Soil compaction in crop production

摘要: Foreword. Note on Usage of Terms, Symbols and Units. List Contributors. Part A: Introduction. Soil compaction problems in world agriculture (B.D. Soane, C. van Ouwerkerk). B: - Vehicle Mechanics. Mechanics soil (A.J. Koolen). compactability compressibility (R. Horn, M. Lebert). Prediction under vehicles (S.C. Gupta, R.L. Raper). C: Effects Compaction Properties. microstructure (M.J. Kooistra, N.K. Tovey). Determination use bulk density relation to (D.J. Campbell). hydraulic properties Horton, M.D. Ankeny, R.R. Allmaras). aeration (W. Stepniewski, J. Glinski, B.C. Ball). strength parameters (J. Gu6rif). biota biological processes (L. Brussaard, H.G. Faassen). D: Mechanisms Incidence Crop Responses Compaction. crop responses (F.R. Boone, B.W. Veen). temperate crops North America Lindstrom, W.B. Voorhees). tropical (B. Kayombo, R. Lal). forest (E.B. Wronski, G. Murphy). perennial forage (J.T. Douglas). Role climate factors influencing Central Eastern Europe Lipiec, Simota). E: Traffic Systems Production. Quantification vehicle running gear (F.G.J. Tijink). traffic systems production (H. Kuipers, J.C. de Zande). Benefits low ground pressure tyre equipment (G.D. Vermeulen, U.D. Perdok). limited axle load (I. H6kansson, H. Petelkau). tracked (D.C. Erbach). Development benefits gantries controlled-traffic (J.H. Taylor). F: Economic Aspects Its Control. Economics modifying conventional minimize (K. Eradat Oskouiet al.). gantry- tractor-based zero-traffic (W.C.T. Chamen, E. Audsley, J.B. Holt). Control avoidance practice (W.E. Larson et G: Conclusion. Conclusions recommendations for further research (C. Ouwerkerk, B.D. Soane). Index.