6. Soil Testing Flashcards
(12 cards)
How often should you test soil?
Every 2-3 years minimum
When are nutrient levels low
Summer and fall
When are nutrient levels high?
Winter and spring
How deep is a sampling core
About 8 inches
What does a routine test for?
Soil ph
Lime requirement
Various nutrients
What element is not routinely tested for?
Nitrogen
Bc it’s primarily stored in orgo matter
Normally just giving a recommendation based on crops and soil type
What crops are sensitive to calcium
Peanuts, peppers, tomatoes
Boron recommendation
1-2 lb/acre
Manganese recommendation
10lb/acre
Zinc recommendation
5lb/acre
Sulfur recommendation
10-60 lb/acre depending on crop
Complete fertilizer
NP2O5K2O