共 11 条
[2]
Campbell RS, 1931, J AGRIC RES, V43, P1027
[4]
DAYTON WA, 1931, USDA MISC PUB, V101
[5]
Seed germination in certain New Mexico range grasses - Contributions from the Hull Botanical Laboratory 385
[J].
BOTANICAL GAZETTE,
1928, 86
:270-294
[6]
JARDINE JT, 1922, USDA B, V1031
[7]
LINNEY CE, 1917, USDA WEATHER BUREAU, P21
[8]
McGINNIES WM. G., 1930, JOUR FOREST, V28, P23
[10]
WEAVER JE, 1929, PLANT ECOLOGY