共 189 条
[1]
Aaltonen V.T., 1948, BODEN WALD
[4]
ALTEN F, 1939, HDB BODENLEHRE
[5]
RELATION OF MINIMUM MOISTURE CONTENT OF SUBSOIL OF PRAIRIES TO HYGROSCOPIC COEFFICIENT
[J].
BOTANICAL GAZETTE,
1919, 67 (03)
:185-207
[9]
[Anonymous], 1947, AGR ENG
[10]
ATANASIU N., 1948, Z. PflEvnahr. Dung., V42, P103, DOI 10.1002/jpln.19480420203