According to the manufacturer, the shelf life for the Southern Ag 20-20-20 Soluble Fertilizer is indefinite as long as the product stays at room temperature with no humidity or moisture.
Yes, Southern Ag 20-20-20 Soluble Fertilizer can be used with a sprayer. Please see the product label for specific instructions.
Per the Southern Ag 20-20-20 Soluble Fertilizer label: Do not apply with hose-end sprayers or injection ratio feeders without using a proper anti-backflow device.
There should not be any reason that you could not apply them at the same time. We always suggest a jar test first when tank mixing.
The Southern Ag 20-20-20 Soluble Fertilizer can be used on edibles, including orange trees, as well as vegetables, turf and ornamentals.
Southern Ag 20-20-20 Soluble Fertilizer will cover 25,000 sq ft of lawn.
Southern Ag 20-20-20 Soluble Fertilizer is not labeled for use on pastures, so we do not recommend it for this use. We carry a fertilizer called Hay-Now that is a fertilizer specifically designed for pastures.
Southern Ag 20-20-20 Soluble Fertilizer can be applied as a spray or a drench, depending on your specific application purposes. Please refer to the complete application instructions on the product label, and use as directed.
We really can't advise you on using Southern Ag 20-20-20 fertilizer as it is not labeled for orchids specifically. We would recommend you to contact the Master Gardener at your local county extension office for more information on the best fertilizer to use.
Yes, Southern Ag 20-20-20 Soluble Fertilizer can be mixed with water and applied as a foliar spray to vegetables, tobacco, ornamentals, house plants, shrubs and trees. Per the product label, you will use 5lbs per 1000 gallons of water (2 TBS per gallon of water). Apply as a full volume spray. Repeat at 7 to 10 day intervals.
For Drench Applications to plant beds and potted plants, use 2lbs per 100 gallons of water (2 TBS per gallon). Apply at the rate of 1 quart per sq ft or 100 gallons per 400 sq ft. Repeat treatments every 1 to 3 weeks as needed.