The application of decomposed organic fertilizer generally applies 2500~3000 kg of decomposed organic fertilizer per acre, and then adds 30~50 kg of superphosphate, and the bottom fertilizer is supplemented with calcium. The application of calcium fertilizer is lime. This is a commonly used calcium fertilizer in production. The quicklime can not be applied excessively. Generally, 50~70 kg per acre is applied to the vegetable field, and it is mixed with organic fertilizer to be used as the base fertilizer. The ability of slaked lime to neutralize soil acidity is weaker than quicklime, generally 40 to 80 kg per acre. The second is calcium nitrate. Generally, 20~25 kg per mu of vegetable land is applied, or according to the situation, combined with pest control and spraying, foliar spray fertilizer is used for top dressing, and 0.1%~0.2% calcium nitrate or 1% superphosphate can be sprayed. , even spray 3~4 times, the interval is about 15 days. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Crushing Machine,Portable Horizontal Band Sawmill,Drum Wood Chipper,Wood Shaving Machine Shandong Longze Mechanical Equipment Co.,Ltd , https://www.pelletmachinefactory.com