主题词：Soil Carbon and Nitrogen Dynamics; Crop Yield and Soil Fertility; Agronomic Practices and Intercropping Systems; Genetics and Plant Breeding; Wheat and Barley Genetics and Pathology; Plant Physiology and Cultivation Studies; Soil and Unsaturated Flow; Soil Management and Crop Yield; Weed Control and Herbicide Applications; Soil erosion and sediment transport; Soil Geostatistics and Mapping; Plant Water Relations and Carbon Dynamics; Irrigation Practices and Water Management; Plant Micronutrient Interactions and Effects; Legume Nitrogen Fixing Symbiosis; Seed Germination and Physiology; Allelopathy and phytotoxic interactions; Horticultural and Viticultural Research; Plant Disease Resistance and Genetics; Clay minerals and soil interactions; Agricultural Science and Fertilization; Soil and Water Nutrient Dynamics; Growth and nutrition in plants; Plant Pathogens and Fungal Diseases; Agricultural pest management studies