Grape Scientific Calcium Improves Fruit Quality
The lack of calcium in the grapes will cause reverse curling of the leaves, dark green new leaves, serious increase in grape fruit cracking rate, aggravate physiological diseases such as grape fruit shrinkage, fruit hardness decline, poor storage, so in the grape growing process to add calcium in time Su. The absorption of calcium in grapes peaks in 1-3 weeks, plus the recent rainy weather in Chongqing, grape calcium supplementation should be combined with spraying and soil application.
Spraying calcium fertilizer should be carried out in the young fruit expansion period, ie, 1 week after flowering to the hard nucleus stage, 2-3 times in succession, 7-10 days apart, calcium fertilizer requires water-soluble, high concentration, easy to absorb, such as chelated calcium. Type, when spraying, choose no wind or little wind weather, fine spray to the back of the blade, focus on the young part of the inflorescence, ear. In order to improve the hardness and commercial quality of the fruit, calcium fertilizer should be sprayed for 10 to 15 days before harvesting.
Soil application of lime not only can also be disinfected calcium, generally used in the clear garden in winter, after the grape flower can be used once again. Sprinkle the lime cover between the rows of grapes and plow it. Use 50 kilograms of mu.
Irrigation Dripper,Drip Tip,Fruit Tree Special Dripper,Drip Irrigator Dripper
Shandong Yibiyuan Water-saving Equipment Technology Co., Ltd. , https://www.cnybyjs.com