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9 Questions

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Soil Conservation Techniques Quiz

Created by

@Quizgecko

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Questions and Answers

What is soil conservation?

The practice of removing soil to create a flat surface for construction.

The prevention of soil loss due to erosion or reduced fertility caused by over-usage, chemical contamination, acidification, or salinization. (correct)

The process of compacting soil to increase its stability.

The process of adding nutrients to soil to improve crop yield.

Which of the following is a technique for improving soil conservation?

Overgrazing

Crop rotation (correct)

Deforestation

Urbanization

What is contour plowing?

Plowing in a zigzag pattern to increase soil porosity.

Plowing along the contours of a slope to prevent soil erosion. (correct)

Plowing in a circular pattern to conserve soil moisture.

Plowing in a straight line to maximize crop yield.

What is soil organic matter?

The amount of plant and animal material in soil. Signup and view all the answers

What is mineralization?

The process of converting organic matter into inorganic nutrients. Signup and view all the answers

What is the role of soil organisms in improving soil health?

Improving soil porosity and nutrient availability. Signup and view all the answers

What is salinity management?

The practice of using salt-tolerant crops in saline soils. Signup and view all the answers

What is no-till farming?

The practice of leaving soil undisturbed by plowing. Signup and view all the answers

What is keyline design?

A method of contour plowing where plowing is done along specific lines to conserve soil moisture. Signup and view all the answers

Study Notes

Soil conservation is the prevention of soil loss due to erosion or reduced fertility caused by over-usage, chemical contamination, acidification, or salinization. Techniques for improved soil conservation include crop rotation, conservation tillage, cover crops, and planted windbreaks. Soil conservation farming involves no-till farming, green manures, and other soil-enhancing practices, which make it hard for soils to be equalized. Contour plowing, terracing, and keyline design are some of the popular techniques to conserve soil. Salinity management, reducing the use of pesticides, and planting species that can tolerate saline conditions can be used to lower water tables and reduce the rate of capillary and evaporative enrichment of surface salts. Soil organisms such as earthworms, nematodes, mycorrhiza, and bacteria play a crucial role in improving soil porosity and nutrient availability. Each one percent increase in soil organic matter helps soil hold 20,000 gallons more water per acre. Mineralization can combat mineral depletion, and flooding can rejuvenate soil chemistry through mineralization.

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Description

Test your knowledge of soil conservation techniques, including crop rotation, conservation tillage, cover crops, and more, with our quiz! Learn about the benefits of these practices, and how they can be used to prevent soil loss due to erosion or over-usage. Discover the role of soil organisms in improving soil porosity and nutrient availability, and how mineralization and flooding can rejuvenate soil chemistry. Don't miss this chance to improve your understanding of soil conservation and its importance for sustainable agriculture!