共 17 条
- [1] ADAMS F, 1981, ASAE MONOGRAPH, V4, P269
- [3] ANDERSON OE, 1971, 102 U GEORG COLL AGR
- [5] SUBSOIL PH EFFECTS ON GROWTH AND YIELD OF COTTON [J]. AGRONOMY JOURNAL, 1975, 67 (02) : 193 - 196
- [6] ELKINS CB, 1983, J SOIL WATER CONSERV, V38, P305
- [7] ELKINS CB, 1982, 9TH P C INT SOIL TIL, P603
- [10] EFFECT OF CALCIUM AND ITS RELATION TO SEVERAL CATIONS IN SOYBEAN ROOT GROWTH [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1970, 34 (03): : 456 - &