Title: Animal manure on grassland and fodder crops
Subjects: Agricultural wastes, Animal waste, Congresses, Environmental aspects of Animal waste, Manures, Fixation, Micro-organisms, Nitrogen-fixing, Nitrogen, Fertilizers and manures, Plant physiology, Soil biology, Plants, Effect of trace elements on, Food crops, Nutrition, Tropical crops, Fertilizers, Deficiency diseases in plants, Micronutrient fertilizers, Soils, Trace element content