作物种类 crops | 播种面积(万hm2) cultivated area (104 hm2) | 化学养分需求量(万t) Demand for crop chemical nutrients (Unit: 104 t) | |||
N | P2O5 | K2O | 合计total | ||
作物crops | 236.8 | 28.25 | 12.00 | 37.15 | 77.39 |
水稻rice | 115.3 | 15.88 | 5.49 | 17.88 | 39.24 |
小麦wheat | 79.5 | 11.15 | 4.24 | 12.02 | 27.41 |
玉米maize | 28.3 | 0.66 | 0.17 | 0.75 | 1.58 |
薯类potato crops | 21.2 | 4.52 | 1.28 | 1.78 | 7.58 |