Nombre de documents : 3.
Communication sans actes
Productive, soil conserving/improving systems for the tropical American savannas.
Friesen D.K., Thomas Richard James, Sanz José Ignacio, Rao Idupulapati M., Amézquita Edgar, Decaëns Thibaud, Rippstein Georges, Vera R.R..
1996.
In : Proceeding of the second international crop science congress. Anon
. s.l. : s.n., 9 p.
Crop Productivity and Sustainability Shaping the Future, New Delhi, Inde, 16 Novembre 1996/22 Novembre 1996.
Forage legumes - the means to reverse tropical soil degradation with low inputs ?
Thomas Richard James, Rao Idupulapati M., Ayarza J.I., Sanz José Ignacio, Decaëns Thibaud, Rippstein Georges, Gisman A.J., Lavelle Patrick.
1994.
In : Proceesings of the 15th international congress of soil sciences. Anon
. s.l. : s.n., 79-80.
Congrès mondial de la science du sol. 15, Acapulco, Mexique, 10 Juillet 1994/16 Juillet 1994.
An integrated approach to soil-plant-animal interactions on grazed legume-based pastures on tropical acid soils.
Fisher M.J., Lascano Carlos E., Thomas Richard James, Ayarza M.A., Rao Idupulapati M., Rippstein Georges, Thornley J.H.M..
1993.
In : Congrès international des herbages. Massey University
. s.l. : s.n., 1-2.
International grassland congress. 17, Palmerston North, Nouvelle-Zélande, 8 Février 1993/21 Février 1993.
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