Method for applying potassium fertilizer to Chinese cabbage

1. Basic application: Chinese cabbage produces more than 10,000 kilograms, 300-500 kilograms of refined organic fertilizer, 300 kilograms of dried chicken manure, 3 squares of grass manure, and then compound fertilizer (nitrogen, phosphorus and potassium content of 35%) Above), such as the use of Sacofu potassium sulfate compound fertilizer for 30-40 kg; the above two fertilizers can be applied alone. Nitrogen fertilizer (46% urea 15 kg), phosphate fertilizer (14% superphosphate 30 kg), potassium fertilizer (50% potassium sulfate 12 kg) can be compounded into compound fertilizer without using compound fertilizer. It is best to use a ditch to concentrate the application, use the soil ditch to ridge, and scatter the cabbage seeds on the ridge.
2. Topdressing: The amount of fertilizer required for cabbage during the ball-forming period accounts for more than 60% of the total fertilizer requirement during the whole growth period. In this period, in addition to applying nitrogen fertilizer twice (20-25 kg urea), another potassium sulfate 5- 7 kg, ditched in the ridge and covered with soil.
3. Foliar application: 0.2% potassium dihydrogen phosphate can be sprayed during the rose period to the balling stage, sprayed once every 7-10 days, sprayed 3 times, in the morning, evening or cloudy all day Can be sprayed.

Huaxian County Fertilizer Station Yue Xiuli
【Comment】 【Print this article】 【Close this page】 【Large, medium and small】

Supporting Equipment Of Centrifuge

Centrifuge special accessories, supporting special equipment accessories, etc

Centrifuge fittings,Supporting Equipment Of Centrifuge

Zenith Lab (Jiangsu) Co.,Ltd , https://www.zenithlabo.com