共 27 条
[11]
JANTZ DR, 1975, KANSAS AGR EXP STAT
[13]
KNAPP AK, 1985, ACTA OECOL-OEC PLANT, V6, P337
[16]
KUCERA CLAIR L., 1960, IOWA STATE JOUR SCI, V34, P635
[18]
VEGETATION AND LITTER CHANGES OF A NEBRASKA SANDHILLS PRAIRIE PROTECTED FROM GRAZING
[J].
JOURNAL OF RANGE MANAGEMENT,
1984, 37 (01)
:55-58
[19]
PLANT AND SOIL-WATER POTENTIALS FOLLOWING FIRE IN A NORTHERN MIXED GRASSLAND
[J].
JOURNAL OF RANGE MANAGEMENT,
1978, 31 (06)
:443-445
[20]
Risser PG, 1981, US IBP SYNTHESIS SER, V16