to test foliar nutrients
- Sample and test leaf nutrients annually, during mid-August
the most recently expanded and matured leaves near terminals. This normally
will be 5- to 7-month-old foliage that flushed during spring.
- Compare laboratory
test results to recommended
How to fertilize
- Fertilize if needed, generally during March to November.
nutrient sources are
- Nitrogen is the most frequently applied crop nutrient.
are commonly applied during irrigation, such as by chemigation or
- When calculating the amount of fertilizer to apply, consider
other potential nutrient sources. For example, any nitrogen
already present in irrigation water should be credited toward
the fertilization rate.