Rapeseed Tips and Branches
Adjust the proportion of fertilizer on the application of fertilizers, take the "bottom foot, stable seedlings, attack disk, after the make up" principle. The "bottom foot" is the base fertilizer which accounts for 70% of the total amount of fertilizer. It mainly uses organic fertilizer and phosphorus and potash fertilizers. It is made of nitrogen fertilizer, 1500 kg organic fertilizer, 5.5 kg of potassium oxide, and 4-5 kg ​​of phosphorus pentoxide. Nitrogen 2-3 kg. Steady Miaofei accounted for 2%, 0.15 kg of pure nitrogen for the mu, 0.1 kg of P2O5, and 0.19 kg of potassium oxide. Disc fertilizer accounted for 28%, 1-1.5 kg of pure nitrogen for the mu, 1.4 kg of phosphorus pentoxide and 2-7 kg of potassium oxide. After the “supplementâ€, 0.1% boron fertilizer solution is added at the beginning of Yanghua and the end of Yanghua, plus 0.1% of potassium dihydrogen phosphate (above 96%), and 50-60 kg of mu is suitable. Pick up the tip when the rape grows to 30-40 cm. Start picking. The general picking tip length is about 10 cm, and the length of the picking tip is slightly longer, while the opposite is short. If there are early flowers can also take the same method, the general early years before the early flowering tip length of 20-25 cm, after the emergence of early flower tip length of 8-10 cm is appropriate, while paying attention to the pest control in various periods. China Agricultural Network Editor