Vol. 48 No. 1 (2000)

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

  • PDF

• 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

  • PDF

• 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

  • PDF

• Quantification of biological N2 fixation of hedgerow trees in Northern Lampung

  K. Hairiah, M. Van Noordwijk, G. Cadisch

  47-59

  • PDF

• 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

  • PDF

• 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

  • PDF

• Agro-ecological strategies in North Lampung, Indonesia: social constraints to biological management of soil fertility

  R. Gauthier

  91-104

  • PDF

• 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

  • PDF

• The biological management of soil fertility project

  A.P. Whitmore

  115-122

  • PDF