The management priorities for this month are: to strengthen nutrition supply, to control the growth of autumn shoots, to adopt various pruning measures to ensure normal growth of the leaves, to promote rapid fruit enlargement, to promote full flower buds, to prevent pre-harvest fruit drop of medium-maturing varieties, and to strengthen pest control. Ensure high yields. The management points in August are now described as follows:
Strengthen nutrient supply
In particular, the apple trees in the apple orchards with yellow leaves, uneven leaves, and irregular leaf color, falling yellow leaves, and leaves with coke edges should strengthen nutrient supply. Use 300-times boron-molybdenum-molybdenum-zinc-calcium amino acid nutrient solution or 600 times potassium fuluvate solution and spray once every 10-15 days to mix with pesticides. In addition, August is the period of fruit enlargement, and top-dressing trees need to be topdressed to promote rapid fruit enlargement. Phosphorus and Potassium fertilizers were used as the main results. Each age-resulting tree was planted with high-potassium and low-nitrogen-type fruit trees for 1.5 to 2 kg for chase or fertility and 5 to 6 for potassium fulvic acid.
Doing the summer and autumn trim
Focusing on the work of clearing, removing the leggy branches in the tree branches and cutting the long strips at the slashing mouth, and at the same time eliminating or retracting the fruitless branches that affect the air and light of the trees, and they are invalid for the dense lower part of the canopy. Branches must be removed.
Beware of pre-harvest fruit drop
Such as the Beidou, Hongxing, Chaohong, Shouhong, Marshal series of varieties easily before the fruit drop, in August sprayed 1~2 naphthalene acetic acid 40ppm (20% naphthaleneacetic acid 5g watered 30~40 kg) to spray wet Mainly at the handle, both wind and shake, but also promote fruit coloring.
Strengthen pest control
Focus on the prevention and treatment of early defoliation. In case of rainy weather, spraying is not good, but the bacteria infection is rapid, and quick-acting pesticides such as Type 9281 can be used for prevention and treatment. After spraying, the medicament is dry and absorbed on the leaves, which can play a very good bactericidal effect. The efficacy of these agents is about 7 days. After sunny days, long-acting agents are sprayed, such as bacteriocin, bactericidal, polyoxin, and other pollution-free pesticides.
Pay attention to flood control and weeding
In rainy years, after raining, drain water in time. Black clay orchards must pay attention to soil slashing and avoid rooting. Weeds and more orchards timely weeding, can be cut down pressure Qing Fei Fei. Can also be used chemical herbicides weeding, glyphosate 30 times (eliminate perennial weeds) + help kill the king of 1000 times or 300 times the detergent, or with no trace of 300 times to help kill the king 1000 times, speed Kill weeds.
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