Nutrition
15th Edition
ISBN: 9781337906371
Author: Sizer, Frances Sienkiewicz., WHITNEY, Ellie
Publisher: Cengage Learning,
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Textbook Question
Chapter 12, Problem 14SC
Compared with conventionally grown produce, organic produce is often-
- lower in pesticides.
- higher in phytochemicaJs.
- both a and b.
- none of the above
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A scientist is evaluating the effects of soil nitrogen levels of chlorophyll concentration in spinach leaves.
Chlorophyll content is best classified as the...
O independent variable
O dependent variable
Mark all the correct answers with regards to plant nutrition:
-Sulfur fertilizers are irrelevant in increasing crop yields
-Gypsum is the most commonly used soil S amendment
-Potassium sulfate should not be applied in alkaline soils In organic farming, legumes need to be added as cover crops, cash crops, intercroping or green manures
-High SOM will certainly have S sufficiency to crops
-Most soil N is stored as soil organic matter
-Only low organic matter soils have S deficciency
-Inorganic N fertilizer are the only way to balance soil N fertility
_Free living diazotrophs can sustain crop N nutrition
For which of the following problems would growing and maintaining cover crops be an appropriate solution?
Erosion is thinning the soil on a farm.
The organic matter and nutrients in the soil on a farm are being depleted.
The soil on a farm is becoming arid due to decreased water-carrying capacity.
a
I and II only
b
I and III only
c
II and III only
d
I, II, and III
Chapter 12 Solutions
Nutrition
Ch. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - Prob. 3RQCh. 12 - Prob. 1SCCh. 12 - Prob. 2SCCh. 12 - Prob. 3SCCh. 12 - Prob. 4SCCh. 12 - Prob. 5SCCh. 12 - Prob. 6SCCh. 12 - Infants under one year of age should never be fed...
Ch. 12 - Which of the following is correct concerning...Ch. 12 - Irradiation can a. destroy vitamins. b. sterilize...Ch. 12 - Prob. 10SCCh. 12 - It is possible to eliminate all toxins from your...Ch. 12 - Prob. 12SCCh. 12 - Prob. 13SCCh. 12 - Compared with conventionally grown produce,...Ch. 12 - Prob. 15SCCh. 12 - Prob. 16SCCh. 12 - Prob. 17SCCh. 12 - Prob. 18SCCh. 12 - Prob. 19SCCh. 12 - Prob. 20SCCh. 12 - Prob. 1CTCh. 12 - Suggest possible motivations of Industry, growers,...
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