46results about How to "Improve root-to-shoot ratio" patented technology

The invention discloses a cultivation method for improving corn yield in saline-alkali land. The method comprises the following steps: irrigating the saline-alkali land for flooding for once in the middle of March, wherein the irrigation volume for per mu is 60-100 m<3>, airing for 1-1.5 months until the surface of earth is dry enough to allow people to step on, applying 1000kg-1500kg of miscellaneous manure or 50kg-55kg of compound fertilizer per mu, then performing rotary tillage for 1-2 times to mix soil and the fertilizer, pressing by using a harrow and preserving soil moisture, and leveling the surface of earth; treating corn by using a seed coating agent before the corn is seeded, wherein the seed coating agent comprises actinomycin, bacillus mucilaginosus, azospirillum, diatomite, spicy powder, heteroauxin, potassium sulphate, magnesium sulfate, zinc sulfate, an alpha-pimacol growth regulator, an EDTA-2Na chelating agent, humic acid and turf; mixing bactericide and insecticide with seeds for treating the seeds, namely, firstly adding the insecticide, and then adding the bactericide after piling for 3-6 hours; and immediately seeding after the seed mixing treatment is finished.

The invention relates to the technical field of the water-retention fertilizer-conservation cultivation for the drought-resistant forestation of the agriculture and forestry, and concretely relates to a bentonite and fungal dreg compounded water-retention fertilizer-conservation cultivation matrix and its preparation method. The matrix comprises 30-40 parts of bentonite, 60-70 parts of fungal dreg and 0.1-0.5 parts of a composite fertilizer. The preparation method of the matrix comprises the following steps: selecting new waste fungal bags after the edible fungus plantation, carrying out bag removal treatment, crushing, and adding a composite microbial agent and urea to guarantee the C:N ratio of 20; fully and uniformly mixing the above raw materials, adjusting the water content to 60%, composting the fungal dreg, and storing the obtained compost in a ventilation and rain exposing prevention device for the decrease of the water content to 20%; and uniformly mixing the fungal dreg with bentonite and the composite fertilizer, and crushing to prepare the water-retention fertilizer-conservation cultivation matrix. The matrix has the advantages of abundant sources and low costs of raw materials, wide distribution and low cost of a bentonite mineral resource, large output and easy obtaining of the waste fungal dreg, simple making method, and no pollution to the environment.

The invention discloses a water-saving and high-yield cultivation method for dry land wheat, and relates to cultivation methods of crops. The water-saving and high-yield cultivation method for the dry land wheat comprises the following steps of fertilizing, farming, variety selecting, flat planting, group controlling and intertillage weeding and suspension of soil conservaton drought-resisting. According to the water-saving and high-yield cultivation method for the dry land wheat, downward tying probability of a root before winter is increased through early deep applying of fertilizer, root shoot ratio is increased so as to enable a root system to sufficiently absorb moisture and nutrient of soil at a deep layer, even-row flat planting is adopted to increase the dry land wheat group, strong seedlings are bred, and a reasonable group management strategy is adopted to increase the dry land wheat yield through synchronous improvement of grain number and thousand seed weight on the foundation of a large group. Risk of dressing waiting for rain in the late growth stage of wheat is reduced, and effort and labor are reduced.

The invention provides a close planting cultivating method for high-yield corn. The close planting cultivating method includes the steps of seed treatment, field planting, field management, weeding and water and fertilizer management. An excellent hybrid corn variety which is resistant to close planting, short in stalk, compact in plant type, capable of achieving straw staygreen, proper in mature period, free of baldness of clusters, resistant to lodging and resistant to diseases and pests is selected, rectangular land pieces are formed for planting, the width of the rectangular land pieces is 120-140 cm, the height of the rectangular land pieces is about 20 cm, the corn is planted in wide and narrow rows, the line spacing between the wide rows is 100-150 cm, the line spacing between the narrow rows is 40-50 cm, the distance between holes is 35-40 cm, three seedlings are planted in each hole, the treated seeds are sown in ditches in the mode that two seeds are planted at each point, the seeds are covered with soil while being sown, the soil is compacted after the seeds are covered with soil of one cun, and 5,700-6,700 seedlings are reserved per mu.

The invention discloses a high-yield, high-efficiency and simple cultivation method for dryland wheat. In order to meet the planting requirements of dryland wheat, in the process of planting dryland wheat, excellent wheat products with drought resistance and barren resistance are selected, a field cultivation and management system for storing water and preserving moisture is established, soil fertility is improved, reasonable fertilization, sowing with adequate moisture at an appropriate time, field management and corresponding prevention and control measures are adopted according to differentplant diseases and insect pests characteristics, so that the planting yield of dryland wheat can be effectively improved, the planting benefit can be improved, and the development of the wheat industry can be promoted; the early and deep fertilization of fertilizers is used to increase the root penetration before spring and winter, increase the root-shoot ratio, enable the root to fully absorb the water and nutrients in deep soil; and a reasonable group management strategy is adopted, and the grain number per spike and 1000-grain weight on the basis of large groups are synchronously increasedto increase the yield of dryland wheat, and thus not only the risk of rain topdressing at the later growth stage of wheat is reduced, but also cost and labor are saved, so that the method is efficient and simple.

The invention relates to a high-yield corn dense planting cultivating method, which comprises the following steps of seed treatment, field planting, field management, weeding and management of water and fertilizer. The good hybrid corn variety with the characteristics of dense planting resistance, dwarf, compact plant type, matured live stem, proper mature period, no balding of fruit cluster, lodging resistance, and pest and disease resistance; furrows are formed for planting, the width of each furrow is 120-140cm, and the height of each furrow is about 20cm; the wide and narrow line planting type is adopted, the distance of wide lines is 100-150cm, and the distance of narrow lines is 40-50cm; the distance of pits is 35-40cm, and three plants are planted in each pit; every two treated seeds per point are sowed into each furrow, the soil is covered while the seeds are sowed, the soil with thickness of one inch is covered and treaded, and 5700-6700 plants are reserved per mou.

The invention discloses a method for increasing the absorption rate of rice to phosphorus. The method comprises the steps of cloning the overall length cDNA (Complementary Deoxyribonucleic Acid) of an OsSUT2 gene by using a PCR (Polymerase Chain Reaction) technology; constructing a plant expression vector, wherein the plant expression vector is driven by a corn Ubi promoter; obtaining over-expressed OsSUT2 gene rice by using an agrobacterium-mediated method. Transgenic homozygous rice has the advantages that the absorption rate of plants to phosphorus is remarkably increased under a low-phosphorus growth condition, the plant height, tiller number, leaf number and spike number are remarkably increased, and the grain number per spike and the maturing rate also trends to be increased. The invention develops the novel application of the OsSUT2 gene.

The present invention discloses a chemical control agent for improving the yield and the quality of beet, and an application method thereof. The chemical control agent comprises, by weight, 50-65% of potassium dihydrogen phosphate, 9-16% of magnesium sulfate, 18-22% of zinc sulfate, 5-10% of borax, 0.1-0.6% of abscisic acid, and 0.5-2.0% of spermidine. According to the present invention, with the chemical control agent, the beet aerial part growth and the beet underground part growth can be effectively coordinated during the beet growth process, the relationship between the root tuber expanding and the sugar accumulation can be effectively coordinated, the transport of the photosynthetic assimilate to the root tuber can be promoted, the nutrition is balanced, the presenility of the beet plant at the late stage can be delayed, the disease resistance of the beet plant can be improved, and the yield and the quality of the beet can be improved.

The invention belongs to the technical field of soil conditioners, and particularly relates to a soil conditioner for promoting acer truncatum root growth and preparation and application thereof. Thesoil conditioner for promoting acer truncatum root growth comprises biochar and bacterial manure, wherein the mass ratio of the biochar to the bacterial manure is 20-35:20-30. The soil conditioner provided by the invention not only can promote acer truncatum root growth , but also can significantly improve the growth amount of acer truncatum seedling plant height and stem diameter, improve the root-crown ratio and promote the growth and development of root system forms.

The invention discloses a drought-resistance and water-holding yield increasing agent and a preparation method thereof. The drought-resistance and water-holding yield increasing agent comprises a seed soaking agent and a seed dressing agent. The seed soaking agent contains gibberellins, calcium chloride, synergist and a solvent A, wherein one liter of seed soaking agent contains 45 to 55 micrograms of gibberellins, 5 to 15 grams of calcium chloride, 2 to 5 micrograms of synergist; the synergist is one or two of dividend or tebuconazole; and the solvent A is a mixture of ethanol and water. The seed dressing agent is prepared by a method comprising: dissolving acrylic acid in water, adding ammonia water and aqueous solution of sodium hydroxide, uniformly stirring, adding potassium peroxydisulfate and uniformly stirring; and performing polymerization at 50 to 90 DEG C for at least 20 minutes, and drying the reaction product at 50 to 60 DEG C after the reaction is finished. When wheat seeds are treated by both the seed soaking agent and the dressing agent, which are prepared in the invention, the emergence rate of wheat under a high-drought condition can be improved obviously, namely when the wheat seeds are soaked for 8 hours and dressed by the seed dressing agent at a mass percentage concentration of 2 percent, the emergence rate of the wheat seeds reaches 94 percent which is higher than that under a normal water moisture condition.

The invention discloses a method for improving quality of a cut flower of gerbera by utilizing CO2. A timed and quantitative enriching technology of the CO2 is adopted, a nitrogenous fertilizer using measure is combined, and the interaction of the carbon-nitrogen metabolism is utilized, so that the flowering time of the gerbera is advanced, the diameter of the flower is enlarged, the number of the flower in a single plant is increased, the color of the flower is deepened, the consistency of the flower is good, the vase life of the cut flower is prolonged, the method is suitable for the gerbera planted by a conventional method in a green house, gerbera in different cultivars and different growth periods, the production cost is reduced, and besides, the generation of the greenhouse effect is avoided.

The invention discloses a grape planting method. The method specifically comprises the following steps of seedling selection, wherein annual or biennial grafting seedlings with integral root systems and many fibrous roots are selected, buried in moistened soil for preservation and standby use, and regularly sprayed with water to keep enough moisture; land preparation, wherein the land which is high in terrain and has a sloping field with a sunny exposure is selected. According to the grape planting method, through field planting and ridging planting, an active soil layer of soil is thickened,the ground temperature is increased, the root shoot ratio is increased, drainage is facilitated, maintenance of good ventilation and light transmittance is facilitated, microclimate of the field is improved, the occurrence of diseases and insect pests is reduced, and the survival rate of the grape seedlings is increased; during fertilizer and water management, fertilizer is reasonably applied in accordance with different periods, the growth requirements of the grapes are met, sufficient nutrient substances are provided for the growth of the grapes, the seedlings are watered once every time after the fertilizer is applied, absorption of the fertilizer is facilitated, and the situation that the fertilizer is weathered and wasted is avoided; meanwhile, the seedlings are prevented from being watered excessively to avoid the situation that humidity in a garden is too large, and a better using prospect is brought.

The invention discloses a copper-contaminated soil conditioner on the basis of sulfur-silicon fertilizers, a method for screening the copper-contaminated soil conditioner and a method for applying the same. 30 kg/hm<2> of sulfur and 1.0 g/kg soil of sodium silicate are applied in a combined manner, or 0.013 g/kg soil of sulfur and 1.0 g/kg soil of sodium silicate are preferably applied in a combined manner. The copper-contaminated soil conditioner and the methods have the advantages that the sulfur-silicon fertilizers are applied, so that biological enrichment of copper in rice seedlings can be lowered, absorption and accumulation of copper in stems, leaves and brown rice can be reduced, migration and transportation of copper in soil to various organs of rice can be inhibited, and accordingly the hygienic quality of the paddy rice from copper-contaminated farmlands can conform to food safety standards in China; the sulfur and silicon are nutrient elements required by normal growth of the rice, and the environmental stress resistance of plants can be affected by supply conditions of the nutrient elements, namely the sulfur and the silicon; the crop yield of the copper-contaminated farmlands can be increased, the content of heavy metal in agricultural products can be reduced, and accordingly the copper-contaminated soil conditioner and the methods have important theoretical significance and practical value in the aspect of amendment of the copper-contaminated soil.

The invention discloses a dwarf culturing and compact planting comprehensive high-yield cultivation technology for sorghum. The technology comprises seed treatment, field planting, field management, weeding and water-fertilizer management: selecting high-quality hybrid sorghum species which is compact planting resistant, dwarf, compact in plant type, has mature straws, a proper maturation period and baldness-free fruits, and is lodging-resistant and disease-resistant, carrying out furrowing for planting according to the furrow width of 120 to 140 cm and the furrow height of about 20 cm, planting the sorghum in a wide-narrow row planting manner according to a spacing between wide rows of 100 to 150 cm and a spacing between narrow rows of 40 to 50 cm as well as a furrow spacing of 35 to 40 cm, planting 3 sorghum seedlings in each furrow, sowing every two treated seeds into each furrow while covering soil which is 1 inches, and treading the soil, wherein 5,700 to 6,700 seedlings are planted in each acre.

The invention relates to the technical field of sugar beet fertilizers, in particular to a sugar beet compound fertilizer and a fertilization method thereof. The sugar beet compound fertilizer comprises a base fertilizer, a tiller fertilizer and a sugar content increasing agent. The sugar beet compound fertilizer meets the requirements of sugar beet for nutrient substances, the nutrient is balanced, and the fertilizer efficiency is high. The sugar beet compound fertilizer and the fertilization method thereof cooperates with each other, the growth and development of the sugar beet are further promoted, the quality and the yield of the sugar beet are remarkably improved, and a great economic value is achieved.