Correct and reasonable fertilization is a necessary measure to ensure the increase of yield and quality of tea gardens and promote the growth of tea trees. There are two methods: root fertilization and foliar fertilization. Root fertilization has basic fertilizer and topdressing, and foliar fertilization is mainly used for topdressing.
According to the demand for nutrients in tea trees, tea tree fertilization should master the five principles. Heavy organic fertilizer, combined with organic fertilizer and inorganic fertilizer; heavy base fertilizer, combined with base fertilizer and topdressing; heavy spring fertilizer, combined with spring fertilizer and summer and autumn fertilizer; heavy nitrogen fertilizer, combined with nitrogen fertilizer and phosphorus, potassium fertilizer; Fertilizer, the combination of root fertilizer and foliar fertilizer.
Tea tree fertilization still has to look four times, "Look at the sky, look at the trees, see the soil, see the fat." Seeing the sky is to fertilize according to weather changes. During the production of famous spring tea in early spring, the weather is changeable. For example, when the urea is applied to the second day of heavy rain, the urea will be drowned in a large amount. This will have to be replenished, and the ammonium sulfate and ammonium hydrogencarbonate will be applied, and it will not rain immediately after application. Will be a lot of leaching, fertilization effect will be better. The soil is fertilized according to the characteristics of the soil. The tea garden of the acid soil is preferably not acidic or physiologically acidic. Neutral soil tea gardens are best used with acidic or physiological acid fertilizers. The tea garden with heavy sand content should be applied to lake mud, pond mud and pig manure. Tea gardens with heavy soil weight should be applied with grass ash, sheep feces, rabbit feces, etc. Looking at the tree is based on the variety and growth of the tree. Early buds should be chased early, and late buds should be chased later. Seeing fertilizer is based on the characteristics of fertilizers, ammonium bicarbonate is easy to burst, should be applied deep, while applying the side cover, can also be mixed with superphosphate, which will reduce the volatilization. Urea and compound fertilizers should be applied early and applied tightly. It is preferred not to apply a chlorine-containing fertilizer; that is, to apply it, it should also be applied in small amounts.
The following three aspects should be noted when applying fertilizer. 1. Organic fertilizer must be fully decomposed. It is best to use a professional starter. Not only can it reduce the loss of nutrients, but also completely eliminate the harmful substances such as pathogens and eggs in organic fertilizer. 2. Application of microbial fertilizer. The biological bacterial fertilizer not only contains a large number of nitrogen-fixing, phosphorus-dissolving and potassium-dissolving active bacteria, but also contains organic matter, humic acid and trace elements, and can be applied in combination with other fertilizers in any fertilizer season. High-quality bacterial fertilizers, such as microbial fertilizers, can not only save fertilizer use, but also solve soil compaction and increase soil microbial content. 3. Foliar sprayed seaweed fertilizer. The seaweed powder type microbial agent (0.5 kg/mu) was mixed with water, and the supernatant was taken for foliar application, and the residue was applied to the root. On cloudy or evening, spray on the back of the leaves.
According to the demand for nutrients in tea trees, tea tree fertilization should master the five principles. Heavy organic fertilizer, combined with organic fertilizer and inorganic fertilizer; heavy base fertilizer, combined with base fertilizer and topdressing; heavy spring fertilizer, combined with spring fertilizer and summer and autumn fertilizer; heavy nitrogen fertilizer, combined with nitrogen fertilizer and phosphorus, potassium fertilizer; Fertilizer, the combination of root fertilizer and foliar fertilizer.
Tea tree fertilization still has to look four times, "Look at the sky, look at the trees, see the soil, see the fat." Seeing the sky is to fertilize according to weather changes. During the production of famous spring tea in early spring, the weather is changeable. For example, when the urea is applied to the second day of heavy rain, the urea will be drowned in a large amount. This will have to be replenished, and the ammonium sulfate and ammonium hydrogencarbonate will be applied, and it will not rain immediately after application. Will be a lot of leaching, fertilization effect will be better. The soil is fertilized according to the characteristics of the soil. The tea garden of the acid soil is preferably not acidic or physiologically acidic. Neutral soil tea gardens are best used with acidic or physiological acid fertilizers. The tea garden with heavy sand content should be applied to lake mud, pond mud and pig manure. Tea gardens with heavy soil weight should be applied with grass ash, sheep feces, rabbit feces, etc. Looking at the tree is based on the variety and growth of the tree. Early buds should be chased early, and late buds should be chased later. Seeing fertilizer is based on the characteristics of fertilizers, ammonium bicarbonate is easy to burst, should be applied deep, while applying the side cover, can also be mixed with superphosphate, which will reduce the volatilization. Urea and compound fertilizers should be applied early and applied tightly. It is preferred not to apply a chlorine-containing fertilizer; that is, to apply it, it should also be applied in small amounts.
The following three aspects should be noted when applying fertilizer. 1. Organic fertilizer must be fully decomposed. It is best to use a professional starter. Not only can it reduce the loss of nutrients, but also completely eliminate the harmful substances such as pathogens and eggs in organic fertilizer. 2. Application of microbial fertilizer. The biological bacterial fertilizer not only contains a large number of nitrogen-fixing, phosphorus-dissolving and potassium-dissolving active bacteria, but also contains organic matter, humic acid and trace elements, and can be applied in combination with other fertilizers in any fertilizer season. High-quality bacterial fertilizers, such as microbial fertilizers, can not only save fertilizer use, but also solve soil compaction and increase soil microbial content. 3. Foliar sprayed seaweed fertilizer. The seaweed powder type microbial agent (0.5 kg/mu) was mixed with water, and the supernatant was taken for foliar application, and the residue was applied to the root. On cloudy or evening, spray on the back of the leaves.
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