Author Question: What components (other than fertilizer chemicals) are in the classical greenhouse root substrate and ... (Read 94 times)

newbem · **on:** Jul 22, 2018

What components (other than fertilizer chemicals) are in the classical greenhouse root substrate and what role does each provide?

What will be an ideal response?

Question 2

What problems can occur from using pine sawdust in a greenhouse root substrate?

What will be an ideal response?

livaneabi · **Reply #1 on:** Jul 22, 2018

Answer to Question 1

Field soil provides a nutrient reserve, support, and a water reserve.
Coarse sand provides aeration and support. Peat moss provides for aeration,
nutrient reserve, water reserve, and support.

Answer to Question 2

The sawdust can decompose rapidly, tying up nitrogen, thus
causing a deficiency of nitrogen.