Seed sowing before seeding sowing should be shelled, selected sunny morning, spread about 10 centimeters thick, once every 1 to 2 hours flip once, drying 2 to 3 days. Peeling time is preferably 10 to 15 days before sowing. After shelling, the seeds were large and neat, the grains were full, and the color was good. There were no primary and secondary large grains for mechanical damage, and three small grains were eliminated.
Soil preparation for soil preparation, deep-cultivation and cultivating peanuts are crops that result from flowering on the ground. The roots are well-developed, and the soil is required to be deep. So, it is necessary to practise the deep plowing in winter or early spring. For clay soil, appropriate amount of fine sand can be added to improve the permeability of the resulting soil layer. For the thick layer of sand, the result was deep-turned, and 10-15 cm thick clay was pressed under the plow to create a soil for water retention and fertilizer conservation.
Ridging and fertilization, cultivation of soil nutrients due to the small number of root nodules in the early growth period of peanut, nitrogen fixation capacity is weak, in the middle and late fruit has been buried, not suitable for fertilization, so it is very important for peanuts to apply base fertilizer. In general, the combined ploughing and soil preparation before sowing, one-time application of basal fertilizer to meet the fertilizer demand during the whole growth period. Conditions apply as much as possible farmyard manure, mid-production land per acre applied farmyard manure 2000 to 3,000 kilograms, 45% compound fertilizer 30 to 40 kilograms, boron fertilizer 1 kilogram; high-yield fields per acre end of farm manure 3000 to 4000 kilograms , 45% compound fertilizer 40 ~ 50 kg, boron 1 ~ 1.5 kg. In addition, peanuts do not advocate the application of seed fertilizers, especially when boron fertilizer is used as a base fertilizer, it is strictly prohibited to apply into seeding trenches and avoid burning seedlings.
When sowing is appropriate, when the soil temperature of 5 cm soil layer of seedlings and seedlings is stable at 12°C, it can generally be improved by half a month earlier than bare cultivation. April 20 to May 5. Two rows of large ridges, 16 to 18 cm from the hole, 8000 to 10,000 holes per acre, 2 sowing per hole; 3 to 4 cm deep.
In the early stage of field management (the seedling stage), management should be strengthened, roots should be well established, pests should be prevented and treated, and early-onset seedlings should be promoted.
Mid-term (flower needle-result period) is mainly to control the growth of the upper branches and leaves, promote the development of the following fruit needles and young fruit.
The later period (maturity period) is the period of filling of kernels with enlarged kernels, which mainly embodies the words “post-protectionâ€, focuses on the drought-relief and anti-rotting fruit, treats the insects with high yield, and prevents disease and leaves to promote fruit filling.
Food additives refer to chemically synthesized or natural substances added to food in order to improve the quality, color, aroma and taste of food, as well as for the needs of antiseptic and processing technology. Due to the rapid development of the food industry, food additives have become an important part of the modern food industry, and have become an important driving force for technological progress and technological innovation in the food industry. In the use of food additives, in addition to ensuring that they play their due functions and roles, the most important thing is to ensure the safety and hygiene of food.
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