共 28 条
[1]
SOIL CLASSIFICATION IN SOIL SURVEY OF ENGLAND AND WALES
[J].
JOURNAL OF SOIL SCIENCE,
1973, 24 (03)
:324-338
[2]
SOIL STRENGTH AND CROP EMERGENCE IN DIRECT DRILLED AND PLOUGHED CEREAL SEEDBEDS IN 7 FIELD EXPERIMENTS
[J].
JOURNAL OF SOIL SCIENCE,
1982, 33 (04)
:609-622
[3]
BALL BC, 1982, 9TH P C INT SOIL TIL, P396
[4]
BELL JP, 1976, NERC19 I HYDR REP
[7]
COMPTON I, 1983, UNPUB LONG TERM EFFE
[8]
MOISTURE REGIMES OF 6 SOIL SERIES OF THE CENTRAL LOWLANDS OF SCOTLAND
[J].
JOURNAL OF SOIL SCIENCE,
1979, 30 (02)
:215-223
[10]
EHLERS W, 1976, GOTTINGER BODENKUNDL, V44, P137