Nov 5, 2015
It is not too late to plant cover crops

The days are getting shorter and the nights are getting cooler so many feel that it is too late to plant cover crop. That is not completely accurate. While it is true that it is too late to plant the majority of cover crops it is not too late to plant cereal rye. According to Michigan State University Extension cereal rye is one of the best cover crop choices that we have in Michigan. It can be put in many different crop rotations and has proven to be an excellent cover crop.

Cereal rye, also called winter rye, is a cold hearty cover. It can germinate in temperatures as low as 34 degrees Fahrenheit in the fall and in the spring it will start to grow at 38 degrees F. Cereal rye can be established in a variety of soil types as well as quality. It can grow in rich organic soils as well as poor sandier soils. The preferred pH range is between 5.0-7.0. It is important to make sure that rye is planted at the correct depth. Drilling depth should be between ¾ to 1 ½ inches at a rate of 55-175 pounds per acre. The rate for broadcast is 60-185 pounds per acre and for aerial application it is 65-205 pounds per acre.

Cereal rye has many outstanding qualities that are looked at when considering cover crops. It is an excellent nitrogen scavenger. It will seek out nitrogen in the soil and will hold it for the next crop. It also frees up potassium that is deeper in the soil profile so it can be later used by crops. Rye also can be used as a weed suppressor. Rye can be easily established and if the population is dense enough it will outcompete weeds. Some of the weeds that it will suppress are redroot pigweed, velvetleaf, chickweed, lambsquarter, and foxtail. Rye also has an allelopathic effect on some weeds including dandelions and Canada thistle. Rye can also be used as a feed source for livestock. Rye is also excellent at helping build soil organic matter.

For more information on cereal rye visit the Michigan State University Cover Crops webpage or the Midwest Cover Crop Council website. For assistance on cover crops contact Paul Gross, [email protected] or me, [email protected].

 – Christina Curell, Michigan State University Extension

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