It’s time to topdress your corn – remember don’t guess, soil test! Although nitrogen (N) is one of the most important macronutrients for crop growth, it is not a nutrient you’ll find on your standard soil test report. This is because, unlike the other macro- and micronutrients, N availability is largely driven by microbial activity …
Tag Archives: PSNT
Planning Your Mid-Season Corn Fertility Boost
The corn has been growing and, in spite of a brief cold spell, is about to begin its rapid growth phase and peak in its demand for nitrogen! A high yielding corn silage crop can easily require 150 pounds of nitrogen per acre. Much of the required nitrogen will come from manure applications, crop residues, …
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Sidedressing Your Corn: How Much is the Right Amount?
Before you sidedress your corn, we recommend doing the Vermont Pre-Sidedress Nitrate Test (PSNT). The PSNT measures nitrate, the main form of nitrogen (N) taken up by plants and an indicator of N available to the crop for the remainder of the season. The PSNT should be taken right before you sidedress, so you can …
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