1, excess nutrients affect the effect of fertilization, the lack of a certain element of the plant will produce physiological barriers, affecting normal growth, but if an element is in excess, it will affect the absorption of other elements, the same will make the plant growth blocked.
2. The pH value affects the exertion of the fertilizer effect: The PH value ranges from 5.5 to 6.5. The fertilizer effect exerts the best. For example, iron, copper, manganese, zinc and other nutrients are the most effective when the PH value is less than 6.
3. Fertilizer effects are exerted in different growth stages: Nitrogen is the main fertilizer in the vegetative growth period, and N, P, K, and trace elements are equalized in the fertilizer; the flower bud differentiation and flowering stage are mainly phosphorus and potassium-based fertilizers to promote root development and flowering.
4. Different physiological characteristics of plants affect the performance of fertilizers: When using special fertilizers, the corresponding types of water-soluble fertilizers should be used according to the actual physiological conditions.
5, different media affect the effectiveness of fertilizer play: soil cultivation and soilless cultivation, fertilizer formulations are different.
6. Different water quality affects the exertion of fertilizer effect: acidic fertilizer is applied in hard water area, and calcium magnesium fertilizer is regularly added in soft water area.
7, fertilization time affect the exertion of fertilizer effect: the best time for fertilization is before 10 o'clock in the morning and after 4 o'clock in the afternoon, to avoid fertilization under strong sunshine at noon, to avoid fertilization on rainy days.
8. Fertilizer types affect the exertion of fertilizer effects: Different plants, different growth phases use different formulas of fertilizers, slow-release fertilizers and water-soluble fertilizers are applied in combination, root application and foliar spray application are combined, and targeted fertilization can reduce costs. Improve fertilizer efficiency.
9. The imbalance of fertilizer content affects the exertion of fertilizer effect: Scientific fertilization is to enable each element to promote each other's absorption and avoid antagonism.
10, the test is not allowed to affect the performance of fertilizer: it is best to have a reliable quality PH meter and EC meter regularly monitored.
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