Rice 1. Single-season rice area in the northeast cold region (1) Recommended 13-19-13 (N-P2O5-K2O) or similar formula. (2) The production level is 450~550 kg/mu, and the recommended dosage of formula fertilizer is 18~23 kg/mu. The fertilizer is divided into 5~7 kg/mu and 3 kg/mu, respectively. (3) The production level is 550 kg/mu or more, and the recommended dosage of formula fertilizer is 23~29 kg/mu. The fertilizer is divided into 7~84 kg/mu and 3~4 kg/mu, respectively. Potassium is 1~3 kg/mu. (4) The production level is below 450 kg/mu, and the recommended dosage of formula fertilizer is 14~18 kg/mu. The fertilizer is divided into 4~54 kg/mu and 2~3 kg/mu, respectively. Second, the Northeast single-season rice area (1) Recommended 15-16-14 (N-P2O5-K2O) or similar formula. (2) The production level is 500~600 kg/mu, and the recommended dosage of formula fertilizer is 24~28 kg/mu. The fertilizer is divided into 8~9 kg/mu and 4~5 kg/mu, respectively. (3) The production level is above 600 kg/mu, and the recommended dosage of formula fertilizer is 28~33 kg/mu. The fertilizer is applied to the fertilizer and the grain fertilizer is 9~114 kg/mu and 5 kg/mu respectively. The grain fertilizer is applied to the potassium chloride. 1~3 kg/mu. (4) The production level is below 500 kg/mu, and the recommended dosage of formula fertilizer is 19~24 kg/mu. The fertilizer is divided into 6~84 kg/mu and 3~4 kg/mu, respectively. Zinc-deficient or cold-impregnated field-based zinc sulphate 1~2 kg/mu, silicon fertilizer 15~20 kg/mu. 3. Single-season rice area in the upper reaches of the Yangtze River (1) The production level is below 450 kg/mu, the nitrogen fertilizer (N) dosage is 6~8 kg/mu; the production level is 450~550 kg/mu, the nitrogen fertilizer (N) dosage is 8~10 kg/mu; the production level is 550~650 kg. /mu, nitrogen fertilizer (N) dosage 10~12 kg/mu; production level 650 kg/mu or more, nitrogen fertilizer (N) dosage 12~14 kg/mu. Phosphate fertilizer (P2O5) 4~6 kg/mu, potash fertilizer (K2O) 5~8 kg/mu. (2) Nitrogen fertilizer base fertilizer accounts for 50%~60%, manure fertilizer accounts for 20%~30%, panicle fertilizer accounts for 20%~30%; organic fertilizer and phosphate fertilizer all base application; potassium fertilizer base fertilizer (50%~60%) and Spike fertilizer (40% to 50%) was applied twice. (3) In the zinc-deficient and boron-deficient areas, the appropriate amount of zinc fertilizer and boron fertilizer should be applied; in the soil with strong acidity, the application of siliceous alkaline fertilizer or quicklime should be 30~50 kg per mu. 4. Single and double rice fields in the middle reaches of the Yangtze River (1) The production level is below 350 kg/mu, the nitrogen fertilizer (N) dosage is 6~7 kg/mu; the production level is 350~450 kg/mu, the nitrogen fertilizer (N) dosage is 7~8 kg/mu; the production level is 450~550 kg. /mu, nitrogen fertilizer (N) dosage 8~10 kg/mu; production level 550 kg/mu or more, nitrogen fertilizer (N) dosage 10~12 kg/mu. Phosphate fertilizer (P2O5) 4~7 kg/mu, potash fertilizer (K2O) 4~8 kg/mu. (2) 50%~60% of nitrogen fertilizer as base fertilizer, 20%~25% as manure, 20%~25% as panicle fertilizer; phosphate fertilizer as all base fertilizer; 50%~60% of potash fertilizer as base fertilizer, 40%~50% as Spike fertilizer; in the zinc-deficient area, the appropriate amount of zinc fertilizer (zinc sulfate) 1 kg / mu; appropriate base application of silicon fertilizer; organic fertilizer base application. (3) The amount of base fertilizer can be appropriately reduced by applying organic fertilizer or planting green manure. In the land where straw is returned to the field, the amount of potassium fertilizer can be reduced by about 30%. 5. Single-season rice area in the lower reaches of the Yangtze River (1) The production level is below 500 kg/mu, the nitrogen fertilizer (N) dosage is 8~10 kg/mu, the phosphate fertilizer (P2O5) is 2~3 kg/mu; the potassium fertilizer (K2O) is 3~4 kg/mu; the production level is 500~600. Kg/mu, nitrogen fertilizer (N) dosage 10~12 kg/mu, phosphate fertilizer (P2O5) 3~4 kg/mu; potassium fertilizer (K2O) 4~5 kg/mu; production level 600 kg/mu or more, nitrogen fertilizer (N) The dosage is 12~18 kg/mu. Phosphate fertilizer (P2O5) 5~6 kg/mu; potash fertilizer (K2O) 6~8 kg/mu, zinc fertilizer (zinc sulfate) 1~2 kg/mu. (2) Nitrogen fertilizer base fertilizer accounts for 40%~50%, manure fertilizer accounts for 20%~30%, panicle fertilizer accounts for 20%~30%; organic fertilizer and phosphate fertilizer all base application; potassium fertilizer base fertilizer (50%~60%) And panicle fertilizer (40%~50%) applied twice. The zinc-deficient soil is applied with 1 to 2 kg of zinc sulfate per acre; the suitable base is silicon-containing fertilizer. (3) The amount of base fertilizer can be appropriately reduced by applying organic fertilizer or planting green manure. 6. Single and double-season rice areas in the hilly mountains of the south of the Yangtze River (1) Under the condition of about 500 kg per mu, nitrogen fertilizer (N) 10~13 kg/mu, phosphate fertilizer (P2O5) 3~4 kg/mu; potash fertilizer (K2O) 8~10 kg/mu. (2) Nitrogen application in divided applications, base fertilizer accounts for 35%~50%, tiller fertilizer accounts for 25%~35%, panicle fertilizer accounts for 20%~30%, tiller fertilizer is appropriately postponed; all phosphate fertilizers are applied; 50% potassium fertilizer is used as base fertilizer 50% as the ear fertilizer. (3) It is recommended to return the straw to the field or increase the application of organic fertilizer. For the plots where the straw is returned to the field, the amount of potassium fertilizer can be reduced by 30%; for the field where organic fertilizer is applied, the amount of base fertilizer can be appropriately reduced. (4) On the soil with strong acidity, 40~50 kg of siliceous alkaline fertilizer or quicklime should be applied per acre. (5) Appropriate application of zinc fertilizer in zinc-deficient areas. 7. South China Plain Hilly Double Season Early Rice (1) Recommended 18-12-16 (N-P2O5-K2O) or similar formula. (2) The yield per mu is 350~450 kg, the recommended dosage of formula fertilizer is 26~33 kg/mu, the base fertilizer is 13~20 kg/mu, and the split fertilizer and panicle fertilizer are respectively applied 5~8 kg/mu, 3~5 kg/ mu. (3) The yield per mu is 450~550 kg, the recommended dosage of formula fertilizer is 33~41 kg/mu, the base fertilizer is 17~24 kg/mu, and the split fertilizer and panicle fertilizer are applied respectively 7~10 kg/mu, 4~7 kg/ mu. (4) The yield per mu is more than 550 kg, the recommended dosage of formula fertilizer is 41~48 kg/mu, the base fertilizer is 22~29 kg/mu, and the split fertilizer and panicle fertilizer are applied respectively for 8~11 kg/mu, 5~8 kg/mu. . (5) The yield per mu is below 350 kg, the recommended dosage of formula fertilizer is 20~25 kg/mu, the base fertilizer is 11~14 kg/mu, and the split fertilizer and panicle fertilizer are applied respectively for 4~6 kg/mu, 3~5 kg/mu. . Eight, southwest plateau mountain single-season rice area (1) Recommended 17-13-15 (N-P2O5-K2O) or similar formula. (2) The production level is 400~500 kg/mu, and the recommended dosage of formula fertilizer is 26~33 kg/mu. The fertilizer is divided into 6~74 kg/mu and 4~5 kg/mu, respectively. (3) The production level is 500~600 kg/mu, the recommended dosage of formula fertilizer is 33~39 kg/mu, and the fertilizer is divided into 7~84 kg/mu, 5~6 kg/mu, and the grain fertilizer is applied. Potassium chloride 1~2 kg/mu. (4) The production level is 600 kg/mu or more, and the recommended dosage of formula fertilizer is 39~46 kg/mu. The fertilizer is divided into 8~104 kg/mu and 6~7 kg/mu, respectively. Potassium is 2~4 kg/mu. (5) The production level is below 400 kg/mu, and the recommended dosage of formula fertilizer is 20~26 kg/mu. The fertilizer is divided into 4~64 kg/mu and 3~4 kg/mu, respectively. (6) In the zinc-deficient area, apply 1~2 kg of zinc sulphate per acre; apply 30-50 kg of siliceous alkaline fertilizer or quicklime per acre in the field with low soil pH value. This article URL: Spring Fertilization Guidance for Major Crops in Spring 2018 (Rice Part) Fingerprint Lock Safe Box,Hotel Fingerprint Laptop Safe,Hotel Fingerprint Safe Box,Closet Safe Box Hebei Yingbo Safe Boxes Co.,Ltd , https://www.yingbosafebox.com