The quiz was created to review the Plant Products July 2009 webinar presentation
To quantify the amount of Ca and Mg in a fertilizer
To determine what effect it will have on the media pH
To check the pH of the fertilizer in solution
All of the above
Higher levels of Magnesium
Higher levels of Manganese, zinc, and iron
Lower levels of Phosphorus
All of the above
Electrical conductivity
Alkalinty
Concentrations of Ca and Mg
All of the above
True
False
True
False
The CaCO3 level is > 300ppm
The media pH decreases over time
The media pH increases over time
Contains a high amount of impurities
True
False
Must use the whole bag at one time when mixing up a concentrate drum
Is an alternative to rotating between 20-10-20 and a Cal Mag or injecting at the same time
Has a slightly acid potential acidity
All of the above
True
False
True
False