Autumn green onion field Raiders
In order to increase the yield of green onions, it is necessary to grasp three points after the autumn, in order to ensure that the green onions grow robustly, the roots are thick and strong, and the main stems are long and strong.
First, timely fertilization and watering. When the growth of the onion plants is accelerated after the beginning of autumn, the "leaf-leaf fertilizer" is pursued to promote the growth of the leaves. After the white dew, it will enter the period of growth of scallions, which is the key period for the formation of green onion. It should be combined with watering to apply the “grain-fighting fertilizer†twice, and cooperate with the agricultural news of the spraying field to promote the positive energy of plant ecological growth. Broaden the plant conduit path, increase the water absorption and fertilizer absorption of plants, and improve fruit yield and quality. After shallow cultivating, watering is usually carried out 2 times - 3 times. The watering is based on the principle that the soil on the ridge is dry and the soil in the ditch is moist.
Second, timely cultivation. Green onions grow fast, it is necessary to rely on the soil in time to make the onions grow fast and strong, can be divided into 4 times - 5 times to cultivate the soil, each height of the soil can not be buried in the heart. Too shallow soil is not conducive to the rapid growth of white onion stems, too much soil caused by rotten heart, the formation of reduced yield or yellowing of leaves.
Third, timely pest control. Onion pests and diseases include downy mildew, black mold, purple spot disease, leaf miner, root lice and so on. When using the drug, it is necessary to select a highly targeted agent to be used together with the new high-fat film to improve the control effect and reduce the amount of the pesticide.
After the beginning of autumn, it is an important period for the growth of vegetables. The focus of the management of green onion field is to promote roots, strong trees and soften the soil, strengthen the management of fertilizer and water, and create suitable environmental conditions for the formation of scallion, thereby increasing the yield and quality of green onions.
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