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SEED GUIDE-6
 

2024-2025 PRIDE Seeds Product Guide

You can find all of our products on the website, including supporting performance data and create your own personalized guide called My Guide. You can also download the digital version of our printed product guide which includes product comparison charts. 

 

 

 

Cover Crops – Why Plant Them?

Jul 14, 2022, 08:45 AM by Tyler Allen (Disabled)
While it might be tempting to skip the process of planting a cover crop, there are some very compelling reasons not to. Cover crops can reduce the soil erosion caused by wind and rain, as well as alleviate soil compaction. As well, cover crops aid in weed suppression, pest reduction and also help sequester carbon, which improves soil health.

While it might be tempting to skip the process of planting a cover crop, there are some very compelling reasons not to. Cover crops can reduce the soil erosion caused by wind and rain, as well as alleviate soil compaction. As well, cover crops aid in weed suppression, pest reduction and also help sequester carbon, which improves soil health.

After the cash crop has been removed, cover crops help nourish the soil biology. They help bridge the gap between harvest and planting and give the soil a continued energy source.

Once the decision has been made to plant a cover crop, there are several things to consider. Will the grower be planting a single cover crop (monoculture) or a mixture (polyculture)? It really comes down to what best meets the needs of the producer and the soil as different cover crop’s root structures or growing habits lend themselves to different goals.

A basic rule of thumb is to select a cover crop from each group: legumes, warm season grass, cool season grass and brassica family. By selecting one of each, you spread your risk as well as take advantage of the varying benefits of each group.

TILLAGE RADISH

  • Alleviates compaction
  • Nitrogen scavenger
  • Suppresses weeds
  • Does not over-winter

CEREAL RYE

  • Fibrous root structure provides amazing erosion control
  • Over-winters
  • Nutrient scavenger
  • Suppresses weeds
  • Produces large amounts of biomass in the spring

 OATS

  • Great nitrogen scavenger
  • Winter kills
  • Lends itself to grazing/harvest for livestock

PEAS

  • Many varieties available, with varying winter hardiness
  • Fixes nitrogen
  • Works well in a mixture of grasses
  • Makes great feed or late season pasture
  • Produces large amounts of biomass if planted early enough

It is also important to know whether the cover crop is frost sensitive and to know your own area’s frost-free date. Crops like buckwheat, sunflowers and phacelia are more frost-sensitive that some others. Caution is advised if planting later, after corn silage for example.

The carbon to nitrogen ratio of the mix is also an important factor. As the C:N ratio increases, the release of nitrogen to the subsequent cash crop is hindered. If the C:N ratio gets too high, the soil will have to provide nitrogen to break down the extra carbon in the mix.

While that might be a challenge in the short-term, in the long-term it will help sequester carbon in the soil as well as build organic matter.

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