How to apply bio-organic fertilizer to kiwi tree
The kiwi tree grows vigorously and the foliage is lush. The results are many and early. It consumes a lot of nutrients every year, and it is necessary to supplement effective nutrients in time to meet its growth and development needs.
Base fertilizer: young tree plants apply bio-organic fertilizer 5-8 kg; adult trees enter the full fruiting period, plants apply bio-organic fertilizer 8-12 kg.
Top dressing: The top dressing of young trees uses a small number of times. Generally, from before and after germination to July, 1 kg of bio-organic fertilizer is applied every month. During the fruiting period, the tree is generally topdressed in three times. The first is the early spring germination fertilizer. It is applied before and after germination from February to March, and the plant is applied with biological organic fertilizer of 3 to 5 kg. The second time is to promote fruit fat after flowering. 30 to 40 days after flowering is the period of rapid expansion of kiwi fruit, and lack of fertilizer will hinder the expansion of kiwi fruit. Fruit-promoting fertilizer should be applied 20 to 30 days after flowering, and apply 2 to 3 kg of bio-organic fertilizer.
Strong fruit fertilizer: In order to enrich the inside of the fruit, increase the weight of the single fruit and improve the quality, top application of phosphorus and potassium fertilizers in June to July. Foliar spray of 0.5% potassium dihydrogen phosphate, 0.3% to 0.5% urea solution and 0.5% calcium nitrate can also be used.
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