Stalk quality during harvest is the result of season-long management of disease and nutrients. Standing stalks are the foundation of a successful harvest and are related to foliar health and nutrient uptake by roots.
Profitable yields are the bottom line. Bushels are a direct measure of profit at the end of the year, but in some years, profit is left on the table because of an unseen nutrient deficiency.
1) Taking a series of tissue samples year after year on the same combination of crop and field.
2) Sampling at the same stage in the same season comparing different management practices, soils, or seed products.
3) Taking early- and late-tissue samples on the same field to determine crop response to sidedressing or an early-season stress.
4) Comparing tissue analysis to soil tests to see if soil-released nutrients are being taken up by the crop.
1 Franzen, D.W. 2017. Soil fertility recommendations for corn. North Dakota State University. SF722.
2 Vyn, T. 2013. Nitrogen key to uptake of other corn nutrients, study shows. Purdue University. https://www.purdue.edu/newsroom/releases/2013/Q2/nitrogen-key-to-uptake-of-other-corn-nutrients,-study-shows.html.
3 Bender, R.R., Haegele, J.W., Ruffo, M.L., and Below, F.E. 2013. Modern corn hybrids’ nutrient uptake patterns. Better Crops. Vol. 97.
Battel, R. 2018. Plant tissue analysis: an important part of nutrient management. Michigan State University.
Nielsen, R.L. 2017. Stress during grain fill: corn stalk health problems? No-till Farmer. https://www.no-tillfarmer.com/articles/7012-stress-during-grain-fill-corn-stalk-health-problems.