How to carry out water pollution management of pollution-free beans, the result is the beginning of the whole pod period: When the first flower market flowers the pod, after several inflorescences appear, it is necessary to pour the foot water. After the head water, the middle and lower pods are elongated, and the middle and upper inflorescences are re-irrigated for a second time. After entering the pod-forming period, watering can be done to obtain high yield. Harvesting period, with water topdressing once, acre of high-quality quick-acting fertilizer, diammonium 50 kg or potassium dihydrogen phosphate 40-50 kg.
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