Lotus fertilizer should pay attention to what

Mr. Zheng from Yichang, Hubei, and Mr. Zhou from Kunming, Yunnan, asked what should be paid attention to when fertilizing lotus roots.

A: The growth and development of lotus roots are divided into three stages: the budding stage, the prosperous period, and the scarring stage. Germination appears from the sprouting of the plants to the standing leaves. The new roots are formed in the rear leaves of the leaves, mainly through the storage of nutrients; long-term cultivation of leaves from the plants to the beginning of the scab, with a large demand for nutrients, is the critical period for top dressing; from the scab to the harvest, and Lotus seeds developed synchronously, nutrient absorption decreased, and most stem and leaf nutrient transferred to lotus root and lotus seeds. According to this, a total of three fertilizers should be applied: Before transplanting basal fertilizer into the field, the general Mushi rotted high-quality farmyard fertilizer 2000 to 3000 kilograms, general-purpose compound fertilizer 40 to 50 kilograms. There are 2 top dressings: the first time is the vertical leaf fertilizer. When there are 3 to 5 vertical leaves in the field, 25 to 30 kg of N and P type compound fertilizers are applied in Mushi, and when the second time is Mantian Yezi, nitrogen is applied to M. 30 to 35 kg of compound fertilizer. (Sinochem Fertilizer Senior Advisor, Professor Wang Xingren, China Agricultural University)

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