At present, the early-maturing and mid-maturing varieties of grapes in many places enter the physiological defoliation period, and it is also a good time for the autumn application of base fertilizer. However, the author found in the technical exchanges between some grape growing bases, demonstration gardens, sightseeing parks and sporadic plots in the rural areas of Luyi County and neighboring counties and cities, that many fruit farmers only pay attention to pre-harvest management, while post-harvest management is “Da Songyiâ€. The tone is allowed to flow freely, regardless of whether it is asked, so that the grape plant should be seriously defoliated in advance due to insufficient water and fertilizer and disease in the leaves.
The more serious problem is that many people put the physiological leaves and the leaves with pathogens out of the garden or burn them in time. Instead, they are concentrated in the fertilization ditch and buried in the soil with the fertilizer in order to naturally rot as fertilizer.
Production practice proves that, except for the time when the fruit is harvested and before the normal defoliation, in addition to the timely application of the base fertilizer, another important work focus is to spray prevention and control of early defoliation, focusing on the prevention and control of downy mildew and black pox, and promoting leaf promotion. Nutrition accumulation. If the prevention and treatment is not timely or the medication is not symptomatic, it will lead to serious disease. The dried leaves are densely packed, and countless pathogen spores are overwintered with the wind and rain falling on the surface and infiltrating into the soil.
Here, the author reminds the majority of grape growers, in order to achieve long-term high yield and stable production of the grape industry in the coming year and in the future, to avoid a large number of germs overwintering on the residual leaves and soil, reducing the incidence of pathogens, to remember that "people are not lazy "The scientific principle, every 10 days or so, a "hygiene cleanup" of the orchard, taking the fallen diseased branches, diseased leaves, diseased fruit, tendrils, paper bags, weeds, etc., in time for deep burial or incineration, thousand I can't bury it as a fertilizer.
This article URL: Grape leaves can not be used as a fertilizer to warn of pests and diseases in the coming year
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