基于产量和养分含量的旱地小麦施磷量和土壤有效磷优化

马清霞,王朝辉,惠晓丽,张翔,张悦悦,侯赛宾,黄宁,罗来超,张世君,党海燕

Optimization of Phosphorus Rate and Soil Available Phosphorus Based on Grain Yield and Nutrient Contents in Dryland Wheat Production

MA QingXia,WANG ZhaoHui,HUI XiaoLi,ZHANG Xiang,ZHANG YueYue,HOU SaiBin,HUANG Ning,LUO LaiChao,ZHANG ShiJun,DANG HaiYan

图4 施磷量与不同时期土壤速效磷含量的关系

Fig. 4 The relationship between P rates and soil available P concentrations at different stages