There is a developing interest in improving UK soil. Green manures can be used to build fertility, improve soil structure, suppress weeds and prevent soil erosion.

Some can be combined to conform to catch and cover crops for Ecological Focus Areas under the ‘greening’ regulations; others are just good green manure crops. It is best to incorporate leafy material that will break down quickly in the soil. Too much fibrous material can absorb nitrogen in the process of breaking down in the soil.

To qualify for use in EFA the seed must be a mixture of at least two different cover crop species that establish quickly, achieve ground cover and will effectively use available nutrients. Any percentage of a sown mix can be used, so long as there is a visible mix of at least two different crops containing at least one cereal (eg Rye, Barley, Oats) and one non-cereal (eg Common Vetch, Hairy Vetch, Phacelia, Fodder Radish, Mustard, Lucerne, Tillage Radish).

The mixtures detailed below are solutions to regularly requested scenarios. They are divided into non-hardy mixtures for autumn biomass and hardy blends which will also bulk up in the spring for grazing or ploughing in biomass. Contact Field Options for further mixture details and more advice.

  Ideal Month of Sowing
  April May June July August September
Hardy Legume Species 

Yellow Trefoil

Red Clover

Alsike Clover

White Clover

Sweet Clover*

Yellow Trefoil

Red Clover

Alsike Clover

White Clover

Sweet Clover*

Yellow Trefoil

Red Clover

Alsike Clover

White Clover

Yellow Trefoil

Red Clover

Alsike Clover

White Clover

Yellow Trefoil

Red Clover

Alsike Clover

White Clover

Hairy Vetch

White Clover

Hairy Vetch

NOT Hardy Legume Species 

Common Vetch

Crimson Clover

Berseem Clover

Common Vetch

Crimson Clover

Berseem Clover

Common Vetch

Crimson Clover

Berseem Clover

Common Vetch

Crimson Clover

Berseem Clover

 

Common Vetch

Crimson Clover

Berseem Clover

 

 

Other Hardy Species Ryegrass Ryegrass Ryegrass Ryegrass

Forage Oats

Winter Oats

Ryegrass

Forage Oats

Winter Oats

Ryegrass

Other NOT Hardy Species Phacelia Phacelia

Phacelia

Buckwheat

Phacelia

Buckwheat

Mustards

Fodder Radish

Mustards

Fodder Radish

Tillage Radish

Mustards

Fodder Radish

Spring Oats

Hardy Mixtures

Top Fertility

Whirlwind

Top Fertility

Whirlwind

Top Fertility

Whirlwind

 

Top Fertility

Whirlwind

 

 

Top Fertility

Whirlwind

 

Rye x Vetch

NOT Hardy Mixtures

Brassica Break

Brassica Break

Brassica Break

Soil Buster

Nematode Buster

Mega-Root Radish Blend

Brassica Break

Autumn Primer

Soil Buster

Nematode Buster

Mega-Root Radish Blend

Brassica Break

Autumn Primer

Soil Buster

Nematode Buster

Mega-Root Radish Blend

 

 

 

  Hardy Options
  NOT Hardy Options
  May also be used for grazing or silage
* Sweet Clover is Biennial

 

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