36results about How to "Control leggy" patented technology

The invention discloses a multifunctional seedling cultivation substrate which comprises the components of EM fermented maize straws, perlite, vermiculite and prohexadione calcium, wherein the volume ratio of the EM fermented maize straws, the perlite and the vermiculite is 6: 3: 1, and the amount of the prohexadione calcium is 10-20g/m<3>. The multifunctional seedling cultivation substrate can control excessive growth of seedlings and can effectively prevent side effects of sprayed conventional growth inhibitors, and cultivated seedlings are superior to existing conventional seedling cultivation substrates in root activity, strong seedling index, yield and other aspects. Meanwhile, using amount of grass carbon is reduced, grass carbon resource saving is facilitated, and the purposes of resource utilization of agricultural wastes and environment pollution reduction are achieved.

The invention discloses an easy-to-absorb liquid fertilizer with a seedling expansion function. The easy-to-absorb liquid fertilizer is prepared from the following raw materials in parts by weight: 24-26 parts of sodium bicarbonate, 6-8 parts of light calcined magnesia, 4-5 parts of ginkgo leaves, 280-320 parts of powdery potassium silicate, 15-25 parts of chlormequat chloride preparation, 5-9 parts of tealeaf residues, 6-8 parts of egg shell meal, 4-6 parts of peeled bean pulp, 3-5 parts of pumpkin seeds, 2-3 parts of paraffin, 17-23 parts of potassium iodide, 8-12 parts of medical stone, 3-5 parts of brown sugar, 8-12 parts of a mepiquat-chloride preparation and 800-900 parts of an assistant. According to the liquid fertilizer disclosed by the invention, the problem of loss of microelement ions in soil is solved; the easy-to-absorb liquid fertilizer is abundant in raw materials; a plurality of nutrient elements are mixed to obtain the liquid fertilizer with high stability by a chelating method; nutrient components can be rapidly absorbed and utilized by crops in a form of ion state when the easy-to-absorb liquid fertilizer is used; and a good foundation is laid for high yield of the crops.

The invention discloses a rice seedbed conditioner and a production method thereof, belonging to the field of the production technology of a conditioner for raising rice seedlings. The method comprises the steps of uniformly stirring and mixing ammonium sulfate and potassium dihydrogen phosphate; mixing zinc sulphate monohydrate and humic acid, then adding paclobutrazol wettable powder, and uniformly stirring and mixing; uniformly mixing the two mixtures and the washed coal ash sandy soil; discharging, sieving, sub-packaging and packaging. By adopting the prepared rice seedbed conditioner, the pH value of the product is faintly acid due to the physiologically acid nutritive salt, thus the product is very suitable for the growth of the rice seedlings, and the content of organic matters in soil is increased; meanwhile, since humic acid contains an active multifunctional group, the germination rate of rice seeds can be improved, and the emergence rate and strong seedlings are promoted.

The invention provides an economical and efficient production method of a tobacco male sterile first generation hybrid seed. The method includes: at an altitude of less than 700 meters, under the climate conditions meeting the requirements of early vegetative growth and later reproductive growth of tobacco plants, conducting seedling culture on a maternal tobacco plant and a paternal tobacco plant separately, then employing isolation planting, performing topping on the maternal tobacco plant, then collecting paternal pollen and preparing pollination, during pollination, adding starch and blending them, adopting an artificial pollination pen or pollination gun to perform pollination, carrying out deblossoming on the maternal tobacco plant both before and after pollination, and when the capsule pericarp browning reaches more than 80%, conducting single fruit harvesting in batches and performing drying, then conducting threshing processing to obtain the male sterile first generation hybrid seed. The method provided in the invention has the advantages of reasonable design, low production investment, and high seed yield. On the basis of ensuring a variety purity (99%) and a seed germination rate (95%), maximization of a high-quality germplasm propagation coefficient is realized, the seed yield is greatly improved, and the seed production cost is decreased significantly.

The invention discloses a liquid fertilizer with seedling strengthening and silicon absorption promoting functions. The liquid fertilizer is prepared from raw materials in parts by weight as follows: 7-9 parts of dregs of sweet wormwood herb,9-15 parts of whey powder, 3-4 parts of wintergreen oil, 8-12 parts of a mepiquat chloride preparation, 6-8 parts of biogas slurry, 11-15 parts of fermented sorghum stems, 20-30 parts of sodium molybdate, 15-18 parts of zinc chloride, 9-14 parts of calcite, 5-7 parts of Japanese hop herb, 280-320 parts of powdery potassium metasilicate, 15-25 parts of a chlormequat chloride preparation, 5-8 parts of lanthanide rare earth, 4-6 parts of animal bone protein and 800-900 parts of an auxiliary agent. The liquid fertilizer solves the problem that effective silicon in traditional silicon fertilizers is not sufficiently converted and released in soil, stable silicate ions are formed through chelation of alkaline potassium silicate and trace elements, crops can absorb silicon better after the liquid fertilizer is used, growth of roots of the crops is facilitated, and the stress resistance is increased.

The invention discloses a flower-promoting foliar fertilizer for flat land cultivation of Cymbidium hybridium and relates to fertilizers. The foliar fertilizer contains the following ingredients in parts by weight: 30 to 60 of dipotassium hydrogen phosphate, 20 to 60 of diammonium hydrogen phosphate, 30 to 70 of magnesium sulfate heptahydrate, 60 to 120 of calcium nitrate tetrahydrate, 0.1 to 1 of boric acid, 0.05 to 0.1 of ammonium molybdate, 3 to 6 of disodium ethylenediaminetetraacetate, 2 to 6 of ferric sulfate heptahydrate, 0.2 to 1.0 of zinc sulfate heptahydrate, 0.2 to 1.0 of manganese sulfate tetrahydrate, 10 to 20 of Paclobutrazol and the balance of water. The preparation method of the foliar fertilizer comprises the following steps of: (1) preparing 500-times to 1000-times concentrated solution D of ferric sulfate heptahydrate, disodium ethylenediaminetetraacetate, boric acid, ammonium molybdate, zinc sulfate heptahydrate and manganese sulfate tetrahydrate; and (2) mixing other ingredients with the concentrated solution D to obtain the final product. The foliar fertilizer contains necessary nutrients for plants, supplies micro-elements to plants, enhances stress resistance and disease resistance and has good flower-promoting effects. The foliar fertilizer is applied to leaves and rapidly absorbed by plants, leading to rapid onset of action. The fertilizer is fully utilized with less loss and less immobilization.

The invention discloses a ripping and ventilating liquid fertilizer with a seedling expanding function. The ripping and ventilating liquid fertilizer is prepared from the following raw materials in parts by weight: 26-30 parts of calcium carbonate, 4-6 parts of potassium epsom salt, 6-7 parts of diatomaceous earth, 10-13 parts of oil cake, 3-5 parts of folium artemisiae argyi, 280-320 parts of powdery potassium silicate, 15-25 parts of chlormequat chloride preparation, 8-10 parts of mixture of rice chaff and husk, 6-9 parts of chitosan, 33-37 parts of potassium nitrate, 5-8 parts of zircon sand, 9-13 parts of rape seed cake, 2-4 parts of saponin, 8-12 parts of a mepiquat-chloride preparation and 800-900 parts of an assistant. The liquid fertilizer disclosed by the invention is stable in property, and abundant in nutrient elements, meets the requirements in various stages of crop growth, contains a lot of bioactive components, and is capable of quickly improving the microbial environment of the soil, increasing soil gaps and improving the ventilating and fertilizer-protecting capabilities of the soil after being applied.

The invention provides a high-yield anti-disease potato planting method and relates to the technical field of vegetable planting. The high-yield anti-disease potato planting method comprises the following steps: (1) selecting a variety; (2) storing and selecting seed potatoes; (3) cutting the seed potatoes; (4) sterilizing the seed potatoes, and performing germination acceleration; (5) drying potato pieces in air; (6) selecting and preparing a land; (7) sowing seeds; (8) performing field management; and (9) harvesting potatoes. By adopting the method, the problems that potatoes planted by using a conventional potato planting method are high in morbidity, poor in quality and low in yield are solved.

The invention discloses a cultivation method for increasing content of nutrients in Toona sinensis and relates to the technical field of planting of Toona sinensis. The cultivation method comprises the steps of treating seeds, growing seedlings, preparing a field, transplanting, managing the field, carrying out temporary planting, setting up a shed, moving the plantlets into the shed, and harvesting. Tender shoots and leaves of Toona sinensis cultivated via the cultivation method have good color, strong fragrance, good taste, high nutrient content, rich nutrients, such as proteins, vitamins and selenium, and good quality; nutritional health value of Toona sinensis is enhanced, and economic value is improved.

The invention discloses a flower stimulator for fructus momordicae and a using method thereof. The flower stimulator for the fructus momordicae is the flower stimulator formed by mixing mepiquat chloride and allantoin, and proportion by weight of the mepiquat chloride to the allantoin in each liter of an aqueous solution is 0.5-2.5: 0.5-2.0. The using method for the flower stimulator for the fructus momordicae comprises the following steps: after a tissue-cultured seedling strain of the fructus momordicae climbs a shed, secondary or third lateral bines perform the vain growth and exceed to 18 sections, the budding still cannot be realized, the pruning is greatly performed, and only 4 to 5 sections are retained; and the flower stimulator for the fructus momordicae with a concentration of containing 500 to 2500mg of the mepiquat chloride and 500 to 2000mg of the allantoin in each liter of mixed liquid is sprayed on leaf surfaces for two times in the evenings of rainless days, the interval time is between 7 and 10 days, and the spraying is stopped when the leaf surfaces are evenly moistened and have slight liquid drops. The flower stimulator for the fructus momordicae can effectively control the vain growth and promote the budding and blossoming. A mixed preparation of the invention has low cost and convenient use, is safe and non-toxic to soil ecology as well as people and animals, and is environment-friendly.

The invention provides a potato cultivation method, which relates to the technical field of vegetable cultivation. The potato cultivation method comprises the following steps: (1) variety selection; (2) seed potato treatment; (3) seed soaking and germination acceleration; (4) soil preparation; (5) Sowing; (6) Field management; (7) Harvesting. The invention solves the problems of high morbidity, poor quality and low yield of potatoes cultivated by the existing potato cultivation method.

The invention discloses a cultivation method of apocarya fruiting large container seedlings, and belongs to the technical field of forest seedling cultivation. The method comprises the steps of medium-container seedling cultivation, large-container cultivation, preliminary tree form pruning, grafting and three-year cultivation for fruiting. The method is high in transplanting survival rate and rapid in seedling growth. During outplanting, the ground diameter can reach 3.5-4 cm, the seedling height is 2.5 m or above, the crown breadth is 4 m or above, and the sizes are remarkably higher than that of field cultivated seedlings of the same specification for orchard establishment. By using large-specification root control container pieces for seedling raising, a large number of fibrous roots are promoted in the growth process of seedling roots, and meanwhile, through two measures of transplanting seedlings into a middle container and then transplanting the seedlings into a large container,excessive growth of main roots is controlled through two times of root cutting treatment. The large-container seedlings cultivated by adopting the method for orchard establishment is high in plantingsurvival rate and remarkable in growth amount, fruits continue to be borne in the same year or the next year of planting, the effect of immediate orchard establishment is achieved, and the time fromorchard establishment to income acquisition is greatly shortened for planters.

The invention relates to a fertilizer with high contents of phosphorus and potassium. The fertilizer is prepared from a phosphorus-containing compound and a potassium-containing compound, wherein the content of phosphorus in the fertilizer is 40 to 60% in terms of phosphorus pentoxide, and the content of potassium in the fertilizer is 40 to 60% in terms of an oxidizing agent. According to the invention, a non-conventional formula is employed to prepare the nitrogen-free fertilizer with excellent effect and high contents of phosphorus and potassium; the fertilizer can effectively control the growth of crops in an early stage and promote seedling hardening, rooting and blossom of the crops; in the later stage of the growth of the crops, the fertilizer can better promote expanding and coloring of fruit and accumulation of mesome substances in fruit and promote generation of growth activity substances, so the utilization rates of macroelement, medium elements and trace elements in crops can be substantially increased, and yield increase of the crops is realized; and the fertilizer is especially applicable to plants which do not need nitrogen in the whole growing period but have higher demands for phosphorus and potassium.