The knowledge of fertilization in coffee planting. Do coffee trees need fertilization? How to fertilize? What kind of fertilizer?

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In view of the fact that the soil in the coffee garden is not managed by pesticides and similar "natural agricultural methods", there are abundant microorganisms that can effectively help coffee trees absorb various amino acids. therefore, we should make good use of the "weeds" cut three or four times a year and the "branches and leaves" of twice pruning coffee branches as "mulch" to make the coffee garden land have good mulch, so as to regulate soil temperature, maintain soil moisture and increase available nutrients. To stabilize coffee production and reduce soil was brushed by Rain Water. However, in the control group, compound fertilizer (mixed with organic fertilizer and chemical fertilizer in a certain proportion) was added to supplement the nutrients of coffee trees before the rainy season, so that coffee trees grew well and had better fruit quality. the conclusion is that the growth of coffee trees must be inspected at any time, and it is found that under the following circumstances, an appropriate amount of compound fertilizer must be added to replenish the nutrients of coffee trees before the rainy season. Instead of not fertilizing at all:

(1) in the case of nitrogen deficiency, the base of the leaf is yellowish, gradually extending to the edge of the leaf and the whole leaf. Coffee trees do not grow strong, which will affect flowering and fruiting.

(2) when phosphorus is deficient, the leaf surface is brass, and when it is serious, the leaf edge is decadent. (phosphorus contributes to the formation of coffee fruit)

(3) in the case of potassium deficiency, brown spots appear on the edge of the leaves, then extend to the center, and eventually dry up and fall off. Although the blossom is normal, the fruit is not good. Potassium is very important for the growth of carbohydrates in coffee trees, because carbohydrates are saccharified after being roasted at high temperature, which is the source of delicious coffee.)

(4) when calcium is deficient, the chlorophyll between the leaf margin and the main vein declines and becomes golden yellow gradually, resulting in a significant decrease in the formation of flowers and fruits. In serious cases, the fruit kernels (coffee beans) are not solid or even exhausted.

(5) in the case of magnesium deficiency, the leaf edge and tip show decadent spots, what is more, the spots are connected into a surface, and finally fall off, reducing flowering.

(6) when zinc is deficient, zinc can promote the growth of plants. If zinc is deficient, the growth and flowering of coffee trees are not sound.

Recalling that in the early days, when maintaining ecological richness and stable coffee production, I did not think deeply about the issue of fertilizer management, but blindly wanted to manage it completely with natural agricultural methods. As a result, many coffee trees were faced with malnutrition and threatened with wilt and death. Fortunately, I made a comparison with the control group at that time, and applied an appropriate amount of compound fertilizer according to the growth records and yield data of coffee trees. Coupled with the favorable factors such as making good use of the "weeds" cut three or four times a year and the "branches and leaves" of the second pruning coffee branches as "mulching", so that the dew and decomposing nutrients from shade, weeds and withered branches are adequately provided to the coffee trees and other favorable factors, so far this year, there is no embarrassment caused by the death threat of coffee trees last year. Here, we provide a reference on fertilization management for ecological managers who intend to use this kind of woodland and coffee plantations to coexist.

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