SPECTROSCOPIC SENSING OF SOIL ORGANIC-MATTER CONTENT

被引:2
|
作者
SHONK, JL [1 ]
GAULTNEY, LD [1 ]
SCHULZE, DG [1 ]
VANSCOYOC, GE [1 ]
机构
[1] PURDUE UNIV,DEPT AGRON,W LAFAYETTE,IN 47907
来源
TRANSACTIONS OF THE ASAE | 1991年 / 34卷 / 05期
关键词
SENSORS; REFLECTANCE; SOIL ORGANIC MATTER;
D O I
暂无
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
A prototype real-time soil organic matter sensor has been developed. The sensor consists of compact transmitter and receiver modules which utilize light reflectance to measure percentage organic matter. Laboratory tests were conducted to determine optimal light wavelengths for use with typical landscapes in the midwestern United States. Preliminary field tests have proven successful for soils ranging from below 1% to over 6% organic matter. The sensor promises to be useful for prescription applications of soil applied chemicals.
引用
收藏
页码:1978 / 1984
页数:7
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