A basis fertilizer will help ensure a grape planting has a strong root system, high yield, fast growth, high nutrition consumption and is more likely to absorb potassium. Basis fertilizer should be applied after picking to prevent nutrition deficiencies in yellow leaves and alternate bearings. 2.2 high calcium biological organic fertilizer is recommended for the supply of organic matter in order to survive the winter. Nutrition for the grape bud comes primarily from the stem and root, which is why we recommend a Haizhuangyuan common formula fertilizer combined with high phosphorus fertilizer at this stage in order to promote root growth and blossoming. Haizhuangyuan common formula fertilizers combined with NPK 21-12-21 water soluble fertilizer are recommended to provide nitrogen for promoting stem growth and flower growth. Potassium fertilizer is needed to supply at the fruiting stage to promote fruit swelling, increase sweetness and promote color changing.
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