The whole growth process of corn is divided into three stages: seedling stage, ear stage and flowering stage. The absorption of nitrogen, phosphorus and potassium is different at different stages, with the most nitrogen, followed by potassium and less phosphorus. For summer co-----
After the autumn stubble and the delayed vegetable planting in autumn, effectively suppressing the growth is the key to management. However, in recent times, the temperature has dropped rapidly. If vegetable farmers still adopt the conventional methods to -----
Most farmer friends can understand how extensive compound fertilizers are currently used in agricultural production. Compound fertilizers contain many elements, and many people use them. But when buying compound fertilizer, many people will make the follow-----
1. Before planting, first place the seeds in the refrigerator, keep the temperature at 5-6 degrees Celsius for 8-10 hours, and then take 1500 times Shennongsu chelated fertilizer, 1500 times enhanced Yunda-120 mixture, or use 500 times plant vigor, 5000 times Huangjia natural b-----
During lettuce elongation, sufficient nitrogen and potassium fertilizers are needed to expand rapidly. The specific cast is as follows: Nitrogen and potassium fertilizers were applied once at the beginning, middle and later stages of lettuce elongation, -----
1. Control the temperature. During the cucumber growth period, the temperature cannot exceed 30 degrees Celsius and cannot be lower than 25 degrees Celsius. If it exceeds, then cucumber plants will grow wildly. For indoor planting, the daytime temperature -----
Before sowing seedlings, gourd seeds are treated with 55 ℃ ～ 60 ℃ water + new high-fat film for 15 minutes, which can evade underground diseases and insects, isolate virus infection, strengthen breathing strength, and increase seed germin-----