COLORIMETRIC DETERMINATIONS OF EXCHANGEABLE AMMONIUM, UREA, NITRATE, AND NITRITE IN A SINGLE SOIL EXTRACT

被引：31

作者：

ONKEN, AB ^{[1
]}

SUNDERMAN, HD ^{[1
]}

机构：

[1] TEXAS A&M UNIV,TEXAS AGR EXPT STN,AGR RES EXT CTR,COLLEGE STN,TX 77843

来源：

AGRONOMY JOURNAL | 1977年 / 69卷 / 01期

关键词：

D O I：

10.2134/agronj1977.00021962006900010013x

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

引用

页码：49 / 53

页数：5

共 9 条

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[9] THE DETERMINATION OF NITROGEN IN AGRICULTURAL MATERIALS BY THE NESSLER REAGENT .1. PREPARATION OF THE REAGENT [J].

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