges is promoted during the flower bud differentiation period, flower forming genes are induced, the number of female flowers is effectively increased, stigmas and male flowers are protected, repression is removed, self-pollination or cross-pollination and fertilization are promoted, proline synthesis in crop bodies can be improved, protein denaturation caused by plant cells under the low-temperature and high-temperature states can be avoided, the flowers setting the Gaza sugar oranges are effectively protected from cold injury, and can set fruits normally, and the fruits can be effectively prevented from being scorched by the sun, cracking or shrinking; fruit expansion is accelerated, the fruit shape is lengthened, the effect is remarkable, and the yield of the Gaza sugar oranges is increased.

A nutrient ginseng growth regulator belongs to modern Chinese traditional medicine field. Because the ginseng is a perennial perennial plant, if the ginseng has grown for sever years, the soil condition will deteriorate, and the ginseng will be in poor, thereby reducing the yield and the quality of the ginseng, accordingly, for solving said problems, the nutrient ginseng growth regulator is provided. In the invention, by applying the nondurable nutrient elements comprising P, K, Fe, B, Mn, Cu, Zn, and Mo and the plant growth regulator ethephon+6-BA on the leaves of the ginseng once at the final stage of the ginseng leaf expansion, once at the green fruit stage, and once at the fruit red ripe final stage, the growth of the ginseng can be regulated and promoted, thereby improving the yield and quality. The growth regulator can be used conveniently and the cost thereof is low.

The invention relates to the field of agricultural fertilizers and in particular discloses a non-chemical foliage fertilizer. The non-chemical foliage fertilizer comprises 35-38% of amino acids, 5% ofpolyaspartic acid, 5% of polyglutamic acid, 10% of a mineral source potassium fulvic acid, 30-33% of wood vinegar, 2% of EM bacterium, 2-4% of chelating zinc, 2-3% of chelating boron and 2-3% of chelating iron. The invention further discloses a preparation method of the non-chemical foliage fertilizer. The non-chemical foliage fertilizer disclosed by the invention can avoid application of pesticides and has effects of biological sterilization and disease prevention and resistance; and any hormone is not used, and the non-chemical foliage fertilizer is capable of rapidly improving the photosynthetic rate of plants, retaining water, resisting drought, realizing sustained-release long effect and increasing yield and income.

The invention discloses a green alga and viable bacterium compound, a method for preparing the same and application of the green alga and viable bacterium compound. The green alga and viable bacteriumcompound comprises, by weight, 40-60 parts of green algae and 10-20 parts of viable bacteria. The green algae are chlorella, and the viable bacteria are photosynthetic bacteria and bacillus polymyxa.The green alga and viable bacterium compound, the method and the application have the advantages that the green alga and viable bacterium compound can be used in the agricultural field; the bacteriaand the algae are complementary with one another, and accordingly the green alga and viable bacterium compound is environmentally friendly; effects of promoting growth of crops, improving the diseaseresistance of the crops, increasing the yield of the crops and improving the quality of the crops can be realized; the green alga and viable bacterium compound can be used as a foliar fertilizer, accordingly, the photosynthetic rates of the crops can be increased by 2-3 times, nitrogen sources and carbon dioxide in air can be sufficiently utilized, energy can be saved, and environments can be protected; effects of remedying soil further can be realized by the green alga and viable bacterium compound, and effects of immobilizing heavy metal, degrading harmful substances such as polycyclic aromatic hydrocarbons, reducing the salt concentration and improving the water retention and fertilizer conservation capacity of the soil can be realized by the green alga and viable bacterium compound.