What are three sources of Ca and Mg in a greenhouse crop system?

What will be an ideal response?


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

Trades & Technology

You might also like to view...

Which of the following conditions could result in an undercharged batteries?

A. loose belt (s) B. defective diode trio C. residual magnetism in the rotor D. all of the above

Trades & Technology

The right-side view shows length and depth

Indicate whether the statement is true or false

Trades & Technology

The smallest incremental markings on analog gauges designed for R-410A are generally:

A) 10 psi. B) 20 psi. C) 5 psi. D) 1 psi.

Trades & Technology

What is the unit of measure for the power delivered to the load in a DC circuit?

A. hertz B. volt-amperes C. VARs D. watts

Trades & Technology