Front Cover; Advances in Agronomy, Volume 42; Copyright Page; CONTENTS; Contributors; Preface; CHAPTER 1. BIOLOGICAL EFFICIENCIES IN MULTIPLE-CROPPING SYSTEMS; I. Introduction; II. Importance of Multiple-Species Systems; III. Efficiency of Resource Use by Multiple Species; IV. Pest Management in Multiple-Cropping Systems; V. Biological and Economic Stability of Cropping Systems; VI. Future Applications for Multiple-Cropping Systems; References; CHAPTER 2. SEED COATINGS AND TREATMENTS AND THEIR EFFECTS ON PLANT ESTABLISHMENT; I. Introduction; II. The Seed-Coating Process.

III. Coatings to Facilitate PlantingIV. Inoculant Coatings; V. Protective Coatings; VI. Nutrient Coatings; VII. Herbicide Coatings; VIII. Other Coatings; IX. Treatment Processes; X. Conclusions; References; CHAPTER 3. CONSERVATION TILLAGE FOR SUSTAINABLE AGRICULTURE: TROPICS VERSUS TEMPERATE ENVIRONMENTS; I. Introduction; II. Conservation Tillage and Sustainable Agriculture; III. Mulch and No-Till Farming for Different Ecological Environments; IV. Pros and Cons of the No-Till System: Tropics versus Temperate Zones; V. Noninversion and Minimum Tillage; VI. Subsoiling as Conservation Tillage.

VII. Conservation Tillage for Problem SoilsVIII. Why Conservation Tillage?; IX. Environmental Pollution and Conservation Tillage; X. The Systems Approach to Conservation Tillage and Supportive Cultural Practices; XI. Soil Guide to Conservation Tillage; XII. Research and Development Priorities; XIII. Conclusions; References; CHAPTER 4. MICROBIALLY MEDIATED INCREASES IN PLANT-AVAILABLE PHOSPHORUS; I. Introduction; II. Sources of Plant-Available Phosphate in Soils; Ill. Mycorrhizal Effects on Plant Phosphate Availability; IV. Phosphobacterins and Organic Phosphate Mineralization.

V. Inorganic Phosphate-Solubilizing MicroorganismsVI. Sulfur Oxidation and Rock Phosphate-Sulfur Mixtures; VII. Future of Technologies; References; CHAPTER 5. ENZYMOLOGY OF THE RECULTIVATION OF TECHNOGENIC SOILS; I. Introduction; II. Technogenic Soils from Coal Mine Spoils; Ill. Technogenic Soils from Power Plant Wastes; IV. Technogenic Soils from Retorted Oil Shale; V. Technogenic Soils from Iron Mine Spoils; VI. Technogenic Soils from Manganese Mine Spoils; VII. Technogenic Soils from Lead and Zinc Mine Wastes; VIII. Technogenic Soils from Sulfur Mine Spoils.

IX. Technogenic Soils from Lime and Dolomite Mine SpoilsX. Technogenic Soils from Refractory Clay Mine Spoils; XI. Technogenic Soils from Bentonitic Clay Mine Spoils; XII. Technogenic Soils on Sand Opencast Mine Floor Drift and Spoils; XIII. Technogenic Soils from Overburdens Remaining after Pipeline Construction; XIV. Recultivation of Soils Remaining after Topsoil Mining -- XV. Concluding Remarks; References; CHAPTER 6. EFFECTS OF NITRIFICATION INHIBITORS ON NITROGEN TRANSFORMATIONS, OTHER THAN NITRIFICATION, IN SOILS; I. Introduction.