What measures to promote peanut production
According to the production practice in recent years, it has been proved that to achieve high quality, high output, and high efficiency of peanuts, six measures must be implemented:
First, the Qingke seedlings: After the emergence of peanuts, the base of the seedlings of the soil around the open, so that the two cotyledons exposed on the ground. In this way, the first pair of lateral branches of peanuts can be made early and the internodes of the stems can be shortened to reach the strong seedlings and to differentiate flower buds earlier, which is conducive to high yield. According to tests in various places, it is generally 10% to 20% higher than the increase in the yield of a tree seedling. Clearance must master the time and depth. The time is basically in the form of seedlings, when two main leaves are seen on the main stem, the young seedlings are too young and have weak resistance to the external environment; the late collaterals do not reach the goal of clear trees. The depth of the two cotyledons exposed to the soil surface prevails. The first pair of lateral branches that are too shallow will remain buried in the soil and will not achieve the effect of clear trees. If the depth is too deep, the germ will be easily picked up and the seedlings will fall down, which is not conducive to growth and development. After 15 days of clearing, the cultivator loosens the soil.
Second, the whole plant pressure circle: In the initial flowering period, combined with the Qing Qing tree, with the soil (preferably with wet soil) pressure on the peanut pod base, so that each nest of peanut pods toward the three directions, so that the peanut lean to the surface growth. Before and after the peanut seal line and the initial flowering period, a circle with a diameter of about 30 cm was used to press the central part of each nest of peanuts, causing them to grow on the ground in three different directions. In this way, disease can be reduced compared to conventional cultivation. Branching growth is good, and the scope of the results increases, generally increasing peanut production by about 10% to 15%.
Third, in time soil: peanuts in a large number of fruit needles into the soil, there are some fruit can not be buried, there are some of the fruit in contact with the soil to stop growing, at this critical moment, holding wet soil in place to spread from the top, It can increase the rate of fruit penetration, fruit setting rate and full fruit rate. According to experiments, peanuts are sown in time after flowering, which can increase production by more than 5 kilograms per mu.
Fourth, topdressing calcium fertilizer: peanuts need a large amount of calcium and phosphorus during the fruiting period, the formation of beneficial husks of gypsum and superphosphate, increase the rate of full fruit, increase the oil content of seeds. The method is: after the fruit needle into the soil combined with irrigation, such as alkaline soil Mu 5 ~ 15 kg of plaster, calcium phosphate applied to neutral soil. If you use 2% of superphosphate solution for foliar spray better.
5. Addition of boron fertilizer and molybdenum fertilizer: The production practice shows that applying boron and molybdenum fertilizer to peanut can generally increase production by more than 10%. Application method: In the initial flowering period, 0.3% borax solution 50-60 kg per mu is used for foliar spraying. In the growth period, mu is sprayed with 0.15% ammonium molybdate solution 50 kg foliar.
Sixth, disease prevention: In the late stage of peanut growth, the most susceptible to leaf spot disease and flower rust disease, it is necessary to prevent and control in time.
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