N-Expert专家系统在无公害菠菜生产中的应用
陈清, 张宏彦, 张晓晟, 李晓林, LiebigHP
Field Application of N-Expert System on N Recommendation of Autumn Spinach
CHEN Qing, ZHANG Hong-yan, ZHANG Xiao-sheng, LI Xiao-lin, Hans-peter Liebig
华北农学报
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2002, (4): 128
-134
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DOI: 10.3321/j.issn:1000-7091.2002.04.028
