Hazelnut fertilization method:
In addition to the newly planted annual hazelnut seedlings, scientific fertilization is required for the tree growth and seed setting of the hazelnut tree. NPK fertilizer and farmyard manure are suitable for large hazelnut trees.
(1) Fertilizing time: For the already grown hazelnut trees, the farmyard manure was applied after the fruit was collected in the autumn until the soil was frozen, and an appropriate amount of NPK fertilizer was added at the same time. If it is too late to fall, it can also be applied before spring budding in the following year, but the effect is not as good as autumn. For high yield and strong growth, it is best to top-dress twice a year: the first time from late May to early June, when the fruits are in the ovary swell period and new shoot growth period; the second time is from early July to mid-July because Top dressing at this time is extremely important for fruit development, flower bud differentiation, and shoots enrichment.
(2) Fertilization method: Generally used in the vertical projection of the peripheral branch of the tree crown. Under the premise of not damaging the root, dig an appropriate size ring groove according to the age of the tree, mix the appropriate amount of fertilizer and soil, and apply the water after the irrigation. Backfill it.
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