共 20 条
[2]
The ecological relations of the vegetation of western Texas.
[J].
BOTANICAL GAZETTE,
1901, 32 (1-6)
:99-+
[3]
BRAY WL, 1901, BOT GAZ, V32, P262
[4]
BRAY WL, 1901, BOT GAZ, V32, P195
[5]
FERTILIZATION AND ITS EFFECT ON RANGE IMPROVEMENT IN NORTHERN GREAT PLAINS
[J].
JOURNAL OF RANGE MANAGEMENT,
1967, 20 (04)
:216-&
[6]
EHRENREICH JOHN H., 1959, JOUR RANGE MANAGEMENT, V12, P133, DOI 10.2307/3895170
[7]
ELDER WC, 1958, 504 OKL AGR EXP STA
[8]
GAY CHARLES E., 1965, J RANGE MANAGE, V18, P273, DOI 10.2307/3895497
[9]
HOPKINS H, 1948, KANSAS ACAD SCI T, V51, P131
[10]
HUFFINE WAYNE W., 1960, JOUR RANGE MANAGEMENT, V13, P34, DOI 10.2307/3894896