Biology Forums - Study Force

____________________ are a smooth, round, and dust-free dry fertilizer; have superior flowing and
  spreading qualities; are free of fines; are easy to use; and are coated to prevent caking during storage.

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

Question 2

____________________ trace elements are made by adding salts to molten glass, which is poured into
  cold running water. The glass cools and shatters; the pieces are then ground into fine powder.

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

Question 3

Potash is mostly mined in deep mines from deposits laid down in geologic time by evaporating
  shallow seas. Does the United States supply the greatest amount of the worlds potash?

 
  Indicate by YES (Y) or NO (N).

Question 4

Are the factors to consider when choosing a fertilizer crop, time of year, application method, and cost?
 
  Indicate by YES (Y) or NO (N).

Question 5

Do mixed fertilizers contain several carriers and are they always dry in form?
 
  Indicate by YES (Y) or NO (N).

Question 6

Are the trace elements boron, copper, iron, manganese, zinc, and molybdenum found in fertilizers?
 
  Indicate by YES (Y) or NO (N).

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