MSU Nitrogen Recommendations Categories: 2004. For new plantings — MSU recommends in the spring before setting the crowns, to broadcast and incorporate 50 pounds of N per acre. For established plantings — MSU recommends that annual nitrogen applications are best split...
Late-Season Nitrogen Use Categories: March 2019. There is some grower interest in higher nitrogen fertilizer rates or split rate application to increase yields. However, MSU researchers haven’t found a benefit from these practices. Learn More All Production...
Asparagus Weed Control Now and Future Categories: December 2018. Dr. Bernard Zandstra provides updates on (1) the sixth year of a repeated herbicide application study; (2) fall herbicide applications for Powell amaranth control; and (3) fall and spring herbicide...
Controlling Powell Amaranth Categories: March 2022. Dr. Sushila Chaudhari’s 2021 research showed that a fall application of indaziflam provided excellent control of Powell amaranth and redroot pigweed. It did, however, cause significant reduction in the rye cover...
Purple Spot Disease Categories: September 2021. The fungus, Stemphylium vesicarium, causes purple spot disease of asparagus spears and fern. MSU recommends several management strategies for asparagus including limiting overhead irrigation, planting cover crops to...
