Autumn fruit trees are good

For a long time, most of the orchards use basal fertilizers in late winter or late spring. Due to the unreasonable application period, they often do not achieve the desired results. Practice has proved that the use of basal fertilizer after fruit picking from late autumn to early winter is better. The role of autumn basal fertilizer has the following aspects.

1. Fruit trees consume a lot of nutrients through their growth and development, and the fruit is in the weakest state after harvest. This period of nutritional supplementation enables the tree vigor to recover quickly.

2. Soil moisture and ground temperature are suitable after fruit harvesting, and soil microbial activity is still strong. The organic fertilizer applied at this time can be decomposed and mineralized, and the applied fertilizer nutrients can be absorbed by the roots of the fruit tree and stored in the trunk and root system. The nutrient level of the tree can be increased, and the flower buds are full and the shoots are enriched, and the wintering can be improved. Cold resistance.

3, ditching and fertilizing have different degrees of rooting, rooting, autumn fertilization after winter healing, does not affect the absorption capacity of spring roots.

4. Fertilization through autumn ditching can not only loosen the soil and enhance the air permeability, but also help the winter snow in the orchard to store water, increase the ground temperature, and reduce the frost damage in the roots, thus laying a good foundation for the quality and yield of fruit trees in the next year.

Ningjin County Agricultural Bureau of Shandong Province (253400) Liu Zhongqiang

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