共 16 条
[2]
AVERY BW, 1964, MEM SOIL SURV GT BRI
[3]
EAGLE DJ, 29 HMSO TECHN B
[4]
GREEN R, 1971, PRIVATE COMMUNICATIO
[5]
HODGE CAH, 1966, MEM SOIL SURV GT BRI
[6]
JARVIS MG, 1973, MEM SOIL SURV GT BRI
[7]
Jongerius A., 1958, P INT S SOIL STRUCTU, P206
[8]
LEWIS A. H., 1960, JOUR AGRIC SCI, V54, P310, DOI 10.1017/S0021859600021225
[9]
LOW A. J., 1957, Outlook on Agriculture, V1, P155
[10]
EFFECT OF CULTIVATION ON STRUCTURE AND OTHER PHYSICAL CHARACTERISTICS OF GRASSLAND AND ARABLE SOILS
[J].
JOURNAL OF SOIL SCIENCE,
1972, 23 (04)
:363-&