Article Index
Foliar Nutrition
Reasons for deficiency
Plant Nutrients
Requirements & signs of deficiencies
Symptoms of nutrient deficiencies
Trace element deficiency table
Influence of the least nutrient
The influence of pH
The effect of pH
Absorbition of nutrients IONS
All Pages

Foliar Nutrition

Many farmers have used foliar fertilizers with a great deal of success. Supplementary foliar feeding is a way of supplementing the plant's supply with nutrients quickly and specifically. In addition, research has shown that foliar nutrition also promotes the absorbtion of nutrients in the soil.

There are various ways in which foliar nutrition can be done, but the following three are the most important methods and each has a different aim.

General foliar nutrition is used for supplementary feeding and stimulation of plant metabolism. This type generally involves foliar fertilizers with a balanced content of macro and micro nutrients in a nutrient ratio which is suitable for virtually all plants.
images/stories/flower.gif Crop-specific foliar nutrition is usually used for satisfying specific nutrient requirements of various crops. For example, bitter-pit in apples is caused by a localized calcium deficiency in the fruit. Calcium applied to the soil will not cure this, as the calcium is not transported to the fruit in sufficient quantities. Calcium applied via the fruit and leaves is the only way of preventing this deficiency.
images/stories/flower.gif Soil-specific foliar nutrition is aimed at solving soil-specific nutritional problems.
The fixaton of certain nutrients in the soil is the reason for applying foliar fertilizers.

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Soluble Foliar Feeds

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Trace Element Mixtures