978-0-12-000749-3

Table of contents :
Content:
Advisory Board
Page ii

Edited by
Page iii

Copyright page
Page iv

Contributors
Page vii

Preface
Page ix
Donald L. Sparks

Use of Computer-Assisted Tomography in Studying Water Movement Around Plant Roots Original Research Article
Pages 1-54
L.A.G. Aylmore

Phosphogypsum in Agriculture: A Review Original Research Article
Pages 55-118
Isabelo S. Alcordo, Jack E. Rechcigl

Nutrient Cycling and Soil Fertility in the Grazed Pasture Ecosystem Original Research Article
Pages 119-199
R.J. Haynes, P.H. Williams

Electrical Conductivity Methods for Measuring and Mapping Soil Salinity Original Research Article
Pages 201-251
J.D. Rhoades

Breeding, Physiology, Culture, and Utilization of Cicer Milkvetch (Astragalus cicer L.) Original Research Article
Pages 253-308
C.E. Townsend

Index
Pages 309-315