First, strengthen fertilizer and water management
In combination with watering, the nutrition of the watermelon plant is supplied by a method combining the top root fertilizer and the above-ground foliar spray fertilizer solution. The root topdressing urea 25-30 grams per plant, spraying 0.3% urea or potassium dihydrogen phosphate aqueous solution.
Second, improve the root absorption function
When watermelon roots are stunted or suffer from certain pests and diseases, premature aging is often caused. If pests in the roots of the soil are found, use a 2500-3000 times solution of 50% phoxim EC to irrigate the roots, 200-250 ml per strain. If it is the physiological disease caused by the imbalance of water, gas, temperature and other conditions in the soil, it is necessary to strengthen the cultivating loose soil, make the soil loose, good ventilation, and the root absorption function will be improved quickly.
Third, reasonable pruning and retaining melon
The good growth of vine leaves is the basis for good growth of flowers and melons. To achieve high yields, we must have a certain leaf area. If the whole plant is too heavy or if there are more melons per plant, the vegetative growth will be greatly reduced. Therefore, it is the key to prevent premature aging of watermelon and obtain high yield.
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