In July , the grape is in the period of fruit expansion and gradually matures. It is the key period for obtaining high quality and high yield within one month before harvesting. It is necessary to do a good job in the management of fertilizer and water.
Timely fertilization, replenishing nutrients generally topdress in the early stage of fruit coloring, mainly phosphorus and potassium fertilizer. Alternatively potassium three elements of fertilizer for soil application; may be by way of foliage, spraying conjunction with pest control, leaves and fruits increased nutrition, the choice of 0.5% -1% potassium dihydrogen phosphate and the like even spray 2 -3 times.
In order to improve the storage stability of grape berries, two times of calcium foliar fertilizer can be sprayed continuously within one month before harvesting, which can significantly increase the calcium content of grape berries, thereby improving grape quality and calcium storage stability. Cracked fruit also has a certain effect.
Strengthening water management In order to ensure the quality of the grapes, it is required to strictly control the irrigation within one month before harvesting to prevent the quality from degrading. Special attention should be paid to drainage and flood prevention before heavy rain comes.
Â
Â
Safety Valve include PVC Safety Valve, PVDF Safety Valve, PP Safety Valve , Steel Safety Valve, Stainless Steel Safety Valve, socket end, flange end, screw end, standard DIN, ANSI, NPT, BSPT.
Safety Valve
Safety Valve,PVC Safety Valve, PVDF Safety Valve, PP Safety Valve, Steel Safety Valve, Stainless Steel Safety Valve
Ningbo RMI Plastic Co., Ltd. , http://www.rmiplast.com