EFFECTS OF CULTIVATION AND DDT ON EARTHWORM ACTIVITY IN A FOREST SOIL IN THE SUB-HUMID TROPICS

[1] CRITCHLEY BR, PEDOBIOLOGIA

[2] Edwards C.A, 1972, BIOL EARTHWORMS

[3] Edwards C. A., 1973, PERSISTENT PESTICIDE

[4] LAVELLE P, 1975, REV ECOL BIOL SOL, V12, P11

[5] The chemical composition of earthworm casts [J]. SOIL SCIENCE, 1944, 58 (01) : 367 - 375

[6] MADGE DS, 1969, PEDOBIOLOGIA, V9, P188

[7] INFLUENCE OF DIFFERENT MULCH TREATMENTS ON GROWTH-RATE AND ACTIVITY OF EARTHWORM EUDRILUS-EUGENIAE (KINBERG) [J]. ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE, 1978, 141 (04): : 453 - 468

[8] NIJHAWAN S. D., 1952, Indian Journal of Agricultural Science, V22, P357

[9] SOME SOIL-FORMING PROCESSES IN THE HUMID TROPICS .4. THE ACTION OF THE SOIL FAUNA [J]. JOURNAL OF SOIL SCIENCE, 1955, 6 (01): : 73 - 83

[10] PERFECT TJ, J APPLIED ECOLOGY

[1] CRITCHLEY BR, PEDOBIOLOGIA

[2] Edwards C.A, 1972, BIOL EARTHWORMS

[3] Edwards C. A., 1973, PERSISTENT PESTICIDE

[4] LAVELLE P, 1975, REV ECOL BIOL SOL, V12, P11

[5] The chemical composition of earthworm casts [J]. SOIL SCIENCE, 1944, 58 (01) : 367 - 375

[6] MADGE DS, 1969, PEDOBIOLOGIA, V9, P188

[7] INFLUENCE OF DIFFERENT MULCH TREATMENTS ON GROWTH-RATE AND ACTIVITY OF EARTHWORM EUDRILUS-EUGENIAE (KINBERG) [J]. ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE, 1978, 141 (04): : 453 - 468

[8] NIJHAWAN S. D., 1952, Indian Journal of Agricultural Science, V22, P357

[9] SOME SOIL-FORMING PROCESSES IN THE HUMID TROPICS .4. THE ACTION OF THE SOIL FAUNA [J]. JOURNAL OF SOIL SCIENCE, 1955, 6 (01): : 73 - 83

[10] PERFECT TJ, J APPLIED ECOLOGY