Lotus root is a vegetable that grows in water. Its flowers have a high ornamental value, and the planting area is gradually increasing, which is very popular among consumers. In the process of planting lotus roots, fertilization is the most important, so how to apply fertilizer? What are the precautions?
First, the need for fertilizer characteristics
Lotus roots are hot and cold, like water and drought, and like fertilizer and fertilizer. Soil loam with high soil organic matter content, softening and loosening, and deep soil permeability. Lotus roots emerge from the bud to the lobes, starting with new roots, mainly relying on the stored nutrients. The long-term demand for nutrients in the long-term is a critical period for topdressing; in the crusting period, the lotus roots and the lotus seeds develop synchronously, the nutrient absorption decreases, and the nutrients of the stems and leaves are transferred to the alfalfa and lotus seeds.
Second, the fertilization method
1. Apply enough base fertilizer: base fertilizer can improve soil and fertilize soil.
Creates good soil conditions for the growth of lotus roots and provides continuous and adequate nutrients. Generally, the soil with high organic matter content, softening and loosening, deep soil permeability, and convenient irrigation and drainage are selected.
2. Reasonable topdressing: The lotus roots are topdressed 3 times during the whole growth period.
The first time is applied in 1~2 pieces of standing leaves (25~30 days of planting), combined with cultivating and weeding, 25~30 kg of high-nitrogen compound fertilizer per acre, and 30 kg of organic-inorganic compound fertilizer.
The second time is applied in 5~6 leaves (40~50 days after planting, that is, when the line is closed), and 30~35 kg of high-nitrogen potassium compound fertilizer is applied per acre.
When the third top dressing appears in the end of the leaf, it begins to scar, which is to trace the fat, and apply 15-20 kg of high potassium compound fertilizer per acre.
Third, matters needing attention
1, shallow water sloping field, should choose sunny and windless weather fertilization, avoiding noon in the hot sun, put water before fertilization, shallow water fertilization, re-watering two days after fertilization to restore the water layer.
2, in the deep water field, in order to prevent the fertilizer from floating, it should be made into a fat mud group.
The above is the fertilizer characteristics, fertilization methods and precautions of lotus root. If you want high yield of lotus root, fertilization is the key. Farmers can master the above fertilization points and scientific fertilization. I hope the above can help farmers.
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