摘要: Presents information on how to make the best use of farm manure and slurry. Substitution of fertilisers with livestock manures; Nutrient value of slurries; Nitrogen content of dirty water.年份: 2005 收藏 引用 批量引用 报错 分享 全部来源 求助全文 ProQuest EBSCO EBSCO ...
4. Egg Shells Manure You can make a slow-release calcium fertilizer by rinsing out the eggshells with water and drying them on a window sill to stop them from growing mold. Once dry, grind the eggshells up in a blender or with a mortar and pestle. Store in a glass jar. Eggshells cont...