Grape leaf spray fertilizer effect
Spraying foliar fertilizers on grapes, leaves with a wide range of fertilizers, rapid fertilizer efficiency, and labor-saving fertilizers are common fertilization methods for grapes. To achieve the best results for foliar spray, you should master the following technical points: The best weather and time for spraying fertilizers is to choose a cloudy and cloudy day. In sunny days, it should be performed in the morning or in the evening when the temperature is suitable (18°C～25°C), high humidity, and low evaporation. Spray fertilizer method The cuticle of grape leaves is thinner than the old leaves, and the penetration amount of fertilizer liquid is large. The stomata on the back side of the leaves are more than the front of leaves, and the absorption is fast. Therefore, the application of grape leaf fertilizer should be based on young shoots, young leaves and the back of leaves. Fertilizer fertilizes the fine grain of the fog so as to make it evenly and densely. It sprays all the leaves wet, and the fertilizer drops without falling. According to the needs of a variety of fertilizers mixed spraying, but also with pesticides (including plant growth regulators) mixed spray and prevent pests. Disposable Products,Medical Disposable,Hospital Disposable Products,Disposable Medical Device Qingdao DMD Medical Technology Co., LTD , https://www.conston-tech.com
Appropriate period of spray fertilizer In general, the application of foliar fertilizer can be applied in the whole growth season of the grape. It is better to spray the “tip fertilizer†before the growth of the new shoot, and spray the “stabilizing fruit fertilizer†during the flowering and fruit setting period. During fruit enlargement, “strong fruit fertilizer†is sprayed. Spraying boron effect during flowering period is good; berry softening has a large role in the initial spraying of rare earth micro-fertilizers; appropriate amount of gold treasure fertiliser can be applied throughout the growing period, which can improve quality, increase yield and disease resistance.