How to apply organic fertilizer to organic grapes
Fertilization time Early and middle-ripening grapes can be applied after harvesting. Late-ripe grapes can be applied before harvesting, and it is better to apply them at the latest in early October.
The fertilization method is applied along the fixed line to open a ditch 30 cm wide and 60 cm deep. Topsoil and raw soil are open. Before fertilization, first fill a layer of topsoil (about 10 cm), 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.
Organic grape base fertilizer must be fertilized, especially chicken manure, should avoid damage to the roots. After fertilization, water should be poured once, and the vineyard with a yield of 2000-3000 kg per mu can be applied to 4000-5000 kg of base fertilizer. Fertilization on the scaffolding should be carried out in the direction of vine growth from the inside to the outside. The base fertilizer can not always be applied in one place, which is easy to cause root growth to be blocked and rot and die.
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