我国主要麦区农户施肥评价及减肥潜力分析
黄倩楠1(
),党海燕1(),黄婷苗1,侯赛宾1,王朝辉1,2()
),党海燕1(),黄婷苗1,侯赛宾1,王朝辉1,2()
Evaluation of Farmers’ Fertilizer Application and Fertilizer Reduction Potentials in Major Wheat Production Regions of China
HUANG QianNan1(),DANG HaiYan1(),HUANG TingMiao1,HOU SaiBin1,WANG ZhaoHui1,2()
),DANG HaiYan1(),HUANG TingMiao1,HOU SaiBin1,WANG ZhaoHui1,2()
图3. 我国不同麦区农户氮肥、磷肥和钾肥施用量与小麦产量的关系
图中实线代表平均产量,虚线代表平均施肥量
Fig. 3. Relationships of farmers’ grain yield to application rates of N, P and K fertilizers in major wheat production regions of China
The full line represents mean value of wheat grain yield. The dotted line represents mean values of fertilizers rates used by farmers, respectively
