Early peach tree autumn application base fertilizer is generally suitable in mid-September. During this period, the soil temperature is high, 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 and can increase the storage nutrients of the tree.
The roots of light peach trees are mainly distributed in the soil layer of 20-40 cm, and the depth of fertilization ditch or fertilization point is 30-40 cm. At present, some fruit farmers adopt ground surface application and then use rotary tillage to hit the ground. The depth of fertilization is obviously insufficient.
The aerobic nature of the roots of P. sylvestris is stronger than that of apples and other fruit trees. The fertilization area should be appropriately increased, the absorption area of ​​roots should be enlarged, the growth environment of roots should be improved, and the absorption function of roots should be improved. The application of base fertilizer in production should be combined with soil modification. In Taoyuan, where the plant spacing is relatively large, the fertilization ditch can be dug along the periphery of the canopy. The width of the ditch is 40-60 cm and the depth is 30-40 cm. Note that the fertilization position should be rotated year by year, and the soil improvement is generally completed in 3 to 4 years. For orchards with small plant spacing and high coverage of foliage in the whole garden, it is best to establish a permanent fertilization watering belt between the rows. Throughout the year, the ditch and fertilization are carried out between rows, so that the roots of the peach trees are stabilized in the fertilizing watering belt.
The whole peach tree base fertilizer should be based on organic fertilizer, and the appropriate amount of compound fertilizer should be matched according to the yield. If the deficiency is serious, it is necessary to add a certain amount of soil conditioner or trace element fertilizer.
The peach fruit has a higher fruit rate and higher soil nutrient requirements. A sufficient base fertilizer is the basis for the robust, high yield and stable yield of the peach tree. Results The initial tree applied 20~30 kg of compound fertilizer per acre; the compound fertilizer applied in the fruiting period was no less than 50 kg. Organic fertilizers are based on the level of investment as much as possible.
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