PHOTOMETRIC-DETERMINATION OF HUMIC MATTER IN SOILS, A PROPOSED METHOD

[1] HERBICIDE PHYTOTOXICITY AS AFFECTED BY SELECTED PROPERTIES OF NORTH-CAROLINA SOILS [J]. WEED SCIENCE, 1976, 24 (01) : 120 - 126

[2] ADSORPTION OF PROMETRYN AND METOLACHLOR BY SELECTED SOIL ORGANIC-MATTER FRACTIONS [J]. SOIL SCIENCE, 1983, 136 (02) : 94 - 101

[3] STREK HJ, 1983, P SO WEED SCI SOC, V36, P398

[4] 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

[5] ADSORPTION, BIOACTIVITY, AND EVALUATION OF SOIL TESTS FOR ALACHLOR, ACETOCHLOR, AND METOLACHLOR [J]. WEED SCIENCE, 1982, 30 (01) : 14 - 20

[6] WEBER JB, 1981, P SO WEED SCI SOC, V34, P265

[7] 1965, METHODS SOIL ANAL

[1] HERBICIDE PHYTOTOXICITY AS AFFECTED BY SELECTED PROPERTIES OF NORTH-CAROLINA SOILS [J]. WEED SCIENCE, 1976, 24 (01) : 120 - 126

[2] ADSORPTION OF PROMETRYN AND METOLACHLOR BY SELECTED SOIL ORGANIC-MATTER FRACTIONS [J]. SOIL SCIENCE, 1983, 136 (02) : 94 - 101

[3] STREK HJ, 1983, P SO WEED SCI SOC, V36, P398

[4] 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

[5] ADSORPTION, BIOACTIVITY, AND EVALUATION OF SOIL TESTS FOR ALACHLOR, ACETOCHLOR, AND METOLACHLOR [J]. WEED SCIENCE, 1982, 30 (01) : 14 - 20

[6] WEBER JB, 1981, P SO WEED SCI SOC, V34, P265

[7] 1965, METHODS SOIL ANAL