What can peanut spray increase production?

What can peanut spray increase production? Is there anything you should pay attention to? Ask netizens with peanut planting experience to help introduce the planting network to sort out the various chemicals and reasons that peanuts are sprayed in each growing period, which are listed below for netizens' reference. First, spraying hormone to control the growth and lodging: the overgrowth and lodging should be controlled in the peanut field where the soil fertility is higher, the water and fertilizer conditions are better, and the plant growth is exuberant (spring peanut main stem is higher than 45cm, summer peanut main stem is higher than 40cm). Paclobutrazol wettable powder 30g ~ 40g / mu can be sprayed with 50kg water or 75kg water for longer than 50g / mu. 2 ~ 3 days after spraying, the growth slows down and the Internode becomes shorter. The spraying time should be controlled in the ridge sealing of the plant and spraying when the effective fruit needle is sprayed into the soil, the plant will be dwarfed too early, and the effect will be poor if it is too late. Second, spraying leaf fertilizer to prevent premature senility: about a month before harvest, spray peanut special leaf fertilizer-Kangpu No. 2 according to plant growth, spray 50 kg of water with 250 grams per mu or spray 80 grams of Guobao of peanut seat with 60 kg of water. Third, spraying pesticides to control diseases and insect pests: the main disease of peanut is leaf spot, which occurs seriously in the rainy season, and its symptoms are brown or black spots on the leaves, and in serious cases, it also infects leaf stalks and stem branches. Generally occurs in the late growth period, 86.2% copper master wettable powder 2000 ~ 3000 times liquid or 70% methyl thiophanate wettable powder 2000 ~ 1000 times liquid spray, spray once in 7 ~ 10 days, 2 ~ 3 times in a row. The main pests of peanut are aphids and grubs. When aphids occur, 4.5% Shennong Arrow emulsion 2500 ~ 3000 times or 30% samurai Shengdao EC 800 ~ 1600 times can be sprayed. Grub adults are sprayed with 1500-2000 times of 20% Great Red Eagle EC; when serious, the root can be irrigated with 40% phoxim EC, and the effect is better before rain. Click to get more peanut planting techniques click to get more food crop planting techniques