How to manage the growth period of garlic

The management of garlic growth, especially after the return period, is directly related to the yield and quality of garlic.

First, return to the management of youth

In late February, the weather became warmer, the seedlings returned green, and the lower part began to grow adventitious roots. Garlic sprouts and garlic sprouts began to differentiate. This ensured robust growth of seedlings and accumulated nutrients for the differentiation of garlic sprouts and garlic heads. This was the key to winning high quality and high yield of garlic. According to the results of the second survey of the province's soil, the annual heavy-grain cultivation in the main garlic producing areas of our province caused the relative lack of trace elements (iron, copper, manganese, zinc, magnesium, molybdenum, boron, cobalt, etc.) and calcium in the soil. The lack of trace elements leads directly to the garlic plant is not robust and stunted. Severely, fungi and bacteria can invade and produce a variety of diseases, resulting in reduced production or even no harvest. This period of management measures: (a) cleaning the dust on the film. (b) timely repair damaged plastic film. (c) Remove the cover from the membrane. (4) spraying Herba No. 2 foliar fertilizer once at the beginning of March to supplement trace elements. (e) When the average daily temperature is stable at about 12°C, pour strong seedlings, pour with pure nitrogen 6-8 kg, and potassium dihydrogen phosphate 2 kg. If fungal leaf blight is found at this time, it is necessary to use 43% of Helik, plus 15 grams of Kangpei 2 at the beginning of the disease, spray evenly 30 kg of water, and even spray 2 times is better.

Second, convulsions management

With the increase of the number of garlic leaves and the expansion of the leaf area, garlic sprouts gradually elongate with the plants, to the flutter, the maximum leaf area, this time is the vegetative and reproductive growth. This period is the period when garlic needs water and the largest amount of fertilizer in a lifetime. The water demand accounts for 40% of a lifetime. At this time only the water is big enough to make the garlic sprouts grow thick and uniform, consistent from top to bottom. Management measures: The promotion is mainly based on the fact that the upper leaves are sprayed once every 10 days. About 70% of dumplings in garlic dumplings, with urea 20 ~ 22 kg, 10 kg diammonium.

Third, the rapid expansion of garlic management

After extracting the garlic sprouts, the top of the garlic was removed and the nutrients in the garlic quickly transferred to the ground. The garlic was rapidly expanding. The level of garlic production mainly depends on the size of the leaf area after the convulsions, how much the functional leaves are protected, the ability of the soil to provide fertilizer and water, and the root absorption function. This period of management measures: Frequent spray of Herba No. 2 foliar fertilizer, developed the root system, and absorbed more nutrients and moisture from the ground. As long as possible to extend the leaf function and root life, when convulsions as little as possible or not to hurt pseudo stems and leaves to protect the normal growth of the leaves. The surface is to be seen wet, and watering is stopped 5 days before harvest.

Fourth, timely control of garlic sprouts

Garlic pods are the main pests that harm garlic, and the migration of the adult worms is very strong. In order not to harm the garlic pods, uniform control of adult worms is the best. Control methods: In late April to early May, adult eclosion control and adult insecticides were killed and sprayed with sweet and sour liquid in the adult emergence period. Sweet and sour liquid (100 grams of brown sugar, 100 grams of vinegar, 25 grams of white wine, 90% of crystals, 10 grams of trichlorfon, 300 grams of water) Stir well, pour over sawn or bran, cover and seal, and open the lid in sunny weather. Adults are tempted and killed, and when the adult population increases rapidly, 80% of dichlorvos is sprayed to the field in time to control adult worms. When the larvae hazard meets the prevention and control standards, 48% of 500 Grams or 2 to 3 kg of bt emulsion can be used with water.

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