Before the film is covered, it is generally not necessary to water and top dressing before harvesting the root melon. At this stage, the fertilizer is lacking and the foliar spray fertilizer treatment can be carried out. Spraying Zhuangguo Tingling can improve the absorption of water and fertilizer, improve fruit yield and quality, reduce the rate of fruit drop, and reduce the incidence of cracked fruit, stiff fruit and deformed fruit. After harvesting the first melon, the first water can be poured. Do not let the water flow to the mulch. With the water, a small amount of fertilizer can be applied. The nitrogen, phosphorus and potassium compound fertilizers are mainly used, and the application rate is about 30 kg. The biological fertilizer may be applied as appropriate. The second watering is generally carried out about 15 days after the first watering. Due to continuous harvesting, the consumption of nutrients is large. Therefore, the amount of fertilizer should be increased by the amount of fertilizer. The type of fertilizer is mainly potassium sulfate. 30 kg. In the deep winter season, the number of watering should be reduced, so that it does not dry or not, and it is poured every 5-7 days in the early spring, and ternary compound fertilizer is added every time. After entering May, the amount of watering is increased again, which can reduce the temperature. In addition, foliar fertilizer can be sprayed each time the spray is applied.
Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
ZHANGJIAGANG DINSHENGLIN TRADING CO.,LTD , https://www.dslhouse.com