With the arrival of the rainy season, the increase in rain and rainfall, due to the concentration of rainfall and more rainfall, often result in over-humidity of farmland or farmland water accumulation, which results in poor ventilation of the soil and affect the growth of root systems of plants. Drain in time.
The moisture in the soil in the vegetable field is saturated for a long period of time, which makes it easy for the root system to be in an oxygen-deficient state, resulting in the invasion of roots and soil-borne diseases, leading to the emergence of "dead trees." Open-air cultivation of leafy vegetables should be protected against rain and timely harvesting. During the period of concentrated rainfall, attention should be paid to irrigation and flood prevention to prevent water accumulation and cause rooting. When harvesting standards are met, timely harvesting is needed to prevent rain rot and reduce commodity value.
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