共 14 条
[2]
BRADLEY WB, 1940, 241 WYO AGR EXP STA
[3]
HOUSTON WR, 1971, 130 US DEP AGR PROD
[4]
CONTROLLING RED THREEAWN ON ABANDONED CROPLAND WITH AMMONIUM NITRATE
[J].
JOURNAL OF RANGE MANAGEMENT,
1972, 25 (06)
:443-&
[7]
MARTHALER H, 1937, JB WISS BOT, V85, P76
[9]
EFFECT OF MOISTURE ON FERTILIZER NITROGEN IMMOBILIZATION IN GRASSLANDS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1967, 31 (02)
:223-&
[10]
EFFECTS OF NITROGEN FERTILIZATION ON NATIVE RANGELAND
[J].
JOURNAL OF RANGE MANAGEMENT,
1968, 21 (05)
:287-&