摘要
分析表明,陕西省9类主要农林土壤有机质与全氮量呈极显著正相关,两者间的回归方程及换算系数均可用于由有机质含量来较准确地估测全氮量。
The analytic result showed significant positive correlation between organ- ic material content and total nitrogen content of nine group soils for agriculture and forestry in Shaanxi province.The total nitrogen content could be quite accurately esti- mated from soil organic matreial content through regression equation or conversion coef- ficients.
出处
《陕西林业科技》
北大核心
1993年第2期9-10,37,共3页
Shaanxi Forest Science and Technology
关键词
土壤有机质
土壤氮素
Shaanxi
Organic material content
Total nitrogen content
