1 - Nutrient Cycles
http://www.swifty.com/apase/charlotte/soil7.html
Plants require selected nutrient ions which are released as a result
of decay - a portion of nutrient cycling. This location includes basic
information about nutrient cycling of plant nutrients.
2 - Plant Nutrients
http://www.ces.uga.edu/cobb/nutrient.html
A listing of the essential micro and macro elements required for normal
growth of plants.
3 - Essential Elements for Plant Growth: List of Essential Elements
http://bob.soils.wisc.edu/~barak/soilscience326/essentl.htm
An outline of inorganic elements required for plant growth.
4 - Essential Elements for Plant Growth: Macro and Micronutrients
http://bob.soils.wisc.edu/~barak/soilscience326/macronut.htm
This site provides qualitative and quantitative information about elements
required by plants.
5 - Essential Elements for Plant Growth: Primary and Secondary Nutrients
http://bob.soils.wisc.edu/~barak/soilscience326/lawofmin.htm
The soil as a source of primary and secondary plant nutrients. Limiting
elements are noted.
6 - Essential Elements for Plant Growth: The Law of the Minimum
http://bob.soils.wisc.edu/~barak/soilscience326/lawofmin.htm
The element in most limiting supply determines the plant growth response
- according to the Law of the Minimum.
7 - Nutrient Deficiencies
http://bob.soils.wisc.edu/~barak/soilscience326/deficien.htm
The characteristic nutrient deficiency symptoms of plants is outlined
at this site.
8 - Essential Elements for Growth: Nitrogen
http://bob.soils.wisc.edu/~barak/soilscience326/nitrogen.htm
Nitrogen supply is often limiting in the environment. Nitrate and ammonium
ions are discussed at this site.
9 - Essential Elements for Growth: Phosphorus
http://bob.soils.wisc.edu/~barak/soilscience326/phosphor.htm
Phosphorus is incorporated into many critical metobolites. This requirement
is discussed.
10 - Essential Elements for Growth: Potassium
http://bob.soils.wisc.edu/~barak/soilscience326/potassiu.htm
Potassium is commonly added to general purpose fertilizers. The role
of potassium is discussed.
11 - Solubility of Plant Nutrients
http://hammock.ifas.ufl.edu/txt/fairs/16662
The acidity of the soil is a primary factor in determining nutrient
availability. This presentation includes the importance of pH and provides
a link to the Florida Information Retrival System.
12 - What is Plant Nutrition?
http://retirees.uwaterloo.ca:80/~jerry/orchids/nutri.html
This site includes a basic discussion of plant nutrition and relates
the importance of soil characteristics.
13 - Plant-Microbe Metabolism
http://www.dundee.ac.uk/~rparsons/
This presentation outlines the importance of nitrogen fixation and
extends the information to a variety of links associated with nitrogen
fixation.