After a long period of growth and field management, the drainage and irrigation functions of most of the furrows in the garlic field have been seriously degraded. With the arrival of the rainy season, especially in the middle and late stages of garlic growth, the rainwater increases, and some of the trenches are not supported. It is prone to waterlogging disasters and affects the growth of garlic. In the near future, we must do a good job in clearing the grass in the garlic field, and ensure that the “three ditch†is matched, so that the dry irrigation can be done, the can be drained, and the rain can be stopped to prevent rain and waterlogging.
Strengthening water management With the entry of garlic into the critical period of water demand, coupled with rising temperatures and increased windy weather, the demand for water in garlic is increasing. All localities should pay attention to the management of garlic water, and generally irrigating a large amount of water. For some sorghum plots, it is necessary to use the well or other means to replenish the water to ensure the water needs of the garlic.
Supplementary Fertilizer The key period for the absorption of fertilizer from garlic is the elongation of the garlic to the expansion period of the garlic. Due to different fertilization levels, the differences in plant growth between the plots are obvious. Some of the plots have been de-fertilized due to yellowing of the leaves and thin growth. Fertilization measures should be taken. First, combined with irrigation and fertilization, 15 to 20 kg of urea per mu; second, spraying 0.5% urea solution, 0.3% potassium dihydrogen phosphate solution or other organic foliar fertilizer; third, spraying garlic in the early stage of garlic expansion, each The acre is sprayed with 200 ml of water and 40 to 50 kg of water.
Prevention and control of pests and diseases Garlic is prone to soft leaf rot, leaf blight, rust and other leaf diseases in the middle and late growth stages. Among them, soft rot is a bacterial disease, and it is necessary to spray copper hydroxide, succinic acid, acid and copper in the early stage of the disease. Leaf blight mostly occurs at the tip of the leaf, preventing the disease from being drained in time after rain, and spraying bactericides such as chlorothalonil and metalaxyl in the early stage of the disease. Prevention and control of rust should pay attention to prevent flooding of large water, and timely spray triadimefon and other drugs in the early stage of the disease.
Timely harvesting is the timely harvest of garlic. Garlic, which is mainly based on harvested garlic, is 15 to 18 cm long in garlic, curved like a scale hook, and the cockroach is obviously inflated, and the color is harvested when the color turns from green to white. The second is to harvest garlic at the right time. For sale with dried garlic, the leaves at the base of the plant are dry, the pseudo-stalks are soft, and the toughness is harvested when the force is pressed to one side, and is generally harvested about 20 days after the picking. Listed with fresh garlic, it is generally harvested 5 to 7 days earlier than the harvest of dried garlic to maintain crisp quality.
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