共 9 条
[1]
ANDERSON NORMAN L., 1964, ANN ENTOMOL SOC AMER, V57, P736, DOI 10.1093/aesa/57.6.736
[2]
BIRD RD, 1961, 1066 CAN DEP AGR PUB
[3]
BROOKS AR, 1958, CAN ENTOMOL S9
[4]
CAMPBELL JB, 1974, 19 KANS STAT EXP STA
[5]
ABUNDANCE OF GRASSHOPPERS IN RELATION TO RANGELAND RENOVATION PRACTICES
[J].
JOURNAL OF RANGE MANAGEMENT,
1974, 27 (02)
:156-160
[6]
HEWITT GB, 1977, 1348 US DEP AGR AGR
[7]
LONG-TERM GRAZING EFFECTS ON FESCUE GRASSLAND SOILS
[J].
JOURNAL OF RANGE MANAGEMENT,
1971, 24 (03)
:185-+
[8]
NERNEY N. J., 1958, JOUR RANGE MANAGEMENT, V11, P247, DOI 10.2307/3894529