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- Role of mulching techniques in tropical soil and water management, a reference document from 1975 PN-AAR-250
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- Surface and charges characteristics of selected soils in the tropics, a journal article from 1976 PN-AAE-613
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- Evaluation of cation exchange capacity measurements for soils in the tropics, a journal article from 1976 PN-AAE-618
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- Unifoliate leaf, a mutant in cowpeas, a journal article from 1976 PN-AAE-628
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- Urea transformation in some tropical soils, a journal article from 1977 PN-AAE-610
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- Diurnal changes in acetylene reduction in field - grown cowpeas and soybeans, a journal article from 1977 PN-AAE-611
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- Soluble and exchangeable aluminum in utisole and alfisols in West Africa, a journal article from 1977 PN-AAE-617
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- Cassava production and extension in Central Africa, a conference proceedings/paper from 1980 PN-AAN-483
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- Tasks for the eighties : a long - range plan, an other usaid supported study/document from 1981 PN-AAM-796
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- First international symposium on land clearing and development in the tropics = Premier symposium international sur le defrichement et la mise en valeur des sols des regions tropicales, a conference proceedings/paper from 1982 PN-AAQ-291
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- IITA annual report 1982, an annual report from 1983 PN-AAN-732
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- No-till farming : soil and water conservation and management in the humid and subhumid tropics, a reference document from 1983 PN-AAR-251
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- Current and future trends in tillage in the humid and subhumid tropics, a conference proceedings/paper from 1983 PN-AAR-688
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- Tropical root crops : their improvement and utilization, a conference proceedings/paper from 1984 PN-AAS-303
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- Alley cropping : a stable alternative to shifting cultivation, an other usaid supported study/document from 1984 PN-AAS-591
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- Alley farming in the humid and subhumid tropics (state of the art, research, training and collaboration), an other usaid supported study/document from 1986 PN-ABD-755
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