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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

Discuss Concepts Using Table 35.1 as a guide, describe some of the known roles of nitrogen, phosphorus, and potassium in plant function. What are some of the signs that a plant suffers a deficiency in those elements?

Summary Introduction

To review:

The roles performed by minerals like nitrogen, phosphorus, and potassium in plant function. Also, explain the signs of deficiency of these minerals that may be seen in plants.

Introduction:

The growth and development of the plants are dependent on various chemical elements. These elements are involved directly or indirectly in the metabolism of the plants and are broadly categorized as macro and micronutrients. The lack or deficiency of any of these elements results in hindering the plant growth or development in various ways.

Explanation

According to table 35.1 given in the textbook, the functions performed by nitrogen, phosphorus, and potassium and the signs of deficiency of each element are listed below:

1. Nitrogen: This element is an important part of the nucleic acids present in the plant. It is also an important component found in coenzymes, proteins, and chlorophylls. Its deficiency results in stunted growth. Nitrogen is an important component of chlorophyll, so in case of deficiency, the leaves are often light green in color and the older leaves become yellow and suffer chlorosis.

2. Phosphorus: It is also an important component of nucleic acids. It is found in various coenzymes found in the plant. Phosphorus is an integral part of energy providing molecule, ATP (adenosine triphosphate)...

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