Search Results - "clay"

Evidencing overwinter loss of residual organic and clay-fixed nitrogen from spring-applied, 15N-labelled pig slurry by Chantigny, Martin H., Angers, Denis A., Rochette, Philippe, Pomar, Candido, Pelster, David E.

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A comparison of the contributions of clay, silt and organic matter to the effective CEC of soils of subSaharan Africa by Asadu, C., Diels, J., Vanlauwe, Bernard

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La construction et lentretien des routes dans les stations experimentales: Guide de recherche de Iiita No. 20 by Couper, D.C.

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A clay suspension stability end point titration method for measuring cation exchange capacity of soils by Pleysier, J.L., Janssens, J., Cremers, A.

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Using clay based materials as a soil improvement strategy by Ruaysoongnern, Sawaeng, Noble, A.D.

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New sources and stability of resistance to aphids in cowpea germplasm across locations in Uganda by Kityo, R., Odoi, J.B., Ozimati, A., Dramadri, I.O., Agaba, R., Ongom, P.O., Nampala, P., Edema, R., Karungi, J., Gibson, P., Rubaihayo, P.R.

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Clay Mineralogical and Ammonium Fixation Characteristics of Some Tropical Upland Rice Soils by Bajwa, M.I.

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Effect of Soil Clay Mineralogy on the Efficiency of Ammonium Sulfate in Flooded Rice by Bajwa, MI

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Extraction of potassium from some kaolinitic soils of the tropics by Pleysier, J.L., Janssens, J., Cremers, A.

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The joint project on improved management and utilization of dark clay soils in Ethiopia - Retrospects and prospects by Abebe, M., Jutzi, S.C.

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Physical properties and moisture retention characteristics of some Nigerian soils by Lal, R.

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Soil Clay Mineralogies in Relation to Fertility Management: Effect of Soil Clay Mineral Compositions on Potassium Fixation Under Conditions of Wetland Rice Culture by Bajwa, Iqbal

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An Analysis of the Contribution of Organic Matter and Clay to Cation Exchange Capacity of Some Philippine Soils by Sahrawat, K.L.

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Improving soils and boosting yields in Thailand by International Water Management Institute

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Dependence of unfrozen water content in unsaturated frozen clay soil on initial soil moisture content by Suzuki, Shinji

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Effect of cassavabased cropping systems on physicochemical properties of soil and earthworm casts in a tropical Alfisol by Hulugalle, N.R., Ezuma, H.C.

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Phosphorus losses from agricultural land to surface waters : impact of grazing and trampling by horses by Parvage, Mohammed Masud

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Controls on timescales of soil organic carbon persistence across sub‐Saharan Africa by von Fromm, Sophie F., Doetterl, Sebastian, Butler, Benjamin M., Aynekulu, Ermias, Berhe, Asmeret Asefaw, Haefele, Stephan M., McGrath, Steve P., Shepherd, Keith D., Six, Johan, Tamene, Lulseged, Tondoh, Ebagnerin J., Vågen, Tor‐Gunnar, Winowiecki, Leigh A., Trumbore, Susan E., Hoyt, Alison M.

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Physical properties of soils with low activity clays by Lal, R., Greenland, D.J

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Ion exchange involving calcium-potasium (Ca-K) and calcium-magnesium (Ca-Mg) in soil and organic matter fractions by Cofie, Olufunke O., Pleysier, J.

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