2199 results about "Land preparation" patented technology

The invention discloses a method for controlling the accumulation of heavy metal cadmium in rice, and belongs to the technical field of rice planting. The method comprises the following steps of: (1) before the land preparation for seedling transplanting, applying a divalent manganese chelate in soil and uniformly mixing the divalent manganese chelate and the soil; (2) during a period from 15 to 20 days after seedling transplanting to 35 to 45 days after the seedling transplanting, spraying aqueous solution of a divalent manganese fertilizer once every other 7 to 10 days; (3) spreading the divalent manganese chelate in the early booting stage and the grouting stage of the rice respectively; (4) irrigating the paddy land within 3 to 5 days after the soil application of the divalent manganese chelate; (5) from the earing period of the rice to the ripening period of the rice, spraying the aqueous solution of the divalent manganese fertilizer once every other 7 to 10 days; and (6) after the soil application of the divalent manganese chelate, applying the divalent manganese chelate in the same way each year, but with an application rate which is reduced by half or three quarters. The method adopts soil application and leaf surface spraying application of the divalent manganese fertilizer and is more effective. The method is wider in application range, more economic and effective and is capable of improving the mineral nutrient element content of the rice and overcoming the adverse effects of the prior art.

The invention discloses a standardization planting method of tuber pinellia, which comprises the following steps of: step one, breeding material: (1) seed reservation and preservation of tuber pinellia tuber; step two, (1) choosing cultivating land; (2) land preparation; (3) soli sterilization; (4) lifting; (5) planting; step three, field management: (1) weeding; (2) additional fertilizer; (3) picking spathe (4) irrigation and drainage; (5) ridging; step four, harvesting; and disease control and pest control. The indicators of the tuber pinellia obtained by the method are in line with the contents requirements of the traditional Chinese medicinal material GAP; in normal given years, the yield of the drug ingredients of the tuber pinellia (dried goods) can reach 150 kg to 180 kg; the tuber pinellia can be normally planted in large area; the method has little planting investment and high benefits; the rapid development of the tuber pinellia industries in mountain areas not only can create considerable social and economic benefits, but also can bring excellent ecological environment benefits.

The invention relates to a high-yield culture technique of wheat, including land preparation, seeding, fertilizer application, watering and disease and insect control; the high-yield culture technique is characterized in that: the pattern of double sowing in one ridge with equal row distance and band seeding with broad width is adopted for sowing, and a wheat seeder with broad width is used for sowing. The high-yield culture technique has the advantages that: as the land occupying space of a single plant of wheat is enlarged, the leaves of wheat are not crowed, thus chemical weed killing effect can be greatly improved; the enlargement of the growing area of a single plant is beneficial to a robust individual and good lodging resistant effect; on the basis of fine-seeding, tillering is increased, the development of colony is reasonable, grains are not crowded, the growth state of competing for fertilizer, water and nutrition does not exist among individuals, the wheat has robust growth and strong adverse resistance, the high-yield culture technique is beneficial to large spike cultivars to form more spikes, and multi spike cultivars to form large spikes, thus facilitating larger spikes and more grains and obviously improving yield. The enlargement of the nutrition adsorption area of an individual plant is good for the development of the root system and the enhancement of vitality, and the late green functional period of wheat is prolonged, which can relatively delay the aging time of wheat and is beneficial to increasing wheat grain weight.

The invention discloses a standardization planting method of uncaria, which comprises the following steps of: step one. seed seedling breeding: (1) seed seeding breeding; (2) seed breeding or sticking breeding; step two. main field transplanting: (1) choosing cultivating land; (2) land preparation; (3) basic fertilizer; (4) transplanting; (5) complementary planting of seedling; step three. field management: (1) cultivating and weeding; (2) additional fertilizer; (3) beating inflorescence (4) trimming and shaping; step four. uncaria harvesting; and disease control and pest control. The indicators of the uncaria obtained by the method are in line with the contents requirements of the traditional Chinese medicinal material GAP, can be normally planted in large area; the method has little planting investment and high benefits.

The invention discloses a selenium-enriched rice which is produced by processing selenium-enriched paddy rice, the selenium-enriched paddy rice is obtained by applying a nutritional agent for the selenium-enriched paddy rice in the soil of a paddy field for cultivation after land preparation and before irrigation, and the weight composition of the nutritional agent for the selenium-enriched paddy rice is as follows: nano-selenium plant nutritional agent: nitrogen-phosphorus-potassium compound fertilizer is equal to 0.1-1: 1, wherein the weight concentration of selenium in the nutritional agent for the selenium-enriched paddy rice is 2000-10000mg / kg. The selenium content of the selenium-enriched rice is 0.04-0.300mg / kg, the proportion of organic selenium is more than 80%, and the form is safer. The production method of the selenium-enriched rice is simpler, the using amount of the nutritional agent for the selenium-enriched paddy rice is small, and the environmental pollution is small.

The invention discloses a method for planting Chinese angelica. The method comprises the steps of seedbed finishing, seeding, land preparation of a large field, transplantation, field management, disease and pest prevention and harvesting and processing. A seeding matrix is paved on a seedbed field, and a soil conditioner is added into the soil of a transplantation field, so that the potential of hydrogen of the soil is improved, and the fertilizer quantity is increased. The Chinese angelica planted by using the method is high in mu yield, high in quality and small in disease and pest damage.

The invention discloses a savia miltiorrhiza planting method which comprises the steps of (1) breeding material culture, (2) planting, (3) field management and (4) harvest. In the step (1), savia miltiorrhiza seeds are grown to obtain seedlings or savia miltiorrhiza seminal roots are directly used as seed sources, wherein the following steps of a. seedbed preparation, b. sowing, c. seedbed management and d. transplanting are executed for growing the savia miltiorrhiza seeds to obtain the seedlings. The step (2) comprises land selection, land preparation and planting, wherein planting can be carried out either in a seedling planting mode or in a root division planting mode. The step (3) comprises intertillage weeding, after-manuring, topping and irrigation and drainage. The step (4) comprises seed collection and crude medicine collection, wherein seed collection comprises collection of seeds and seminal roots. By the adoption of the breeding material culture conditions, the grown seedlings are healthy, strong, rich in nutrient substance and good in growing state, and the yield of savia miltiorrhiza crude medicine and savia miltiorrhiza seminal roots can be increased substantially when the grown seedlings are used or savia miltiorrhiza planting.

The invention discloses an artificial cultivation method of wild pinellia. The method includes the steps of land selection, land preparation, seed selection, seed soaking, timely seeding, field management, prevention and control of plant diseases and insect pests, harvesting, treating and the like. A self-prepared plant ash soaking solution is adopted for seed soaking, a good growing environment can be provided for pinellia tubers, plant diseases and insect pests can be reduced, and survival rate can be improved. A soil conditioner is applied during land preparation and base fertilizer applying, the soil conditioner can improve soil, break soil hardening, loosen soil, increase organic matters in the soil and promote soil microorganism activity, and can decompose animal and plant residues and trace metal elements in the soil to convert the same into nutrients of plants, serve as fertilizer, improve disease resistance of pinellia and promote quick growing of the pinellia. The artificial cultivation method is simple and easy to implement, simple and convenient in management, easy for growers to operate and implement, suitable for large-scale cultivation, high in yield and good in quality and completely meets market requirements.

The invention belongs to the technical field of economic forest planting, and particularly relates to a high-yield and high-quality planting technology for oil-tea forest. The high-yield and high-quality planting technology comprises the steps of land selection, land preparation, tree species selection, forestation, young growth management and protection and intensified nourishment. The forestation time and density are strictly controlled, and nursery stock is planted after being lifted; mixture forestation is carried out, planting flowering phases are matched, and the fertilization and fruit bearing rate is increased; forest land intervals are utilized for planting dwarf crops, interval interplanting is carried out, ploughing is used for replacing fostering, and fertilization is carried out in time. In the base fertilizer application process, organic fertilizer containing Chinese herbal medicine residues is adopted, the organic matter content is high, meanwhile, the effects of sterilization, insect killing and nursery stock plant disease and insect pest prevention can be effectively achieved through the remaining components of the Chinese herbal medicine, the pesticide and chemical fertilizer application amount is greatly decreased, the oil-tea quality is improved, and the high yield and the high quality are ensured.

The invention relates to a fertilizer applying method for controlling the heavy metal cadmium accumulation of rice and belongs to the technical field of rice planting. The method comprises the following steps that 1) the land preparation is carried out before the seedling transplanting, and sulfides are applied into soil and are fully and uniformly mixed with the soil; or the land preparation is carried out before at least 15 days of the seedling transplanting, sulfates are applied into the soil and are fully mixed with the soil, and the rice field is kept to be in a waterflooding state; 2) during the first top application in the rice production, the sulfides are scattered and applied, and in addition, the soil is kept to be in the waterflooding state; 3) the sulfides or the sulfates are applied according to steps 1) and 2) during the rice planting in each time in the first year or the second year, the method and the step for applying the sulfides or the sulfates after the second year are the same as those of 1) and 2), but the application quantity is halved or is reduced by 3 / 4, or the sulfides or the sulfates are applied according to the steps 1) and 2) every two years after the second year. The fertilizer applying method has the advantages that sulfur fertilizers with wide resources are used, the consumption is low, the price is low, the use cost is low, and the cadmium content in the rice can be obviously reduced.

The invention discloses an early-spring high-yield potato cultivation technology. The early-spring high-yield potato cultivation technology comprises the following steps: variety selection, potato seed processing, grading-based germination acceleration, planting land selection, land preparation and fertilization, sowing and seedling raising, field management, control of pest and disease, harvesting and the like. According to the invention, by means of immersing seeds with a Chinese medicinal herbal solution and carrying out preventive spraying by using a Chinese medicinal herbal agent for preventing diseases and pests, disease and pest damages to potatoes can be reduced greatly, the growth environment of the potatoes is purified, the utilization of chemical pesticides is reduced, and an ecological environment is protected. The potatoes planted according to the invention are good in grade and are safe and pollution-free. The cultivation technology disclosed by the invention is simple, has the advantages of low cost, high yield, convenience for management and the like, and is suitable for large-scale cultivation.

The invention discloses a method for planting organic tea trees on the Mountain Sheng, a famous scenic zone in Heng County in Guangxi province. The method includes the steps of planting environment selection, reclamation and land preparation, seed selection, tea tree planting, tea tree shearing, tea garden weeding, tea garden fertilization and watering and control of plant diseases and insect pests. Tea produced in the method is purely natural, none of chemical fertilizer, pesticide and plant growth regulators which are artificially synthesized are applied to the tea trees, the taste of the tea is mellow and fragrant, the liquor color is bright, requirements of various high-grade organic tea on the market are met, and the method has significance and profound influences on popularization of tea culture and development of the tea industry.