主题词：Plant Growth and Agriculture Techniques; Soil Carbon and Nitrogen Dynamics; Soil and Land Suitability Analysis; Agricultural Development and Management; Shallot Cultivation and Analysis; Rice Cultivation and Yield Improvement; Plant Growth Enhancement Techniques; Oil Palm Production and Sustainability; Plant Micronutrient Interactions and Effects; Forest Ecology and Conservation; Clay minerals and soil interactions; Water and Land Management; Agricultural Science and Fertilization; Food and Agricultural Sciences; Heavy metals in environment; Soil and Unsaturated Flow; Composting and Vermicomposting Techniques; Crop Yield and Soil Fertility; Agricultural and Environmental Management; Plant-Microbe Interactions and Immunity; Mycorrhizal Fungi and Plant Interactions; Soil erosion and sediment transport; Irrigation Practices and Water Management; Geochemistry and Geologic Mapping; Geotechnical and construction materials studies