Ingenious method for weak fertilization of fruit soft root system

Continue to increase organic fertilizer

Although the soil organic matter content is in the appropriate range, the content is not high. It is still necessary to continue to apply organic fertilizer during production. It is recommended to increase the amount of organic fertilizer in the base fertilizer before planting the next vegetable, and increase the application of commercial organic fertilizer or decomposed manure. For this crop, it is recommended to use commercial organic fertilizer or bio-organic fertilizer together with microbial inoculants and other microbial fertilizers to accelerate the decomposition and transformation of organic matter, so as to quickly increase the content of soil organic matter and alleviate the degree of soil salinization. Good root maintenance.

Reduce the amount of phosphorus and potash fertilizer

Whether it is base fertilizer or top dressing, use low-phosphorus and low-potassium fertilizers, or appropriately reduce the amount of phosphorus and potassium fertilizers according to the growth of the plants, and choose products with high absorption and utilization rate. The dosage is small and the plants absorb quickly. There is also little loss in the medium to avoid the accumulation of inorganic nutrients in the soil. But******Do not use fertilizers that use sulfate as raw materials such as potassium sulfate and ammonium sulfate to prevent the soil's effective sulfur content from continuing to increase. When the content of available phosphorus, available potassium, and available sulfur in the soil is restored to an appropriate range, fertilizers are selected and used according to the characteristics of the plants' fertilizer requirements.

Timely supplement of trace elements

In normal management, we must pay attention to the supplement of trace elements. For example, spraying chelated calcium, magnesium, or trace element foliar fertilizer on the leaves can increase the absorption rate of the leaves, and the nutrients are not easy to lose. It is an effective way to quickly supplement the trace elements, which can prevent the occurrence of nutrient deficiency and relieve the plant Yellow heads, yellow leaves, navel rot, and promoting flowering and fruit setting have good effects. Before planting the next vegetables, you can supplement calcium by applying calcium fertilizer, such as lime, 30 kg to 50 kg per mu; for the supplement of magnesium fertilizer, a slow-acting magnesium fertilizer, such as magnesium oxide, should be used in acid soil. At 10 kg to 13 kg per mu. Magnesium fertilizer should be mixed and sprayed with other chemical fertilizers or organic fertilizers before plowing or sprayed separately after mixing with fine soil.

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