EFFECT OF CULTIVATION ON STRUCTURE AND OTHER PHYSICAL CHARACTERISTICS OF GRASSLAND AND ARABLE SOILS

[1] Selenium as a catalyst in the kjeldahl method as applied to soil and grass analysis [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1936, 26 : 239 - 248

[2] BARLEY K. P., 1967, Advances in agronomy. Vol. 19., P1, DOI 10.1016/S0065-2113(08)60731-2

[3] BOLT GH, 1958, P INT S SOIL STRUCTU, P251

[4] Bradfield R., 1937, J AM SOC AGRON, V29, P85

[5] BRADFIELD R, 1950, 4 P INT C SOIL SCI, V2, P9

[6] CHEPIL WS, 1957, SOIL 1957 YB AGR, P308

[7] DELEENHEER L, 1958, P INT S SOIL STRUCTU, P1

[8] DUTT AK, 1948, J AM SOC AGRON, V40, P407

[9] FINNEY J, PRIVATE COMMUNICATIO

[10] GREEN RD, 1968, 4 SOIL SURV ENGL WAL

[1] Selenium as a catalyst in the kjeldahl method as applied to soil and grass analysis [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1936, 26 : 239 - 248

[2] BARLEY K. P., 1967, Advances in agronomy. Vol. 19., P1, DOI 10.1016/S0065-2113(08)60731-2

[3] BOLT GH, 1958, P INT S SOIL STRUCTU, P251

[4] Bradfield R., 1937, J AM SOC AGRON, V29, P85

[5] BRADFIELD R, 1950, 4 P INT C SOIL SCI, V2, P9

[6] CHEPIL WS, 1957, SOIL 1957 YB AGR, P308

[7] DELEENHEER L, 1958, P INT S SOIL STRUCTU, P1

[8] DUTT AK, 1948, J AM SOC AGRON, V40, P407

[9] FINNEY J, PRIVATE COMMUNICATIO

[10] GREEN RD, 1968, 4 SOIL SURV ENGL WAL