Orchard base fertilizer suitable for autumn

The so-called orchard-based basal fertilizer is the application of late-effect or semi-delayed organic fertilizers to the late-maturing varieties of fruit trees after harvest, and in combination with the application of some of the available fertilizers. According to the survey, in the northern regions, before and after fruit harvesting, some fruit growers do not apply base fertilizer for objective reasons or fertilization habits, and the time for base fertilizer application from autumn is extended from autumn to budding and flowering of the fruit trees in the following spring. The author believes that the application of basal fertilization in fruit trees is still good in autumn.

The benefits of fall fertilizer

1, conducive to the decomposition of organic fertilizer rot: before and after fruit picking in autumn, temperature, ground temperature is still high, suitable for microbial reproduction activities, accelerate the decomposition of organic matter in the soil, and release the nutrients needed for fruit trees.

2, is conducive to wound healing: autumn is the third peak of fruit tree root growth, root growth, hair root volume. The wounds resulting from the application of fertilizers, such as wounds and roots, are easily healed, which can reduce the infiltration of pathogens into the plants and increase the resistance to diseases.

3, conducive to the absorption and accumulation of nutrients: after the autumn basal fertilizer, due to the decomposition of organic fertilizer and the appropriate amount of fertilizer input, in front of the soil nutrients can be added to meet the nutritional needs of fruit trees, supplement the tree due to a large number of results after the consumption of nutrients, Promote the restoration of tree vigor and the accumulation of nutrients in the tree, which will help improve the ability of fruit trees to resist cold and freeze, and ensure safe wintering. At the same time, for the differentiation of germination, the flowering of the next year, the results, the growth of spring shoots, ready the material basis, improve the fruit setting rate, reduce the falling flower, fruit drop. According to research. From late September to early October, 60.7% of the nitrogen is distributed into the roots, and most of the nitrogen is distributed to the buds and the base of the basal leaves, as well as to the sprouted leaf buds. Autumn basal fertilization also increases the content of refined amino acids in the new Shao skin, which is better than that of chunshiji. For long-term tests on apple trees, the application of basal fertilisers in the autumn and apple trees has high germination quality, fruit set and fruit quality increase.

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