第一节抗生素 第二节酶制剂 第三节益生素 第四节其他饲料添加剂

《植物营养学》课程教学资源（PPT课件）第八章 养分的运输和分配

《植物营养学》课程教学资源（PPT课件）第七章 养分的吸收

《植物营养学》课程教学资源（PPT课件）第六章 土壤养分生物有效性

《植物营养学》课程教学资源（PPT课件）第五章 有益元素

Soil fertil Soil fertility is the characteristics of soil that enables it to Provide nutrients in adequate amounts in adequate time In appropriate balance for growth of particular plant(s)

一、能量的來源及能值 二、人体能量消耗的构成 三、能量消耗的测定方法 四、DRIs及食物来源

General Characteristics A. Micronutrients are required by all plants but in smaller amounts compared to the macronutrients Deficiencies of micronutrients can reduce growth just as much as deficiencies of macronutrients Remember the \Law of the minimum

Foliar fertilizer A foliar fertilizer is one that is applied to the surface of the plant. a Foliar uptake is important to aquatic plants and when nutrients are sprayed on foliage in horticulture and agriculture

中国农业大学：《植物营养学》课程教学资源（PPT课件）钙、镁、硫、硅肥料