CHANGES IN THE SOIL OF A LONG-CONTINUED FIELD EXPERIMENT AT SAXMUNDHAM, SUFFOLK

[1] BEESON KC, 1941, MISC PUBL US DEP AGR, V369

[2] BOYD DA, 1940, THESIS U LONDON

[3] Collins SH, 1906, J SOC CHEM IND LOND, V25, P518

[4] METSON AJ, 1956, NZ DEP SCI IND RES S, V12

[5] OLDERSHAW A. W., 1941, Journal of the Royal Agricultural Society of England, V102, P136

[6] OLSEN SR, 1954, 939 US DEP AGR CIRC

[7] Schofield R. K., 1955, Soils and Fertilizers, V18, P373

[8] An examination of the Degtjareff method for determining soil organic matter, and a proposed modification of the chromic acid titration method [J]. SOIL SCIENCE, 1934, 37 (01) : 29 - 38

[9] WARREN RG, 1956, P FERTIL SOC

[1] BEESON KC, 1941, MISC PUBL US DEP AGR, V369

[2] BOYD DA, 1940, THESIS U LONDON

[3] Collins SH, 1906, J SOC CHEM IND LOND, V25, P518

[4] METSON AJ, 1956, NZ DEP SCI IND RES S, V12

[5] OLDERSHAW A. W., 1941, Journal of the Royal Agricultural Society of England, V102, P136

[6] OLSEN SR, 1954, 939 US DEP AGR CIRC

[7] Schofield R. K., 1955, Soils and Fertilizers, V18, P373

[8] An examination of the Degtjareff method for determining soil organic matter, and a proposed modification of the chromic acid titration method [J]. SOIL SCIENCE, 1934, 37 (01) : 29 - 38

[9] WARREN RG, 1956, P FERTIL SOC