37results about How to "Reduce seeding rate" patented technology

Disclosed is a Hangtian 2 soybean cultivation method, which changes the tillage method and adopts reasonable seeding methods of sparse planting, wide furrow cultivation and one-row planting on each furrow. The rooting powder and molybdenum fertilizer are used for seed dressing, then the seed coating agent is used for treatment of seed and timely spraying foliar fertilizer, and a special formulated fertilizer, a special seeder and a special sprayer are matched for realizing the cultivation technique measure. The invention has the key technique that the wide furrow of 70 centimeters is adopted for one-row seeding with the seeding rate per hectare of 50-60-jin, 9-11 plants per extended meter and preserved seedlings of about 120, 000-15,000 per hectare.

The invention discloses a seed germination acceleration method, relates to a production method of crop seeds, and belongs to the field of seed treatment. The method is characterized by comprising the following steps: soaking seeds in a 0.5% copper sulfate aqueous solution for 15-20 minutes; washing the seeds after being taken with clear water, airing and placing in an environment with the ventilation volume of 20L/min, wherein the germination acceleration temperature is 25-28 DEG C, and the illumination of a phytotron in germination acceleration is performed in a light and dark alternation manner at a 4 hour interval; and after the treatment, covering the seeds with sand, and watering and icing, wherein the thickness sum of the seeds and covering sand and ice is 40-50cm. The method disclosed by the invention has the beneficial effects that the good seeds which are full without pest and disease damages are selected; the seeds are mixed with the water and the sand and subjected to the freezing stacking treatment, the resting stage of the seeds is effectively broken, the germination rate of the seeds and the emergence rate of a nursery are increased, the seeding quantity is reduced, and the reproduction coefficient is greatly increased; by adopting the technology, the nutrition resistance and disease/pest resistance of the seedlings are improved, and the self-epidemic prevention system of the seeds is mobilized.

A seed between two filmes is prepared through uniformly arranging the coated seeds on a lower paper film and sticking an upper paper film on said coated seeds by use of the adhesive containing agricultural chemical, so arranging the coated seeds between two paper film for omitting ground film.

The invention discloses a method for accelerating germination and raising seedlings of earthworm seeds, and belongs to the technical field of plant seedling raising. The method comprises: (1) treating the fruit of the ground stalk; (2) pre-treating the seed of the stalk; (3) treating the germination of the seed; (4) sowing the seed and raising seedlings. The method significantly improves the germination rate of the seeds of Dixie, which is increased from the conventional 10-15% to more than 50%; through the germination treatment, the emergence rate is more than 3 times higher than that of the conventional dry Tibetan seeds; the method reduces the sowing amount, obviously The dormancy period is shortened, the emergence rate of the field is improved, the period from sowing to the three-leaf stage is shortened from more than 8 months to about 4 months, and the cost of seedling cultivation is reduced by more than half; , Promotion and application of green areas.

The invention discloses a seedling raising method for cultivating superlong-age strong seedlings of machine transplanting rice in a wheat-rice double cropping area. The seedling raising method includes variety selecting, seed processing, germination accelerating and chest bursting, seed cooling and sprout hardening, scientific fertilizer preparing for nutrient soil, sowing, seedling raising management, disease and insect damage preventing and controlling and timely machine transplanting. Compared with the prior art, the seedling raising time is 10-15 days longer, 1-2 leaves grow out in the seedling age, seedling age elasticity is improved, and the seedling transplanting stage is prolonged, which is beneficial for peasant operation and reduces intensity of the busy farming season; a late-maturing high-quality rice variety with a long growth period can be selected for a wheat and oilseed rape rice transplanting field, the transplanting variety selection is increased, seedling raising is convenient, sowing amount is reduced, the seedling survival percentage is increased, and production cost is reduced.

The invention discloses a xanthoceras sorbifolium Bunge seed low-variable temperature lamination membrane covering direct sewn seedling growing method which comprises the following steps: collecting fruits, sorting and grading seeds, carrying out after-aging treatment on the seeds, preparing lamination sand, preparing lamination vermiculite, preparing lamination perlite, preparing a lamination medium, sterilizing the seeds, carrying out low-variable temperature lamination and membrane covering, and the like. The method has the beneficial effects of being rapid in seed germination, high in seedling rate, rapid in seedling growth speed, low in seedling growing cost, high in seedling rate of seeds, simple and convenient in management, convenient in in-situ material obtaining, high in transplanting survival rate, good in seedling commodity property, and the like, and is applicable to large-scale seedling growing in nursery lands.

The invention discloses a low-temperature stacking, germination-accelerating and seedling-growing method for Prunus mongolica Maxim seeds. The method comprises the following steps: seed collection, cleaning and careful selection of the seeds, after-ripening treatment of the seeds, and stacking and germination-accelerating treatment. The seeds treated by the method have the advantages of fast seedling emergence speed and high emergence rate; and the method has the advantages of simplicity, good seedling quality, low cost of seedling growth, high outplanting rate of the seedlings, and effectiveness in control of nursery field weeds.

The invention discloses an alpine-semiarid-area alfalfa seeding method. The method includes steps: variety selection, fine soil preparation, formula fertilization and mulching precise hole sowing, wherein the step of formula fertilization specifically includes: analyzing and testing soil nutrient of a planting land plot, preparing organic compound fertilizer according to nutritional needs of alfalfa and condition of soil nutrient, and applying the prepared compound fertilizer onto the planting land plot; the step of mulching precise hole sowing includes full mulch covering, earthing and compacting and holing and hole sowing, full mulch covering refers to fully covering the planting land plot after going through the step of formula fertilization with mulch, earthing and compacting refers to covering the mulch with a layer of soil, and holing and hole sowing refers to holing the mulch after going through earthing and compacting and sowing alfalfa seeds in holes and then earthing. By the method, wintering rate of alfalfa can be ensured effectively, seedling emergence rate of alfalfa can be increased, unit area yield of alfalfa can be increased, mechanical action is facilitated, and convenience is brought to harvesting.

The invention discloses a plant-derived wheat seed-dressing agent. The plant-derived wheat seed-dressing agent comprises raw materials as follows: water, potassium fulvate, sodium humate, potassium hydroxide, an auxiliary, a defoaming agent, monopotassium phosphate, ammonium nitrate, urea, chitosan oligosaccharide, citric acid, EDTA-disodium, KOM, ammonium molybdate, sodium gluconate, boric acid,sulfate and a haloxylon ammondendron seed extract. The invention further provides a preparation method of the plant-derived wheat seed-dressing agent. The preparation method comprises following steps:sodium humate, potassium fulvate, potassium hydroxide, the auxiliary, the defoaming agent, monopotassium phosphate, ammonium nitrate, urea and chitosan oligosaccharide are sequentially added to waterand uniformly stirred, and a preformed solution A is obtained; citric acid, potassium hydroxide, EDTA-disodium, KOM, ammonium molybdate, sodium gluconate, boric acid and sulfate are sequentially added to water and uniformly stirred, and a preformed solution B is obtained; the preformed solution B is added to the preformed solution A, the haloxylon ammondendron seed extract is added, the mixture is stirred uniformly, and the plant-derived wheat seed-dressing agent is prepared. According to the seed-dressing agent, germination speed and emergence rate of wheat seeds can be remarkably increased.

The invention discloses a method for improving the germination uniformity of keteleeria cyclolepis flous. The main technical parameters of the method comprise: (1) high full rate seed obtaining, wherein purification selection with an electric purification selection machine is used to replace a low efficiency soaking floating method to remove empty particles; (2) low temperature dormancy breaking, wherein short-term low-temperature storage at a temperature of 3-5 DEG C is performed to break dormancy; (3) grease removing with a NaOH warm soup, wherein the seeds were lastingly soaked in warm water for 4-5 h, and then soaking with a NaOH solution with a mass concentration of 1.0-1.5% is performed for 16 h so as to complete the grease removing; (4) seed soaking with clear water and treatment with an agent, wherein the seeds are placed in clear water with an initial temperature of 45-55 DEG C to soak for 24-36 h, and then the seeds are soaked for 2 h in a 500 ppm gibberellin solution; and (5) dense sowing on a sand bed, wherein the seeds are uniformly sprinkled on a flat sand bed, and the sowing amount is 0.5-0.6 kg/m<2>. According to the present invention, with the application of the method to perform the treatment and the germination accelerating on the keteleeria cyclolepis flous seeds, the full rate of the seeds before the sowing can achieve more than 80%, the field germination rate can achieve more than 75%, the germination time is 15-25 days, the nursery seedling emergence germination rate achieves more than 70%, the germination uniformity and the nursery seedling emergence germination rate of the keteleeria cyclolepis flous are substantially improved, and the germination time is shortened.

The invention discloses a method for improving the germination capability of standardization rice seeds. The method for improving the germination capability of the standardization rice seeds comprises the following steps that 1, the rice seeds are physically screened to improve the clarity of the rice seeds; 2, liquid screening is conducted on the rice seeds treated in the step 1, and full seed grains are separated from half-full seed grains or abortive grains through the gravity of the rice seeds; 3, chromatic aberration separation is conducted on the rice seeds treated in the step 2, the RGB range of standard seeds is set, and the rice seeds which are not in the RGB range of the standard seeds are removed. According to the method, the 100% clarity of the rice seeds is achieved by jointly adopting physical screening, liquid screening and chromatic aberration separation, and compared with seeds screened through an existing seed screening technique, the seeding quantity is decreased by 40% to 70%, and the seedling rate is 90% or above.

The invention discloses a saline and alkaline land rice greenhouse seedling culture method. According to the method, a table land in a saline and alkaline land is selected, a seedling culture greenhouse is arranged on the table land, rice seedlings are cultured in spring, a film of the greenhouse is opened, soil in the greenhouse is washed by rainwater, the rainwater enters the greenhouse, the salt-tolerant amount of the soil in the greenhouse is reduced, salt discharging pipelines are laid in a seedbed in the greenhouse and as same as salt discharging ditches outside the greenhouse, and accumulation of the salt of the soil in the greenhouse reduced. Substrates applicable to use of the saline and alkaline lands are selected and used for culturing seedlings, an EC value of the substrates islow, the content of a k fertilizer is reduction, sowing amount of a seeding trays is reduced, salt resistance of the seedlings is enhanced, watering amount of the seedlings is controlled during seedling culture, and water evaporation of the seeding trays is reduced.

The invention provides quick-germinating herba cistanche seed grains and a preparation technology thereof, and discloses the herba cistanche seed grains, the preparation technology and a herba cistanche planting method. The herba cistanche seed grains are prepared from herba cistanche seeds, inert additives, adhesive matter and an addition agent in a certain weight ratio, the seeding rate can be reduced, and the parasitism rate is increased; according to the preparation technology, the herba cistanche seeds are pretreated, so that the seed neatness and uniformity are improved, then the herba cistanche seeds are mixed with the inert additives, the adhesive matter and the addition agent, the seed grains are prepared, the preparation method is simple, conditions are easy to control, and the cost is low.

The invention discloses a sowing method of motherwort herb, the sowing manner is bunch planting, the interval between each two holes is 5-30 cm, and the seeding quantity is 300-500 g per Mu. The invention also discloses a high-yield and low-seeding-quantity cultivation method of the motherwort, and the cultivation method comprises the following steps: (1) sowing according to the method above; (2) cultivating. The method provided by the invention can reduce the seeding quantity, and improve the yield, and has good application prospects.

An accurately quantitative dibber is disclosed. Its machine frame and chassis assemblage has sliding drainage and ditching pyramid on its bottom. A number of seed recepting hoppers and tubes are transversely arranged above the machine frame and chassis assemblage and under the translation-type seed discharging assemblage with guide track, which is driven by seed-charging arm or drive assemblage to move translationally. The seed storage bucket is above the seed discharging assemblage and is matched with quantitative seed feed holes. The seed covering rake is positioned on machine frame assemblage and is matched with the seed discharging ports. Its advantages include unique, simple and practical structure, saving seed by 50% or more, increasing yield by 10-20%.