不同肥力条件下施肥对粒用高粱产量、品质及养分吸收利用的影响

王劲松,董二伟,武爱莲,白文斌,王媛,焦晓燕

Responses of Fertilization on Sorghum Grain Yield, Quality and Nutrient Utilization to Soil Fertility

JinSong WANG,ErWei DONG,AiLian WU,WenBin BAI,Yuan WANG,XiaoYan JIAO

表1 供试土壤的基础养分状况

Table 1 Soil basic chemical properties

土壤肥力 Soil fertility 有机质 OM (g·kg-1) 全氮 Total N (g·kg-1) 硝态氮 NO3--N (mg·kg-1) 有效磷 Available P (mg·kg-1) 速效钾 Available K (mg·kg-1) LSF 7.84±0.70 0.71±0.01 19.44±0.07 3.97±0.23 145.36±1.34 MSF 8.89±1.03 0.95±0.04 33.34±0.12 6.97±0.52 217.72±2.68 HSF 18.48±2.43 1.39±0.01 70.45±0.29 21.23±0.61 357.75±1.16