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Field management technology of peanut pod
The pod-forming period of peanuts refers to the period from the first seeing of the young fruit to the beginning of the full pod. It lasts about 25 to 30 days (about 20 days in the summer), which is the key period for determining the number of pods. From early July to early August, summer peanuts are in the early to late August. The growth characteristics of peanut pods are characterized by the growth of above-ground vegetative bodies and the growth of underground genitalia. After rain, the growth of stems and leaves is accelerated, the internodes are elongated, and the trophic area is rapidly expanded to the peak; a large number of fruit needles are placed in the soil, and the ovary is sent to a suitable depth to form young fruit and rapidly expand and enrich; the adult worm that damages peanut fruit enters the peanut field. spawning. The main task of field management is to promote the trophic body to reach the peak as soon as possible, to maintain stable growth without lodging; to ensure that the young fruit formed by the soil has formed as many economically valuable pods as possible; to prevent damage to the underground pests such as cockroaches. The main measures for field management are:
First, the result area topdressing according to the peanut fruit needle and pod surface can absorb nutrients from the soil, and mainly supply their own characteristics, in the peanut needle or pod initial stage per acre spread to the peanut plant cluster 10-15 The compound fertilizer with phosphorus and calcium as the main weight can increase the yield of 50-100 kg of pods, and the quality can be improved.
Second, foliar spray fertilizer peanut leaf spray fertilizer can enhance the flower growth potential, improve disease resistance and environmental resistance, with fast absorption, rapid effect, high utilization, low input costs, good returns and many other advantages. It can be sprayed on the front and back sides of the blade in combination with spraying or multiple times during the whole growth period. In high-yield fields and acidic soil plots, insufficient calcium content affects yield and quality. Foliar spraying of compound fertilizer rich in complex amino acid calcium can quickly supplement calcium, magnesium and other elements, increase the number of results and improve the quality of pods.
Third, the control of the anti-floating regulation of the growth of the peanuts after the growth of the rapid growth of the rain, grasping 30 days after the start of the flower, the plant has been or close to the closure of the line 15 days or so spray twice to 1000 ~ 1200 times "strong and full" It can effectively inhibit the increase of stems, prevent lodging, delay the leaves, and promote the growth and development of the pods.
IV. Pest Control Pests After rain, the hatching of the underground pests such as cockroaches and the newly hatched larvae survive and grow, and the damage of leaf-flying pests such as cotton bollworms and bridge-building insects is beneficial. In combination with topdressing, the "killing insecticide powder" or "carbofuran" toxic soil was applied to the peanut plant cluster, and the insecticide was sprayed when the heart leaf was found to be harmful.
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