长期施钾对东北春玉米产量和土壤钾素状况的影响

谭德水,金继运,黄绍文

Effect of long-term application of K fertilizer on spring maize yield and soil K in northeast China

中国农业科学 . 2007, (10): 2234 -2240 . DOI: 10.3864/j.issn.0578-1752.au-2007-00218