Ginger application of micro-fertilizer can increase production

In addition to the three elements that need to be absorbed from the soil, Ginger needs to absorb various trace elements such as calcium, magnesium, zinc, and boron during the growth process. For the boron-deficient and zinc-bearing plots, 1 kg of borax and 2 kg of zinc sulfate are applied per mu when the base fertilizer is applied to ginger or in the later stage of root formation. Ginger yield increased by 23.9% and 12.1%, respectively, and the two increased production by 38.9% at the same time. In addition to the large amount of nitrogen, phosphorus, potassium, calcium, magnesium and other elements needed for ginger, it also requires some trace elements. According to the determination, for every 1000 kg of ginger rhizome produced, 3.76 g of boron and 9.88 g of zinc are absorbed. Fertility requirements The absorption rate of zinc and boron by ginger is similar to that of nitrogen, phosphorus, and potassium. The amount of zinc absorbed in the seedling stage accounts for 7.5% of the total amount of zinc absorbed, and the amount of boron absorbed accounts for 8.69% of the total amount of boron absorbed. With continuous growth, the amount of zinc absorption and boron absorption gradually increased. Both of them accounted for 23.8% and 24.3% of the total absorption during the transition period. The amount of zinc absorption and boron absorption in the vigorous growth period increased significantly and accounted for their respective total absorption. 68.7% and 66.9% indicate that zinc and boron are involved in metabolism in the rhizome prosperous period, so more attention should be paid to timely application. The application of zinc fertilizer can improve the concentration of zinc in the ginger, improve the balance between various nutrient elements, make the metabolism more vigorous, so that the stem of the ginger is thicker, the number of branches is increased, the area of ​​the leaves is increased, and the ginger ball is large. , round, bright and shiny skin, good quality, if zinc, boron at the same time, the effect is better. Fertilization methods Zinc fertilizer and boron fertilizer can usually be applied as basal fertilizer or top dressing. When basal zinc deficiency is used as a base fertilizer, generally 1 to 2 kg of zinc sulfate is used per acre, evenly mixed with fine soil or organic fertilizer, and sown in the seeding ditch and mixed with soil when sowing. Such as foliar spraying, the application of the concentration range of 0.05% to 0.3%, and 0.1% concentration is more appropriate, respectively, in the seedling stage, hair tree stage, rhizome expansion, spray a total of 3 times, the effect is good . Boron-removing boron-based plots can be used as basal fertilizer. Borax 0.5 to 1 kg per mu can be used. Mix well with organic fertilizer or fine soil and apply it to the sowing ditch. Mix evenly with the soil. Boron fertilizer as a base fertilizer, the effective period is generally 2 to 3 years. Foliar application of boron fertilizer commonly used concentration of 0.05% to 0.1%, that is, with a good allocation of 50 to 70 kg of borax per acre solution, in the seedling stage, hair growth, rhizome expansion early or mid-spray. When applying boron fertilizer, the amount should be strictly controlled so as not to cause excessive poisoning.

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