NITROGEN AND PHOSPHORUS LEVELS IN SOILS BENEATH SEWAGE DISPOSAL PONDS

[1] ADRIANO D C, 1972, Journal of Environmental Quality, V1, P279

[2] Bremner J.M., 1965, METHODS SOIL ANAL PA, P1149

[3] STEAM DISTILLATION METHODS FOR DETERMINATION OF AMMONIUM NITRATE AND NITRITE [J]. ANALYTICA CHIMICA ACTA, 1965, 32 (05) : 485 - &

[4] Day PR., 1965, METHODS SOIL ANAL 1, Vagronomymonogra, P545

[5] Hook J.E., 1973, RECYCLING TREATED MU, P200

[6] KARDOS LT, 1973, RECYCLING TREATED MU, P148

[7] KING L D, 1972, Journal of Environmental Quality, V1, P442, DOI 10.2134/jeq1972.00472425000100040025x

[8] NITRATE CONCENTRATIONS IN DEEP SOIL CORES AS RELATED TO SOIL PROFILE CHARACTERISTICS [J]. JOURNAL OF ENVIRONMENTAL QUALITY, 1974, 3 (01) : 78 - 82

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

[10] PRATT P F, 1972, Journal of Environmental Quality, V1, P97

[1] ADRIANO D C, 1972, Journal of Environmental Quality, V1, P279

[2] Bremner J.M., 1965, METHODS SOIL ANAL PA, P1149

[3] STEAM DISTILLATION METHODS FOR DETERMINATION OF AMMONIUM NITRATE AND NITRITE [J]. ANALYTICA CHIMICA ACTA, 1965, 32 (05) : 485 - &

[4] Day PR., 1965, METHODS SOIL ANAL 1, Vagronomymonogra, P545

[5] Hook J.E., 1973, RECYCLING TREATED MU, P200

[6] KARDOS LT, 1973, RECYCLING TREATED MU, P148

[7] KING L D, 1972, Journal of Environmental Quality, V1, P442, DOI 10.2134/jeq1972.00472425000100040025x

[8] NITRATE CONCENTRATIONS IN DEEP SOIL CORES AS RELATED TO SOIL PROFILE CHARACTERISTICS [J]. JOURNAL OF ENVIRONMENTAL QUALITY, 1974, 3 (01) : 78 - 82

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

[10] PRATT P F, 1972, Journal of Environmental Quality, V1, P97