Prevention and control of sunburn watermelon in spring
Symptoms: watermelon fruit exposed to the hot sun, the fruit surface temperature is very high, fruit tissue burns and necrosis, forming a dry scar. Etiology: sun fever is related to varieties, and varieties with dark skin color are easy to occur, followed by barren soil in hilly areas, poor vegetative growth of plants, few rattan leaves and exposed fruits. Prevention and control measures: early application of nitrogen fertilizer to promote growth, fruit cover grass sunscreen.
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Symptoms and control of fleshy watermelon in spring
Symptoms: watermelon fruit exposed to the hot sun, the fruit surface temperature is very high, fruit tissue burns and necrosis, forming a dry scar. Etiology: sun fever is related to varieties, dark skin varieties are easy to occur, followed by barren soil in hilly areas, poor plant vegetative growth, few rattan leaves and fruit exposure.
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Skillful Prevention and Control of split Watermelon in Spring
Watermelon fruit cracking can be divided into field fruit cracking and harvest fruit cracking. The cracking of fruit in the field is caused by the sudden change of soil conditions. If in the fruit development certain stage soil moisture is little, the fruit development is blocked, suddenly meets the rain or pours the flood, the soil moisture increases sharply, causes the fruit to expand rapidly and crack the fruit.
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