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1. Early application of base fertilizer. As a base fertilizer, farmyard manure can be mixed with various crop straws, human and livestock fertilizers and phosphate fertilizers every year, and composted by aerobic microbial decomposition, after the rainy season is coming, until the red dates are harvested. The annular groove application not only enhances the nutrition of the tree, but also improves the soil fertility.
2. Jujube gardening. There are three advantages to planting leguminous grasses, stalks, and scutellaria in mountain jujube gardens: first, increase the vegetation of jujube gardens and play a biological cover; second, legumes, cattle, sheep, pigs, and rabbits all like food. It solves the forage grass for developing animal husbandry, and the jujube flower and grass flower are good honey sources. Thirdly, the animal husbandry excrement is the high-quality farmyard manure, and the development of the aquaculture industry solves the problem of insufficient fertilizer source in the jujube garden.
3. Timely topdressing. On the basis of the application of organic fertilizer, in order to meet the needs of the growth and results of jujube trees, top dressing must also be carried out. It can be used after the thawing of spring soil until the germination of jujube trees, before flowering to the young fruit period, and the application of organic biological fertilizer 2-3 times, the amount of 200kg per mu can meet the needs of 500mg of jujube in mountain jujube. . The raw material is mainly composed of caged chicken manure and then a certain proportion of straw powder, coal gangue powder and biological bacteria are added, and then the chicken manure is dried and mixed.
4. Foliar spray fertilizer. Foliar spray fertilizer should be uniformly used with gf/t 17419-1998 amino acid-containing foliar fertilizer or gb/t 17420-1998 trace element foliar fertilizer, diluted according to the instructions, sprayed in jujube flowering to young fruit stage 2- 3 times.
Huaxian County Yuexiu Li
To produce pollution-free jujube, it is necessary to use decomposed organic fertilizers such as compost, manure, cake fertilizer, biogas fertilizer, microbial fertilizers such as rhizobia, phosphorus bacteria, etc.; fertilizers are mainly phosphate and potash. details as follows:
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