How to manage green pepper before harvest?

1, pre-harvest management

After the green pepper is colonized, the ground temperature is low in the early stage, and the root absorption capacity is weak, and measures of "big promotion and small control" should be adopted. That is shallow watering, early fertilizer. Work intensively and lightly. After planting water, see wet and dry cultivars, loose soil, increase ground temperature, and promote root growth. After 8 to 10 days, pour the second water again, and perform deep ploughing (about 7 cm). The roots are slightly shallower and deeper away from the plants to increase the permeability of the soil and increase the soil temperature.

If the seedlings are yellow, the growth potential is weak, and appropriate fertilization (in conjunction with the second water) can be performed. Per acre of water with the decomposed human fecal urine 500 kilograms or 7-8 kilograms of urea, also called Miao Fei. The purpose is to strive to slow the development of seedlings and to raise their roots quickly.

After the second time of irrigating with water, the seedlings are started, which controls the water and promotes the development of the root system to deeper, reaching the deep roots and leaves. If the water and fertilizer are too much at this stage, the plants are prone to cause leggy and the fruit setting rate is reduced. The seedling period can be about one week.

In recent years, the production of green peppers has been reduced year after year, and the long seedling period is a reason. When sweet peppers enter the flowering stage, their flowering and fruit setting are related to the humidity of the air. Therefore, timely watering after the seedlings can not only increase the soil moisture, but also increase the air humidity in the fields. Help flowering fruit set.

When the first layer of fruit grows to large beans, the stems, leaves and flowers of plants grow at the same time. Watering and topdressing should be done in time. The amount of excrement per person can be 500-1000 kg or 10-15 kg of urea. Promote seedlings robust, prevent falling flowers. After the fertilizing, the land is cultivated in time when it is white, so as to improve the permeability of the soil and increase the soil fertility.

2, the management of fruit period

During the fruit period, the temperature gradually increased, rainfall increased gradually, and diseases and insect pests occurred one after another. This is a critical period for determining the yield. If the early growth is not good and the medium-term management is not good, the growth of the seedlings will be stagnant, the virus disease will occur quickly, and the fruits will not be enlarged. Rapid decline in yield, severe yellow seedlings, shrinking, almost no yield. In order to prevent premature senescence, peppers must be harvested in time, watered in time to maintain soil moisture, and promote fruit recovery, and strive to seal ridges before the high temperature season. Before rooting, soil should be rooted and fertilized.

3, high temperature rainy season management

Excessive surface temperature will inhibit the normal growth of green pepper roots. Therefore, we must always keep the ground moist. Watering methods should be used for groundwater pouring and light pouring. That is, each watering volume should not be too large, and the watering interval should be shorter to protect the root system from over-summer, so that the plant growth can be restored after high temperature. The second flowering fruit set peak.

Roots of green peppers are afraid of picking up water and avoid water accumulation. In the rainy season, when the soil is accumulated for a few hours, the roots of green peppers will suffocate, and the plants will wilt and form a root cause. Therefore, the drainage ditch should be dredged before the rainy season to drain the rainwater in time. A sudden sudden rainstorm in a sunny day or a storm after a long period of rain can easily cause a decrease in soil air and cause wilting of plants. Therefore, water should be poured in a timely manner after the rain, with the row with the cast, in order to reduce soil moisture, increase soil permeability, prevent the root system from weakening.

4, the results of late slow recovery and rejuvenation management

After the high-temperature rainy season, the temperature is cool in August-September, and sunshine is sufficient. It is gradually suitable for crop growth. It is the peak period for the second flowering and fruit setting of green peppers. Therefore, it is necessary to strengthen the management of fertilizer and water, promote new branches, increase the number of results, and increase the yield in the later period. Alternately with watering, after 1-2 times of watering, topdressing a quick-acting chemical fertilizer, 10-15 kg per mu, pouring water every 7-8 days. Decomposing fecal lean water can also be applied.

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