The mulch peanuts tend to prematurely decay in the late stage of growth, resulting in a decrease in the rate of fruit filling, resulting in reduced yield. Therefore, in the peanut production process, we must pay attention to observation, find problems, and solve them in time to avoid unnecessary losses.
　　 1 , de-fertilization. Due to the accelerated decomposition of the mulch fertilizer, it was absorbed more by the plants in the early stage, and it was easy to remove fertilizer after the pods, especially the plots with poor soil fertility. Therefore, in the flowering needle period (the pod-forming period ) , 20 kg of urea should be used in the mu , and the water should be used as a relay fertilizer. It is also possible to spray the leaf surface fertilizer 2-3 times, and it is possible to use a mixture of urea and potassium dihydrogen phosphate, or spray Shibao, etc., after 4 pm. 2 , lack of water. When the soil is not full of sensation, especially around noon in summer, the plant will temporarily wilting and cause premature aging. Water should be watered in the evening and protected by shallow soil between rows.
　　 3 , disease. The main disease of peanut is leaf spot disease. It has many rains and high humidity. It forms brown or dark brown lesions on the leaves. In severe cases, it also infects petiole and stem branches, which usually occurs in the middle and late stages. Spray 50% carbendazim WP 800-1000 times solution, 50% mancozeb 500 times solution, 70% methyl thiophanate 1000 times solution or 75% chlorothalonil WP before and after the onset. 600 times liquid. 7-10 days, and even spray three times, pay attention to the rotation medication.
　　 4 , lodging. For plots with high soil fertility and good water and fertilizer conditions, the plants grow vigorously and easily fall, and the leaves attached to the ground will turn yellow and rot, seriously affecting the ventilation and light transmission and photosynthesis to cause premature aging. If the needle may be buried at the mu daminozide 50 grams to 50 kg of water spraying. Early pod may also be (i.e., if the second batch of needles buried), mu MET 15% wettable powder 35-40 g, 35-40 kg water spraying.
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