中晚熟区主要高粱品种耐瘠性综合评价

张彦,王劲松,董二伟,武爱莲,王媛,焦晓燕

Comprehensive Evaluation of Low-Fertility Tolerance of Different Sorghum Cultivars in Middle-Late-Maturing Area

ZHANG Yan,WANG JinSong,DONG ErWei,WU AiLian,WANG Yuan,JIAO XiaoYan

表1 供试土壤基础养分状况

Table 1 Soil basic chemical properties

肥力水平 Soil fertility 全氮 Total N (g·kg-1) 有效磷 Available P (mg·kg-1) 速效钾 Available K (mg·kg-1) 硝态氮 Nitrate N (mg·kg-1) 有机质 Organic matter (g·kg-1) 高肥力HF 0.97 10.77 199.03 20.71 17.17 低肥力LF 0.78 7.10 197.62 11.90 14.91