illustration of soil science concept, (biochar particles <2mm improving sandy soils), (biochar particles >2mm enhancing clay soils), informative and educational layout, visually engaging graphics, vibrant colors with green and earthy tones, detailed diagrams showcasing soil texture changes, educational annotations, emphasis on particle size differences, (high quality, ultra-detailed), academic style for clarity and understanding.
土壤科学概念的插图,(生物炭颗粒 <2mm改善沙质土壤),(生物炭颗粒> 2mm增强粘土土壤),信息和教育布局,视觉上吸引人的图形,具有绿色和泥土色调的鲜艳色彩,展示土壤质地变化的详细图表,教育注释,强调粒径差异,(高质量,超详细),学术风格清晰明了。