1. The basic fertilizers applied in autumn are mainly organic fertilizers such as manure, compost and straw, supplemented by chemical fertilizers, so that the combination of soil improvement and support, delay and quick effect complement each other. When applying chemical fertilizers, pay attention to the ratio of nitrogen, phosphorus and potassium. It is not advisable to apply too much quick-acting nitrogen fertilizer, otherwise it will easily cause winter shoots. At the same time, it is necessary to apply trace elements in a targeted manner.
2. The base fertilizer for autumn application should be 2-3 months earlier than the winter base fertilizer, and should be carried out immediately after harvesting the fruit clearing.
3, the selected manure must be fully decomposed, it is strictly prohibited to use dry manure or fresh manure. At the same time, with appropriate amount of nitrogen, phosphorus, potassium quick-acting fertilizer, or use apple special fertilizer.
4, the fertilizer must be mixed with the soil in the ditch, applied to the root distribution layer (20-60 cm), so as not to burn roots.
5, the fertilization method can be applied by ditch, or can be applied by disk. When applying the ditch, excavate the circular, rectangular and curved fertilization ditch at the position of the canopy drip line. The ditch depth is 40-50 cm. The groove width should be determined according to the amount of fertilizer applied, and the ditch bottom should be flat. After dripping, dry the fertilizer into the ditch and cover the soil immediately after the water is dry. Before fertilization, the roots of the exposed trenches should be cut along the ditch wall, and the cuts should be smooth to prevent the roots from being moldy and rotten. When fertilizing, the fertilizer should be applied layer by layer, and the coarse fertilizer such as leaves and weeds should be placed on the bottom layer. Organic fertilizer, every layer of fertilizer applied a layer of soil, the soil should be 25-30 cm above the ground. The root group of the adult tree is staggered in the orchard. It can be applied by the disc method, that is, the topsoil is opened along the plant spacing or row spacing on one side of the plant, and the shallower (7-10 cm) near the trunk when the soil is rammed, farther from the trunk. It should be deep (40-60 cm), spread dry and then cover the soil.
6. Where there are conditions, combine the grass in the orchard, vigorously develop the grass-animal-marsh supporting technology, and promote the balanced fertilization or formula fertilization technology as much as possible.
Source: China Cooperation Times
2. The base fertilizer for autumn application should be 2-3 months earlier than the winter base fertilizer, and should be carried out immediately after harvesting the fruit clearing.
3, the selected manure must be fully decomposed, it is strictly prohibited to use dry manure or fresh manure. At the same time, with appropriate amount of nitrogen, phosphorus, potassium quick-acting fertilizer, or use apple special fertilizer.
4, the fertilizer must be mixed with the soil in the ditch, applied to the root distribution layer (20-60 cm), so as not to burn roots.
5, the fertilization method can be applied by ditch, or can be applied by disk. When applying the ditch, excavate the circular, rectangular and curved fertilization ditch at the position of the canopy drip line. The ditch depth is 40-50 cm. The groove width should be determined according to the amount of fertilizer applied, and the ditch bottom should be flat. After dripping, dry the fertilizer into the ditch and cover the soil immediately after the water is dry. Before fertilization, the roots of the exposed trenches should be cut along the ditch wall, and the cuts should be smooth to prevent the roots from being moldy and rotten. When fertilizing, the fertilizer should be applied layer by layer, and the coarse fertilizer such as leaves and weeds should be placed on the bottom layer. Organic fertilizer, every layer of fertilizer applied a layer of soil, the soil should be 25-30 cm above the ground. The root group of the adult tree is staggered in the orchard. It can be applied by the disc method, that is, the topsoil is opened along the plant spacing or row spacing on one side of the plant, and the shallower (7-10 cm) near the trunk when the soil is rammed, farther from the trunk. It should be deep (40-60 cm), spread dry and then cover the soil.
6. Where there are conditions, combine the grass in the orchard, vigorously develop the grass-animal-marsh supporting technology, and promote the balanced fertilization or formula fertilization technology as much as possible.
Source: China Cooperation Times
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