共 41 条
[1]
Baeumer K., 1981, Agricultural yield potentials in continental climates. Proceedings of the 16th Colloquium of the International Potash Institute, P57
[3]
BARLEY K. P., 1965, AUSTRAL IAN J SOIL RES, V3, P69, DOI 10.1071/SR9650069
[4]
BARLEY K. P., 1967, Advances in agronomy. Vol. 19., P1, DOI 10.1016/S0065-2113(08)60731-2
[5]
EFFECTS OF DIFFERENT METHODS OF CULTIVATION AND DIRECT DRILLING, AND DISPOSAL OF STRAW RESIDUES, ON POPULATIONS OF EARTHWORMS
[J].
JOURNAL OF SOIL SCIENCE,
1979, 30 (04)
:669-679
[9]
Bohm W, 1979, PLANT NUTR SOIL SCI, DOI DOI 10.1002/JPLN.19801430323
[10]
BOHME HERMANN, 1927, FORT SCHR LANDW, V2, P309

