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Description

Potassium plays a major role in plant growth. It maintains the solutions in plant cells at ionic strengths suitable for maintaining strong plant walls and for the proper functioning of leaf pores (stomata) and plant processes such as photosynthesis, transport of sugars and enzyme activation.

Potassium does not become a direct part of the plant structure but acts to regulate water balances, nutrient and sugar movement in plant tissue. Plants deficient in potassium cannot use other nutrients and water efficiently. They are less tolerant of stresses such as drought and waterlogging and are more susceptible to pests and diseases.

Publication Date

2010

Series Number

4802

Publisher

Department of Agriculture and Food, Western Australia

City

Bunbury

Keywords

Pastures, Tissue analysis, Soil testing, Potassium fertilizers

Disciplines

Agriculture | Animal Sciences | Food Science

Potassium for high rainfall pastures

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