The first top dressing was carried out about 50 days after transplanting, that is, before the rape entered the wintering period, the urea was applied 4-6 kg/mu and the potassium chloride was 4-5 kg/mu. The fertilization method is to combine soil cultivation with cultivating. If no cultivating is carried out, a small ditch of 10 cm deep may be opened between the rows, and the two fertilizers are mixed and applied, and the soil is covered after fertilization. The second top dressing was applied in the moss stage after the spring, and the application of urea was 4-6 kg, and the potassium chloride was 4-5 kg. At this point, the rapeseed has been sealed, and only the surface can be applied. Be sure to spread evenly. It is best to choose before spraying.
After the full bloom period, foliar fertilizer should be sprayed in time to promote the photosynthesis of functional leaves. Can be combined with drugs, spray 0.2% potassium dihydrogen phosphate and 1% ~ 2% urea solution every other week, a total of 2 times, the base fertilizer does not apply the field of boron fertilizer and zinc fertilizer, should be combined with foliar fertilizer, with 0.2 % borax is sprayed together with a 0.2% zinc sulphate solution.

Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone

Dental Equipment

Infection Control Equipment,Dental Root Canal,Teeth Cleaning Equipment,Dental Suction Unit

Foshan Ja Suo Medical Device Co., LTD , https://www.fjoralinstrument.com