superphosphate แปลว่า
- ปุ๋ยซูเปอร์ฟอสเฟต
ประโยค
40 days after landing in the ground 30-35 g of superphosphate and 40 g of urea per 1 sq. M.
Double superphosphate.
5-7 days before landing in the ground 3 g of ammonium nitrate, 5 g of superphosphate and 8 g of potassium sulfate per 1 l of water. Potash fertilizer requires more to seedlings to settle down faster.
150-200 g of superphosphate, 150-200 g of potassium sulfate are recommended to be added to one plant pit for peony. And on loams it is also customary to add hydrated lime in the amount of 150-200 g.