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Author Question: Give three reasons for using a soilless root substrate rather than a soil-base substrate. What ... (Read 159 times)

Deast7027

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on: Jul 22, 2018
Give three reasons for using a soilless root substrate rather than a soil-base substrate.
 
  What will be an ideal response?

Question 2

What are three sources of Ca and Mg in a greenhouse crop system?
 
  What will be an ideal response?


robbielu01

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

1) If the proper components are selected, pasteurization of the
substrate can be eliminated. 2) Low densities are easily achieved in soilless
substrates. 3) The need for a continuous supply of uncontaminated, uniform soil is
averted.

Answer to Question 2

The water source, liming materials in the root substrate, fertilizers.


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