BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 37, Problem 2U
Summary Introduction

Introduction:

The soil is formed by the weathering of rocks. It is present in the form of different layers on the surface of the crust of the Earth. The soil consists of sand, silt, clay, minerals, organic matter, humus and air in the pore space.

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Soil pH affects availability of nutrients for root absorption. The following statements are true except*   a. Low pH results in an increase in Aluminum toxicity. b. Low pH results to unavailability of major nutrient elements. c. Toxic metals are more available in acidic soil. d. Low pH results in slow activity of soil-inhabiting microorganisms.
The high acidity of the soil means less capacity to bind positively charged ions. True or False?
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