INCUBATION TECHNIQUE FOR ASSESSING NITROGEN STATUS OF SOILS NEWLY PLOUGHED FROM LEYS

[1] BHAUMIK H. D., 1947, SOIL SCI SOC AMER PROC, V12, P234

[2] BREMNER J. M., 1955, J. agric. Set., V46, P320

[3] USE OF DEEP-FREEZING IN THE PRESERVATION AND PREPARATION OF FRESH SOIL SAMPLES [J]. NATURE, 1958, 181 (4619) : 1334 - 1335

[4] HARMSEN G. W., 1955, Advanc. Agron., V7, P299, DOI 10.1016/S0065-2113(08)60341-7

[5] LYON TL, 1923, J AM SOC AGRON, V15, P457

[6] Pipper C.S., 1950, SOIL PLANT ANAL, V1st, P47

[7] The nitrogen cycle in grassland soils: With especial reference to the Rothamsted Park Grass Experiment [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1938, 28 : 73 - 121

[8] STANFORD GEORGE, 1955, SOIL SCI SOC AMER PROC, V19, P74

[9] WILLIAMS TE, 1958, 10 GRASSL RES I EXP, P100

[10] WINSOR G. W., 1956, Journal of the Science of Food and Agriculture, V7, P142, DOI 10.1002/jsfa.2740070209

[1] BHAUMIK H. D., 1947, SOIL SCI SOC AMER PROC, V12, P234

[2] BREMNER J. M., 1955, J. agric. Set., V46, P320

[3] USE OF DEEP-FREEZING IN THE PRESERVATION AND PREPARATION OF FRESH SOIL SAMPLES [J]. NATURE, 1958, 181 (4619) : 1334 - 1335

[4] HARMSEN G. W., 1955, Advanc. Agron., V7, P299, DOI 10.1016/S0065-2113(08)60341-7

[5] LYON TL, 1923, J AM SOC AGRON, V15, P457

[6] Pipper C.S., 1950, SOIL PLANT ANAL, V1st, P47

[7] The nitrogen cycle in grassland soils: With especial reference to the Rothamsted Park Grass Experiment [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1938, 28 : 73 - 121

[8] STANFORD GEORGE, 1955, SOIL SCI SOC AMER PROC, V19, P74

[9] WILLIAMS TE, 1958, 10 GRASSL RES I EXP, P100

[10] WINSOR G. W., 1956, Journal of the Science of Food and Agriculture, V7, P142, DOI 10.1002/jsfa.2740070209