APES: DO NOT WRITE ON THIS COPY. Place all of your responses on the sheet of notebook paper. Refer to the figure or diagram to answer the question. Where explanation or discussion is required, support your answers with relevant information and/or specific examples. EFFECT OF PERCENT SLOPE ON ANNUAL EROSION FOR FOUR AGRICULTURAL PRACTICES 30 25 Tillage No-till -- No-till+ cover crop Crop 20 15 rotation 10 T= tolerable loss 10 15 20 25 30 Slope (%) Soil erosion is one of the most serious soil-degrading processes. Each year tons of soil erode from cropland, pastures, forests, and other places. The amount of erosion varies dramatically among various land-use types. The figure above shows the effects of different agricultural practices and slopes on annual erosion rates. (a) Refer to the graph above for the following. (1) Identify the scientific question that resulted in the data presented in the graph. (11) Identify the agricultural practice that could be used on a 15% slope without leading to a higher than tolerable loss of soil (ii) Describe the effect of adding a cover crop compared to using the no-till method. (iv) Identify one natural process that causes soil erosion. cediment can enter a Annual Erosion (tons/acre)

APES: DO NOT WRITE ON THIS COPY. Place all of your responses on the sheet of notebook paper. Refer to the figure or diagram to answer the question. Where explanation or discussion is required, support your answers with relevant information and/or specific examples. EFFECT OF PERCENT SLOPE ON ANNUAL EROSION FOR FOUR AGRICULTURAL PRACTICES 30 25 Tillage No-till -- No-till+ cover crop Crop 20 15 rotation 10 T= tolerable loss 10 15 20 25 30 Slope (%) Soil erosion is one of the most serious soil-degrading processes. Each year tons of soil erode from cropland, pastures, forests, and other places. The amount of erosion varies dramatically among various land-use types. The figure above shows the effects of different agricultural practices and slopes on annual erosion rates. (a) Refer to the graph above for the following. (1) Identify the scientific question that resulted in the data presented in the graph. (11) Identify the agricultural practice that could be used on a 15% slope without leading to a higher than tolerable loss of soil (ii) Describe the effect of adding a cover crop compared to using the no-till method. (iv) Identify one natural process that causes soil erosion. cediment can enter a Annual Erosion (tons/acre)

Aquaculture Science

3rd Edition

ISBN:9781133558347

Author:Parker

Publisher:Parker

Chapter1: Aquaculture Basics And History

Section: Chapter Questions

Problem 3KA

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Refer to the figure or diagram to answer the question. Where explanation or discussion is required, support your answers with relevant information and/or specific examples. EFFECT OF PERCENT SLOPE ON ANNUAL EROSION FOR FOUR AGRICULTURAL PRACTICES 30 25 Tillage No-till 20 No-till + cover crop 15 Crop rotation 10 -T- tolerable loss 10 25 30 15 20 Slope (%) Soil erosion is one of the most serious soil-degrading processes. Each year tons of soil erode from cropland, pastures, forests, and other places. The amount of erosion varies dramatically among various land-use types. The figure above shows the effects of different agricultural practices and slopes on annual erosion rates. (a) Refer to the graph above for the following. (1) Identify the scientific question that resulted in the data presented in the graph. (H) Identify the agricultural practice that could be used on a 15% slope without leading to a higher than tolerable loss of soil (ii) Describe the effect of adding a cover crop…
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