**Author details**

Md Asaduzzaman1,2\* and Toshiki Asao1

\*Address all correspondence to: asadcbt@bari.gov.bd

1 Department of Agriculture, Faculty of Life and Environmental Science, Shimane University, Shimane, Japan

2 Olericulture Division, Horticulture Research Center, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

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transport in plants: Physiology and molecular


**Chapter 2**

**Provisional chapter**

**Potassium Nutrition in Plants and Its Interactions with**

Potassium is an essential major nutrient for plant growth and development. Plants absorb more K (potassium) than any other element, with the exception of N. Most plant-available forms of essential plant nutrients are ionic. Among the many plant mineral nutrients, K stands out as a cation having the strongest influence on quality attributes. Potassium ions are involved in many processes that result from ionic activity in the hydroponic nutrient solution and often provide positive contributions. Due to the presence of potassium cation ions, some elements increase in nutrient solution, whereas others decrease.

**Keywords:** plant nutrient, major (macro) nutrient, potassium (K), cation exchange

Light, water, and nutrients are the three essential elements for plant growth and reproduction. The nutritional factor is concerned with the content, as well as understanding the important differences between the agricultural systems and managing the plants to provide nutrients. Water-soluble inorganic chemicals are absorbed by plant roots, and these are essential plant nutrients. Plant nutrients are taken up by the plant through many biological transformations

Approximately 17 chemical elements play an important role in plant growth. Carbon, oxygen, and hydrogen are derived from air and water. They form the dry part of the plant. They are obtained by photosynthesis and are not considered "nutrient" elements. Nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), sulfur (S), iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), boron (B), molybdenum (Mo), chlorine (Cl), and nickel (Ni) elements

**Potassium Nutrition in Plants and Its Interactions with** 

DOI: 10.5772/intechopen.71951

© 2016 The Author(s). Licensee InTech. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution,

© 2018 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use,

distribution, and reproduction in any medium, provided the original work is properly cited.

and reproduction in any medium, provided the original work is properly cited.

**Other Nutrients in Hydroponic Culture**

**Other Nutrients in Hydroponic Culture**

Betül Çalişkan and Ali Cengiz Çalişkan

Betül Çalişkan and Ali Cengiz Çalişkan

http://dx.doi.org/10.5772/intechopen.71951

capacity, nutrient-ion activities

that determine when and how plants will take them.

**Abstract**

**1. Introduction**

Additional information is available at the end of the chapter

Additional information is available at the end of the chapter

**Provisional chapter**
