A senate resolution 440; A resolution recognizing soil as an essential natural resource, and soils professionals as playing a critical role in managing our nation's soil resources
2008
Ohkura, T.(National Inst. for Agro-Environmental Sciences, Tsukuba, Ibaraki (Japan))
AGROVOC关键词
书目信息
页码
pp. 126-128
其它主题
Etats-unis; Conservacion de suelos; Politica agricola
语言
日本人
2009-04-15
AGRIS AP