共 24 条
[11]
Gardner WH., 1965, AGRONOMY, V9, P82
[12]
KEMPER WO, 1965, USDA TECH B, V1355
[13]
CHARACTERISTICS OF OAK MOTTES, EDWARDS-PLATEAU, TEXAS
[J].
JOURNAL OF RANGE MANAGEMENT,
1984, 37 (06)
:534-537
[14]
KNIGHT RW, 1980, THESIS TEXAS A M U C
[15]
RHOADES EDD D., 1964, J RANGE MGMT, V17, P185, DOI 10.2307/3895762
[16]
RICH RL, 1963, J RANGE MANAGE, V16, P322
[17]
SHARP A. L., 1964, Journal of Soil and Water Conservation, V19, P103
[18]
SMITH HL, 1941, SOIL SCI, V53, P195
[19]
Snedecor GW, 1968, STAT METHODS