Seed Science Research: Volume 8 p. 1-74, September 1998, Supplement No. 1 Ultra-Dry Seed Storage, CABI/IPGRI Joint Publication
Cassava varietal improvement program at Umas Jaya Farm and its contribution to small farmer communities in Sumatra, Indonesia
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