Basal fertilizer is adequately applied
If a large amount of fertilizer, such as rice husk manure, chicken manure, commodity organic fertilizer, compound fertilizer, and trace element fertilizers, etc., is applied before the planting of vegetables, sufficient base fertilizer is available, and the nutrients in the soil can fully meet the growing needs of the vegetable seedlings. There is no need to apply fertilizers such as NPK in the seedling stage. Because after planting vegetables, some organic fertilizers or chemical fertilizers are gradually decomposed by the soil microorganisms, releasing the nutrients that can be directly used by the vegetable roots. If the fertilizer is then top-dressed with water, the base fertilizer decomposition plus top dressing will cause a large amount of nutrients to accumulate. In the rhizosphere of tender vegetables, not only will they not be absorbed by the root system, but will also cause root nutrient backflow, resulting in root injury. At the same time, if more nitrogen fertilizers are used during the seedling stage, it may also result in prolonged vegetable seedlings, long jointing of the plants, and shallow roots under the roots. The main consequences of plant growth are poor flower bud differentiation and delayed flowering. . Of course, after the colonization of autumnal vegetables, due to the weather and other reasons, the crop slows slowly, and it can be applied to Fang Rungenjia as appropriate, and radiant fertilization, etc. in order to improve the soil environment and promote the slow seedlings and deep rooting. Prevent disease and strong trees.
Insufficient use of basal fertilizer
Some farmers stopped planting vegetables directly after planting crops in the Shangyu crop, and some new shed vegetables were often underutilized. Under these circumstances, fertilizers should be applied at the seedling stage of crops to ensure sufficient nutrients for the seedling growth of the crops, to avoid growth and development, and to reduce disease resistance and resilience. The appearance of the plants is slow seedlings, slow growth and delay, and flower buds. Poor differentiation, susceptible to dead seedlings. Insufficient basal fertilizer. Seedlings of vegetables should be promptly applied to all water-soluble fertilizers, such as Le Bar, Fang Run, etc., 5-8 kg per mu.
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