When formulating greenhouse root substrates the type of peat moss ...

[jon_i]

When formulating greenhouse root substrates the type of peat moss that is almost always used is _________ and the type of sand is __________
 
  Fill in the blank(s) with correct word

Question 2

What are acceptable pH ranges for soil-base substrate and soilless substrates?
 
  What will be an ideal response?

[jsm54321]

Answer to Question 1

sphagnum peat moss and concrete grade sand.

Answer to Question 2

pH6.2 to 6.8 in soil-based substrates and 5.4 to 6.5 in soilless substrates

[jon_i]

Thanks for the timely response, appreciate it

[ecabral0]

Gracias!