Farming system research and the quest for a sustainable agriculture A. BudelmanF. Van Der Pol OriginalPaper Pages: 187 - 206
Substitution of nitrogen requirement of maize through leaf biomass of Leucaena leucocephala: agronomic and economic considerations S. P. MittalS. S. GrewalA. D. Sud OriginalPaper Pages: 207 - 216
Performance of wheat as intercrop under poplar (Populus deltoides Bartr.) plantations in Punjab (India) P. K. RalhanA. SinghR. S. Dhanda OriginalPaper Pages: 217 - 222
Direct impacts of sheep upon Douglas-fir trees in two agrosilvopastoral systems S. H. SharrowD. H. CarlsonD. P. Lavender OriginalPaper Pages: 223 - 232
Effect of perennial mulches on moisture conservation and soil-building properties through agroforestry V. P. S. TomarP. NarainK. S. Dadhwal OriginalPaper Pages: 241 - 252
The potential of intercropping as an alternative land use system in temperate North America P. A. WilliamsA. M. Gordon OriginalPaper Pages: 253 - 263