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Author Question: Which of the following is a major reason that most of the uncultivated but potentially arable lands ... (Read 17 times)

joesmith1212

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Which of the following is a major reason that most of the uncultivated but potentially arable lands of South America and Africa should not be used for agricultural production?
 
  A) Their cultivation would increase global biological diversity.
  B) Their cultivation would aggravate global warming.
  C) They would contribute little to meeting food requirements.
  D) They would require expensive irrigation water for high productivity.
  E) They are too infertile.

Question 2

Shifting cultivation is characterized by:
 
  A) an agroforestry system emphasizing intermixing of food crops and woody species.
  B) shifting from one food crop to another in alternate years.
  C) the shifting of land management of a given area from one farmer to another.
  D) alternating 2-3 years' food crop production with a much longer period of fallow.
  E) cutting and burning of woody species to reduce the C/N ratio of the crop residues.


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princessflame2016

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joesmith1212

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Reply 2 on: Jul 22, 2018
Wow, this really help


kthug

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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