《植物营养学》课程教学资源（PPT课件）第四章 微量营养元素 4.7 氯 Cl

中国农业大学：《植物营养学》课程教学资源（PPT课件）有益元素营养功能

Factors effecting the plant uptake 影响养分吸收的因素主要包括介质中的养分浓度、温 度、光照强度、士壤水分、通气状况、土壤pH值、养分离 子的理化性质、根的代谢活性、苗龄、生育时期植物体内养 分状况等

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

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)

Aims of this lecture Summarize properties of the rhizosphere, especially Gradients in Nutrient concentration Redox potential Exudates Microbial activity Non-infecting rhizosphere microorganisms Infecting rhizosphere microorganisms that are relevant to plant mineral nutrition red from H Marschner:

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

中国农业大学：《植物营养学》课程教学资源（PPT课件）施肥与作物品质和环境

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

第一节 土壤孔性和三相组成 第二节 土壤结构 第三节 土壤力学性质