According to the demand of tea tree for nutrients, the five principles should be mastered in the application of tea tree fertilization. Weigh organic manure, combine organic manure with inorganic manure; combine basic manure with basal manure combined with topdressing; heavy spring manure, combine spring manure with summer and autumn manure; combine nitrogenous manure with combination of phosphorus and potash; Fertilizer, combined with root fertilizer and foliar fertilizer.
Tea tree fertilization also needs four observations, "Look at the sky, see trees, see soil, see fertilizer." To see the sky is to fertilize the weather. During the production of famous teas in the early spring, the weather is changeable. If urea is used to catch heavy rain on the second day, urea will be lost in a large amount. This must be followed up, and the application of ammonium sulfate and ammonium bicarbonate will not rain immediately after application. It will lose a lot of water, but the effect of fertilization will be better. To see the soil is to fertilize according to the characteristics of the soil. Acid soil tea gardens are best not to use acidic or physiological acidic fertilizers. Neutral soil tea gardens are best to use acidic or physiological acidic fertilizers. Sandy heavy tea gardens should use lake mud, pond mud, and pig manure. Earthy heavy tea gardens should be given more hay, sheep manure, rabbit feces and so on. Seeing trees is based on the variety and growth of trees to fertilize. Early buds are caught early and late buds are late. Fertilizer is fertilized according to the characteristics of fertilizers. Ammonium bicarbonate is prone to bursts of hair. It should be applied in a strict and strict manner. It can also be mixed with superphosphate and reduce volatilization. Urea and compound fertilizers should be applied early and they must be kept in strict condition. It is preferable not to apply chlorine-containing fertilizers; that is, or to apply them, but also to apply them in small amounts.
When fertilizing, you should pay attention to the following three aspects. 1, organic fertilizer must be fully cooked. It is best to use a professional starter (such as a goldfish starter) for processing. Not only can reduce the loss of nutrients, but also can completely remove organic bacteria harmful bacteria, eggs and other harmful substances. 2, the application of microbial fertilizer. Biological bacterial fertilizer not only contains a large number of nitrogen-fixing, phosphate-solubilizing, and potassium-releasing active bacteria, but also contains organic matter, humic acid, and trace elements, and can be applied in combination with other fertilizers in any fertilizer period of tea plants. High-quality fungus fertilizers, such as Kumba fungus fertilizer, can not only save the amount of fertilizer used, but also can solve soil compaction, increase soil microbial content and other issues. 3, spraying seaweed fertilizer. Goldfish algae powder type microbial agent (0.5kg/mu) was watered, the supernatant was taken for foliar spray, and the residue was applied to the root. On a cloudy or late evening, spray on the back of the leaf.
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