Autumn time
China's vast territory, the phenological period is very different, it is not easy to generalize the application of fertilizer time, but can be based on the maturity of the grape, generally determined. Generally speaking, the early and middle-ripening grapes can be applied after harvesting, and the late-ripe grapes can be applied before harvesting, and it is better to apply them at the latest in October.
Autumn application method
The groove-like application is generally applied along the colonization line. If the base fertilizer is applied for the first time after planting, a groove 30 cm wide and 60 cm deep may be opened outside the planting ditch. If the conditions are insufficient, at least the groove depth is 45 to 50 cm. When ditching, the topsoil and the raw soil are opened. Before fertilizing, first fill a layer (10 cm or so) of topsoil, then apply the base fertilizer and fill the topsoil. Then, stir the soil and fertilizer again, and finally backfill the soil with the raw soil to the ditch, and the remaining soil is used for watering.
This method is commonly used in old vineyards. That is to say, the base fertilizer is spread between the rows of grapes, and then ploughed. The advantage of this method is that it saves labor and time, and is affected by a wide range of fertilizers. The disadvantage is that the fertilization is too shallow and the amount of fertilizer must be increased.
Autumn Shiji fertilizer attention
1. Fertilizer must be decomposed and applied, especially chicken manure. 2. Avoid hurting the roots. 3. According to the fertilizer content of the soil in the garden, add lack of elements, especially some medium and trace elements, as appropriate. 4, must be poured once after fertilization. Generally, rainfall cannot replace watering. Only after heavy rain or heavy rain after fertilization can watering be omitted. 5. Discretion of the amount of fertilizer applied. Generally speaking, vineyards with an output of 2,000 to 3,000 kilograms per mu are generally applied with 4000-5000 kilograms of round fertilizer. 6, scaffolding fertilization, along the direction of vine growth year by year from the inside out of the ditch fertilization. 7, the base fertilizer can not be used in a place, otherwise it is easy to cause root growth is blocked and rotted and died.
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