摘要： 根据无公害蔬菜生长的要求,通过应用德国的氮素专家系统,在引入保证蔬菜的目标产量所要求的土壤最低Nmin残留量(Nmin缓冲值)概念的基础上,以传统的氮素投入为对照,对秋季露地菠菜的氮素施肥进行推荐.这表明在不断优化参数的基础上,N-Expert专家系统不仅能够减少肥料的用量,不影响作物产量,而且对提高菠菜的品质和进行蔬菜可持续生产方面有很好的作用.
关键词:
菠菜,
氮素专家系统,
施肥推荐
Abstract: Optimization in fertilization is very important for A class green vegetable in China. Based on N-Ex pert system from Germany and the standard requirement of non-polluted vegetable production, the conception of Nmin buffer value was introduced and validated in autumn spinach in 1999 and 2000. The N-Ex pert system could be an effective tool for sustainable production.
Key words:
Spinach(Spinacia oleracea L.),
N-Expert system,
Fertilizer recommendation
中图分类号:
陈清, 张宏彦, 张晓晟, 李晓林, LiebigHP. N-Expert专家系统在无公害菠菜生产中的应用[J]. 华北农学报, 2002, 17(4): 128-134. doi: 10.3321/j.issn:1000-7091.2002.04.028.
CHEN Qing, ZHANG Hong-yan, ZHANG Xiao-sheng, LI Xiao-lin, Hans-peter Liebig. Field Application of N-Expert System on N Recommendation of Autumn Spinach[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2002, 17(4): 128-134. doi: 10.3321/j.issn:1000-7091.2002.04.028.