TY - BOOK AU - Sparks, Donald TI - Advances in agronomy, Vol.77 SN - 0120007959 SN - 00652113 U1 - 630 PY - 2002/// CY - San Diego, California PB - Academic Press KW - Agriculture KW - Agriculture research N1 - Includes Index and bibliographical references; 1.Desertification and its relation to climate variability and change 2.Fate and transport of viruses in porous media 3.Current capabilities and future needs of root water and nutrient uptake modelling 4.Micronutrients in crop production 5.Soil science in tropical and temperate regions: some differences and similarities 6.Responses of Agricultural Crops to Free-Air CO2 Enrichment 7.The Agronomic and economic potential of break crops for ley/arable rotations in temperate organic agriculture ER -