The fertilization time should be early in the autumn. The base fertilizer is generally suitable for the middle and the middle of September. During this period, the soil temperature is higher, the root regeneration ability is strong, and the roots recover quickly. At the same time, the fertilizer is transformed quickly, which is beneficial to the absorption of the tree.
The root system of fertilization should be mainly distributed in the soil layer of 20-40 cm, and the depth of fertilization ditch or fertilization point should be 30-40 cm.
The fertilization of Yitai peach roots is stronger than other fruit trees. The fertilization area should be appropriately increased, the root absorption area should be enlarged, the root growth environment should be improved, and the root absorption function should be improved. The application of base fertilizer in production should be combined with soil modification. The specific method is as follows: digging fertilization ditch along the periphery of the canopy, the width of the ditch is 40-60 cm, the depth is 30-40 cm, and the fertilization position should be rotated year by year, and the soil improvement is generally completed in 3 to 4 years.
The basic nutrient nutrient should be based on the manure and cake fertilizer, and the micro-fertilizer should be applied according to the nutrient status of the tree. Results The initial fertilization amount of the tree was 2000-3000 kg per mu, and the compound fertilizer was 20-30 kg. The fertilization amount of the tree was 4,000-5000 kg per mu, and the compound fertilizer was 40~. 50 kg.
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