共 136 条
[1]
CROP RESPONSE TO SOIL ACIDITY FACTORS IN ULTISOLS AND OXISOLS .1. TOBACCO
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1970, 34 (04)
:629-+
[3]
AINA PO, 1981, BEITR TROP LANDWIRT, V19, P173
[4]
[Anonymous], 1960, CLIMAT ET EROSION
[5]
[Anonymous], PRINCIPLES LITHOGENE
[6]
ANVIMALECH Y, 1984, ENVIRON SCI TECHNOL, V13, P5
[7]
AVEYARD JM, 1983, JAN MAL AIN C HON
[10]
Notes on the disintegration of granite in Egypt
[J].
JOURNAL OF GEOLOGY,
1916, 24 (04)
:382-393