陕西省粮食生产的减肥潜力及经济环境效益
张欣欣1(
),石磊2,何刚1(),王朝辉1()
),石磊2,何刚1(),王朝辉1()
Potential of Fertilizer Reduction and Benefits of Environment and Economic for Cereal Crops Production in Shaanxi Province
ZHANG XinXin1(),SHI Lei2,HE Gang1(),WANG ZhaoHui1()
),SHI Lei2,HE Gang1(),WANG ZhaoHui1()
图2. 小麦、玉米和水稻的产量与施肥量关系
图中横虚线分别代表小麦、玉米和水稻的平均产量,竖虚线分别代表氮磷钾肥的平均用量
Fig. 2. Relationships between grain yields and N, P and K fertilizers about wheat, maize and rice
The horizontal dashed line represents yield mean value of wheat, maize and rice. The vertical dashed line represents N rate, P rate and K rate used by local farmers, respectively
