AgConcepts Application Rate Reference Chart

Product Application Rates at a Glance

Product	Rate	Timing	Method	Notes
ZyDrive	1 gal/acre	At planting	In-furrow with starter fertilizer	All crops. Activates soil biology from day one.
PervaideMax	1 gal/acre	Pre or post planting	Soil applied — mix 6:1 water to product	Heavy soils with poor drainage. Improves water penetration.
Enhance	2 qt/acre (primary) or 1 qt/acre weekly	V-to-R growth stage / 20–30 days post-emergence	Foliar spray	Apply at vegetative-to-reproductive transition. Spoon feed at 1 qt/acre weekly for season-long program.
ProMax	1 gal/acre	At planting	In-furrow with starter fertilizer	Replaces fumigation or cuts fumigation in half. All crops.

Crop Timing — When to Apply

Corn

Product	Planting	V4–V6	VT / Tassel
ZyDrive	✓ In-furrow with starter	—	—
PervaideMax	✓ Pre-plant (heavy/wet soils)	—	—
Enhance	—	✓ V-to-R transition	✓ Optional
ProMax	✓ In-furrow with starter	—	—

Soybeans

Product	At-Plant	V2–V4	R1–R3 (Bloom to Pod)
ZyDrive	✓ In-furrow with starter	—	—
PervaideMax	✓ Pre-plant (heavy/wet soils)	—	—
Enhance	—	—	✓ V-to-R transition (R1–R2)
ProMax	✓ In-furrow with starter	—	—

Wheat & Small Grains

Product	Fall Pre-Plant / Drilling	Spring Greenup	Flag Leaf / Jointing
ZyDrive	✓ In-furrow at drilling	—	—
PervaideMax	✓ Pre-plant (heavy/wet soils)	—	—
Enhance	—	✓ Greenup foliar	✓ Flag leaf foliar

Potatoes

Product	Pre-Plant	At-Plant	Tuber Bulking
ZyDrive	—	✓ In-furrow with starter	—
PervaideMax	✓ Heavy soils with poor drainage	—	—
Enhance	—	—	✓ 2 qt/acre foliar at bulking
ProMax	—	✓ In-furrow — replaces fumigation	—

Water Volume Recommendations

Application Method	Minimum GPA	Optimal GPA
Ground broadcast (soil)	10	15–20
Ground foliar (Enhance)	15	20–30
Aerial application	3	5
In-furrow (ZyDrive / ProMax)	5	8–10
PervaideMax soil application	Mix 6:1 water to product	Apply pre or post planting

Tank Mix Notes

• ZyDrive and ProMax are both compatible with standard in-furrow starter fertilizers (10-34-0, 7-21-7)
• Enhance is compatible with most foliar fungicides and micronutrient packages — always jar test first
• PervaideMax: mix 6 parts water to 1 part product before applying
• Avoid copper sulfate at high rates with any biological product