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Author Question: Recent research with annual crops such as wheat, sunflower and sorghum in the Great Plains region ... (Read 76 times)

jc611

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on: Jul 22, 2018
Recent research with annual crops such as wheat, sunflower and sorghum in the Great Plains region suggests that, compared to continuous cropping, soil quality, crop productivity and farm profitability are likely to be greater when crops are grown in a field only every second year with the soil keep free of weeds in the non-crop year by repeated cultivation of herbicide application.
 
  Indicate whether the statement is true or false

Question 2

The bulk of gaseous interchange in soils takes place by ________.
 
  A) dissolution in water
  B) mass flow
  C) respiration
  D) partial pressure of N2
  E) diffusion
The Nature and Properties of Soils ¦ Weil, Well, Brady ¦ 15th Edition
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mirabriestensky

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Reply #1 on: Jul 22, 2018
Answer to Question 1

FALSE

Answer to Question 2

E


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