The Effect of DDT Contamination on the Productivity of a Cultivated Forest Soil in the Sub-Humid Tropics

(1) Seed yields of cowpea (Vigna unguiculata (L.) Walp) were assessed in each of two annual growing seasons over the 4-year period 1973 to 1976 from experimental plots under continuous cultivation on land newly cleared from bush regrowth in Ibadan, S. Nigeria. No fertilizer was applied throughout th...

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Veröffentlicht in:	The Journal of applied ecology 1979-12, Vol.16 (3), p.705-719
Hauptverfasser:	Perfect, T. J., Cook, A. G., Critchley, B. R., Critchley, U., Davies, A. L., Swift, M. J., Russell-Smith, A., Yeadon, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Agricultural seasons Agricultural soils Crops Forest soils Growing seasons Pesticides Soil pollution Soil productivity Tillage Tropical soils
Online-Zugang:	Volltext
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