Biology Forums - Study Force

____________________ is uncultivated areas used for livestock grazing, particularly in the western
  United States. It is particularly important because it occupies such a large proportion of land surface
  and provides food and important wildlife habitat.

 
  Fill in the blank(s) with the appropriate word(s).

Question 2

Summer ____________________ is the practice of leaving the soil crop- and weed-free to store
  moisture

 
  Fill in the blank(s) with the appropriate word(s).

Question 3

In ____________________, a plant emits chemicals from the roots that suppress growth of other
  plants.

 
  Fill in the blank(s) with the appropriate word(s).

Question 4

Soils tend to be cooler and wetter in conservation tillage. Is the no-till method a good choice for cold,
  poorly-drained, fine-textured soils?

 
  Indicate by YES (Y) or NO (N).

Question 5

In the western United States, where moisture preservation is critical, does plowing immediately after
  harvest give more time for the soil to store moisture if weeds are controlled?

 
  Indicate by YES (Y) or NO (N).

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