Table of Contents
Papers
| Crop yield, C and N balance of three types of cropping systems on an Ultisol in Northern Lampung | |
| K. Hairiah, M. Van Noordwijk, G. Cadisch | 3-17 |
| Biological N2 fixation and residual N benefit of pre-rice leguminous crops and green manures | |
| B. Toomsan, G. Cadisch, M. Srichantawong, C. Thongsodsaeng, K.E. Giller, V. Limpinuntana | 19-29 |
| Applicability of the natural 15N abundance technique to measure N2 fixation in Arachis hypogaea grown on an Ultisol | |
| G. Cadisch, K. Hairiah, K.E. Giller | 31-45 |
| Quantification of biological N2 fixation of hedgerow trees in Northern Lampung | |
| K. Hairiah, M. Van Noordwijk, G. Cadisch | 47-59 |
| Dynamics of density fractions of macro-organic matter after forest conversion to sugarcane and woodlots, accounted for in a modified Century model | |
| S.M. Sitompul, K. Hairiah, G. Cadisch, M. Van Noordwijk | 61-73 |
| Soil organic matter and nitrogen transformation mediated by plant residues of different qualities in sandy acid upland and paddy soils | |
| P. Vityakon, S. Meepech, G. Cadisch, B. Toomsan | 75-90 |
| Agro-ecological strategies in North Lampung, Indonesia: social constraints to biological management of soil fertility | |
| R. Gauthier | 91-104 |
| An analysis of the economic values of novel cropping systems in N. E. Thailand and S. Sumatra | |
| A.P. Whitmore, G. Cadisch, B. Toomsan, V. Limpinuntana, M. Van Noordwijk, P. Purnomosidhi | 105-114 |
| The biological management of soil fertility project | |
| A.P. Whitmore | 115-122 |
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