1. When drip irrigation is used, water is applied to soils drop-wise for differen time periods. On the soil surface, the wetting front moves outward in a circular pattern from the point of drip. (a) Why doesn't all the water go straight downwards in the soil profile? (b) When comparing a clay soil with a sandy soil, state in which soil would the wetting front move faster. (c) Give reason(s) for the answer stated above.
1. When drip irrigation is used, water is applied to soils drop-wise for differen time periods. On the soil surface, the wetting front moves outward in a circular pattern from the point of drip. (a) Why doesn't all the water go straight downwards in the soil profile? (b) When comparing a clay soil with a sandy soil, state in which soil would the wetting front move faster. (c) Give reason(s) for the answer stated above.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Please help with question 1 a, b , c
Transcribed Image Text:1. When drip irrigation is used, water is applied to soils drop-wise for different
time periods. On the soil surface, the wetting front moves outward in a
circular pattern from the point of drip.
(a) Why doesn't all the water go straight downwards in the soil profile?
(b) When comparing a clay soil with a sandy soil, state in which soil would
the wetting front move faster.
(c) Give reason(s) for the answer stated above.
2. Differentiate between soil texture and soil structure.
3. Distinguish between physical and chemical weathering of rocks.
4. Briefly discuss the role of soil as a habitat for living organisms.
5. Outline five benefits that can accrue, at the national level, from the conduct
of soil surveys.
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