« previous next »

Author Question: Give three reasons for using a soilless root substrate rather than a soil-base substrate. What ... (Read 68 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
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

  • Sr. Member
  • ****
  • Posts: 336
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Guttation, the result of root pressure. Guttation, the result of root pressure.
Building a Client Base Building a Client Base
RNA base sequence of the trp leader region RNA base sequence of the trp leader region
Global Soil Regions Global Soil Regions
Acid–Base Balance Acid–Base Balance
A fibrous root system has similar-sized adventitious roots that branch from the stem A fibrous root system has similar-sized adventitious roots that branch from the stem
Video: Sigmoidoscopy

For a complete list of videos, visit our video library