Ejemplares similares: Echantillonnage du sol et preparation des echantillons: guide de recherche de Iiita, No. 2
- Maladies du soja: biologie, identification et lutte: guide de recherche de lIita, No. 40
- Soil property and crop yield responses to variation in land use and topographic position: Case study from southern highland of Ethiopia
- Utilisation des cartes dans la planification des fermes experimentales: Guide de recherche de lIita, No. 7
- La construction et lentretien des routes dans les stations experimentales: Guide de recherche de Iiita No. 20
- Land survey for research stations: IITA research guide, No. 1
- Innovation inventory 2021: Bean program & PABRA at 25 prioritizing innovations and areas of growth
Autor: Pleysier, J.L.
- A single-extraction method using silver-thiourea for measuring exchangeable cations and effective CEC in soils with variable charges
- Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics
- A new method for the simultaneous measurement of Ph-dependent cation exchange capacity and ph buffering capacity
- Amelioration of a degraded Oxic Paleustalf by leguminous and natural fallows
- Effect of agroforestry woody species on earthwarm activities and physicochemical properties of warm casts
- Extraction of potassium from some kaolinitic soils of the tropics