After entering the spring, garlic began to enter the period of greening growth, and many plots in the spring appeared dry tips, yellow leaves, and weak growth. So, how does spring make garlic grow faster and make garlic grow better and produce more? The old farmers shared their management experience in the harvest of garlic.
First, pouring back the green water
In early spring, the temperature rises and the seedlings grow. At this time, the watering of the garlic field depends on the condition of the soil. Watering in early spring should not be too early. The number of watering should not be too diligent to prevent the ground temperature from being lowered due to watering and affecting the early onset of garlic.
The time for pouring back to Qingshui can generally be selected after the “shock†temperature rises. The timing of watering and the amount of watering should be flexibly controlled according to the lyrics: 1 In winter, there is more rain and snow, the temperature rises slowly, the sensation is better, and the garlic grows too much. The garlic field can be properly poured and poured back to Qingshui; 2 the garlic and land with less rain and snow in winter, too fast temperature, sensation and poor seedlings, try to pour as much as possible and pour back to Qingshui.
In addition, as the saying goes, "April garlic, water station", when the garlic enters the rapid growth period in April, it is necessary to keep the soil moist until 5-7 days before harvest.
Second, spring garlic management technology
1. Management of the rejuvenation period: After the convulsions, the garlic will return to green, and it should be watered and fertilized in time. Combined with watering, the application of diammonium phosphate is 20 kg per mu or 25 kg of ternary compound fertilizer.
Then carry out the shallow hoe loosening, warming and protecting. Before the Qingming Festival, the yellow tip phenomenon appears in the leaves. It is necessary to carry out the second top dressing in time and increase the number of watering. Generally, watering should be done once every 10-15 days to promote plant growth.
2, the management of garlic growth period: in early May, garlic began to differentiate, after the summer, garlic sputum into a prosperous growth period, this period to increase fertilizer management. When the garlic clams are not extended, the third top dressing should be carried out, and 25 kg of ternary compound fertilizer should be applied. After the garlic stalks extend out of the leaf, it is necessary to continuously water the water, and promote the sputum with water. Before and after the cultivating of the stalks, the garlic should be bent and bent.
3, the management of the bulb expansion period: after picking, the garlic flap begins to expand, the water demand increases, watering should be timely, keep the soil moist, prevent premature aging; stop the watering 5-7 days before the garlic harvest, in case the soil moisture is too large, The garlic cloves rot and the garlic is loose.
Third, apply good green fertilizer
After the convulsions, the garlic enters the critical period of rapid greening, growth and development, and the demand for nutrition is relatively high. It should be combined with the return of Qingshui to apply the green fertilizer. But we must grasp the following principles:
1 In the early stage, the application of nitrogen fertilizer was mainly applied, and 15 kg of urea could be applied per acre to promote the rapid return of garlic seedlings, rapid planting and strong seedlings;
2 After April, increase the amount of fertilization appropriately, and apply 20 kg of urea or 25 kg of compound fertilizer with higher nitrogen per mu.
3 When garlic enters the growth stage of garlic, the topdressing should be based on phosphorus and potassium fertilizer, and 25 kg of compound fertilizer with higher phosphorus and potassium per acre can be used;
4 For the garlic field where the yellow tip of the leaf appears before and after the Ching Ming Festival, the second top dressing should be carried out in time, and the number of watering should be increased. Watering can be done every 10 days to promote the growth of the garlic plant.
Fourth, strengthen the prevention and treatment of garlic pests and diseases
In the spring, while doing water and fertilizer management, we must also do a good job in the prevention and control of pests and diseases of garlic. At this time, the main pests and diseases are as follows:
1 leaf blight: can be controlled by carbendazim, 70% mancozeb WP 600 times solution or 90% ethyl phosphorus aluminum 500 times solution;
2 purple spot disease: can choose 64% anti-virus WP WP 500 times solution, or 50% bactericidal WP 600 times solution;
3 Garlic root sputum: The hazard began to appear in April, with 20% imipenem sulphur phosphorus applied with water.
4 Insect pests are mainly thrips, which can be sprayed with 800 times liquid of Lego emulsifiable concentrate. In addition, it is necessary to prevent mites and locusts.
In addition, spraying foliar fertilizer every 10 days from April can greatly reduce the probability of yellow leaves and diseases.
Friendly tips:
1 After the summer, the garlic stalks enter the vigorous growth period. In this period, the demand for fertilizer and water is relatively large. The garlic should be topdressed when the garlic stalks are not extended. After the garlic stalks extend out of the leaves, water should be continuously watered to promote the sputum. When the garlic is bent, it is necessary to promptly raise it.
2 After the garlic is picked, it enters the critical period of the bulb expansion period. At this time, the garlic flap begins to expand and the water demand increases. It is necessary to timely water the soil to keep the soil moist to prevent premature aging.
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