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In low-input systems, where most nutrients become available from soil organic matter (SOM) and residue turnover, the applicability of DSSAT (Decision Support System for Agrotechnology Transfer) crop simulation models is limited because (i) it recognizes only one type of SOM (i.e., humus) and rece...


Gijsman, AJHoogenboom, GerritParton, WJKerridge, Peter C.[Modifying DSSAT crop models for low-input agricultural systems using a soil organic matter-residue module from Century]Modifying DSSAT crop models for low-input agricultural systems using a soil organic matter-residue module from Century

Most commercial Brachiaria species are adapted to low-fertility acid soils of the tropics. We describe, with examples, some of the attributes that enable them to adapt. These include the ability to (1) maintain root growth at the expense of shoot growth; (2) acquire and use both nitrate and ammon...


Rao, Idupulapati M.Kerridge, Peter C.Macedo, Manuel Cláudio Motta[Nutritional requirements of Brachiaria and adaptation to acid soils]Nutritional requirements of Brachiaria and adaptation to acid soils

Roothaert, Ralph L.Asis, PBinh, LHBosma, R.H.Gabonada, EGabunada, FIbrahimKerridge, Peter C.Kexian, YKhanh, T.T.Magboo, EMoneva, LNakamanee, GPhaikaew, CPhimphachanhvongsod, V.Sanguinhon, JSamson, JGYen, VH[RETA 5866 : Fourth agriculture and natural resources research at CGIAR centers: developing sustainable forage technologies for resource-poor upland farmers in Asia: Forages for Smallholders Project: Six-monthly report, 1 July-31 December 2001]RETA 5866 : Fourth agriculture and natural resources research at CGIAR centers: developing sustainable forage technologies for resource-poor upland farmers in Asia: Forages for Smallholders Project: Six-monthly report, 1 July-31 December 2001

Zhinping, QRao, Idupulapati M.Ricaurte Oyola, José JaumerAmézquita Collazos, EdgarSanz, JoséKerridge, Peter C.[Root Distribution Effects on Nutrient Uptake and Soil Erosion in Crop-Forage Systems on Andean Hillsides = Effet de la distribution des racines sur Ie prélèvement d'éléments nutritifs et sur l'érosion dans les systèmes fourrager andins]Root Distribution Effects on Nutrient Uptake and Soil Erosion in Crop-Forage Systems on Andean Hillsides = Effet de la distribution des racines sur Ie prélèvement d'éléments nutritifs et sur l'érosion dans les systèmes fourrager andins
Pérez, T.Kerridge, Peter C.[Forage for smallholders : the ADB project: expected outputs from the project and ADB requirements]Forage for smallholders : the ADB project: expected outputs from the project and ADB requirements

This paper reviews published and unpublished information on the physiological and agronomic characteristics associated with the widespread adaptation of Brachiaria species. Adaptation to shade, drought, flooding, rainfall, and defoliation are discussed. Strong regrowth under frequent defoliation ...


Fisher, Myles J.Kerridge, Peter C.[The agronomy and physiology of Brachiaria species]The agronomy and physiology of Brachiaria species
Zhiping, QiRao, Idupulapati M.Ricaurte Oyola, José JaumerAmézquita Collazos, EdgarSanz Scovino, José IgnacioKerridge, Peter C.[Root distribution and nutrient uptake in crop-forage systems on Andean hillsides]Root distribution and nutrient uptake in crop-forage systems on Andean hillsides
Argel M., Pedro J.Lobo, M.González, J.Romero, F.Holmann, Federico J.Lascano, Carlos E.Kerridge, Peter C.[The leguminous shrub, Cratylia argentea: a dry season feeding alternative for the humid tropics.]The leguminous shrub, Cratylia argentea: a dry season feeding alternative for the humid tropics.

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