EXTRACTION OF SOIL ORGANIC NITROGEN BY AUTOCLAVING IN WATER .I. NAOH-DISTILLABLE FRACTION AS AN INDEX OF NITROGEN AVAILABILITY IN SOILS

被引:21
作者
STANFORD, G
DEMAR, WH
机构
[1] U. S. Department of Agriculture, Beltsville
关键词
D O I
10.1097/00010694-196903000-00008
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
摘要
[No abstract available]
引用
收藏
页码:203 / &
相关论文
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BARTHOLOMEW WV, 1965, AGRONOMY ED, P93
[2]  
BREMNER JM, 1965, AGRONOMY, P93
[3]   STUDIES ON STEAM STERILIZATION OF SOILS .2. SOME FACTORS AFFECTING MINIMUM STERILIZATION REQUIREMENTS [J].
SIMPSON, FJ ;
NEWTON, JD .
CANADIAN JOURNAL OF RESEARCH SECTION C-BOTANICAL SCIENCES, 1949, 27 (01) :1-13
[4]  
STANFORD G, 1968, SOIL SCIENCE