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一、影响有效施肥的因子正确施用肥料才能充分发挥肥效。施肥的效益取决于每单位养分的实际成本、植株的吸收效率以及投资的收益。必须针对作物、土壤、环境的要求,适时适量地施用相宜的肥料,而且必须经济上合算。为了达到上述目的,施肥时必须考虑以下因子:1.养分的类型和来源;2.肥料的配方;3.施肥的位置;4.用量和次数;5.施肥时间。
First, the factors affecting the effective application of fertilizers fertilizers in order to give full play to fertilizer. The benefits of fertilization depend on the actual cost per unit nutrient, the plant’s absorption efficiency, and the return on investment. Must be suitable for crop, soil, environmental requirements, timely and appropriate application of appropriate fertilizer, and must be economically cost-effective. In order to achieve the above objectives, the following factors must be considered when applying fertilizers: 1. Types and sources of nutrients; 2. Formulas for fertilizers; 3. Position of fertilizers; 4. Amount and times; 5. Fertilization time.