Views: 474 Author: VV Publish Time: 2016-09-05 Origin: Rech Chemical Co. LTD
How to fertilize and improve fertility and low water conditions of poor field with fertilizer grade zinc sulfate and other fertilizers to reach target output at 450-550 kg per acre? Rech Chemical Co. Ltd shares the fertilization details with farmers.
The total fertilization amount with base fertilizer and topdressing fertilizer: for each acre, organic fertilizer 1000 kg, N - P – K fertilizer as 11-5.5-5.5 kg and zinc sulfate 1 kg. Application method: plant the rice seedling 2-3 days later of broadcasting manure and fertilizers evenly in harrow fields; tillering fertizers is applied after green recovery; Panicle fertilizer is applied in booting stage.
Two kinds of fertilization case for your reference:
1. Formula fertilizer: formula fertilizer 40 kg, 3 kg urea, potassium dihydrogen phosphate 0.3 kg. Among them, the recommended walter formula 25 kg; Tillering stage formula 15 kg. Panicle fertilizer contains urea 3 kg, potassium dihydrogen phosphate 0.1 kg for spraying.
2. Compound fertilizer with elemental fertilizer: compound fertilizer NPK 35 kg, urea 13 kg or Ammonium bicarbonate 34 kg, zinc sulfate 1.5 kg. Which also recommended the ternary,. Amount them, NPK compound fertilizer 35 kg, zinc sulfate 1.5 kg, Urea 10 kg or potassium dihydrogen phosphate 27 kg; Panicle fertilizer could be urea 3 kg and potassium dihydrogen phosphate 0.1 kg for spraying.
With the zinc sulfate fertilizer scheme above, the rice yield of poor fertility field could be improved obviously.