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Green manure and nitrogen enrichment plants

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Azuki bean (Vigna angularis)
Our recommendation
Azuki bean (Vigna angularis)
1.82 € *
Base Price 0.04 €/ seed
apx. $2.11
available
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Asparagus pea (Tetragonolobus purpureus)
Asparagus pea (Tetragonolobus purpureus)
2.01 € *
apx. $2.33
available
{"list_position":1,"systype":"article","name":"Asparagus pea (Tetragonolobus purpureus)","id":"TET01","list_name":"tree-267"}
Comfrey (Symphytum officinale)
Comfrey (Symphytum officinale)
2.20 € *
Base Price 0.07 €/ seed
apx. $2.55
5.0 of 5 stars 1 available
{"list_position":2,"systype":"article","name":"Comfrey (Symphytum officinale)","id":"SYM01","list_name":"tree-267"}
Sugar pea (Pisum sativum 'Frühe Heinrich')
Bestseller
Sugar pea (Pisum sativum 'Frühe Heinrich')
2.38 € *
apx. $2.75
available
{"list_position":3,"systype":"article","name":"Sugar pea (Pisum sativum 'Frühe Heinrich')","id":"PIS02","list_name":"tree-267"}
Dwarf pea 'Kleine Rheinländerin' (Pisum sativum)
Dwarf pea 'Kleine Rheinländerin' (Pisum sativum)
1.78 € *
Base Price 0.02 €/ seed
apx. $2.06
available
{"list_position":4,"systype":"article","name":"Dwarf pea 'Kleine Rheinländerin' (Pisum sativum)","id":"PIS01","list_name":"tree-267"}
Horse bean (Vicia faba)
Bestseller
Horse bean (Vicia faba)
1.82 € - 2.10 € *
apx. $2.11 - $2.43
selection
{"list_position":5,"systype":"article","name":"Horse bean (Vicia faba)","id":"MA-0114","list_name":"tree-267"}
Fenugreek (Trigonella foenum-graecum)
Fenugreek (Trigonella foenum-graecum)
1.78 € - 4.63 € *
apx. $2.06 - $5.36
selection
{"list_position":6,"systype":"article","name":"Fenugreek (Trigonella foenum-graecum)","id":"MA-0048","list_name":"tree-267"}
Marigold (Calendula officinalis)
Bestseller
Marigold (Calendula officinalis)
1.82 € - 2.01 € *
apx. $2.11 - $2.33
selection
{"list_position":7,"systype":"article","name":"Marigold (Calendula officinalis)","id":"MA-0036","list_name":"tree-267"}
Spinach 'Matador' (Spinacia oleracea)
Spinach 'Matador' (Spinacia oleracea)
1.87 € - 2.38 € *
apx. $2.16 - $2.75
selection
{"list_position":8,"systype":"article","name":"Spinach 'Matador' (Spinacia oleracea)","id":"MA-0025","list_name":"tree-267"}
String Bean 'Borlotto Lingua Di Fuoco' (Phaseolus vulgaris)
Hot stuff
String Bean 'Borlotto Lingua Di Fuoco' (Phaseolus vulgaris)
1.82 € - 2.29 € *
apx. $2.11 - $2.65
selection
{"list_position":9,"systype":"article","name":"String Bean 'Borlotto Lingua Di Fuoco' (Phaseolus vulgaris)","id":"MA-0024","list_name":"tree-267"}
Pole bean 'Neckarkönigin' (Phaseolus vulgaris)
Pole bean 'Neckarkönigin' (Phaseolus vulgaris)
2.38 € - 2.57 € *
apx. $2.75 - $2.97
selection
{"list_position":10,"systype":"article","name":"Pole bean 'Neckarkönigin' (Phaseolus vulgaris)","id":"MA-0023","list_name":"tree-267"}
Fava bean 'Hangdown Grünkernig' (Vicia faba)
Fava bean 'Hangdown Grünkernig' (Vicia faba)
1.87 € - 3.50 € *
apx. $2.16 - $4.05
selection
{"list_position":11,"systype":"article","name":"Fava bean 'Hangdown Grünkernig' (Vicia faba)","id":"MA-0013","list_name":"tree-267"}
Earthnut pea (Lathyrus tuberosus)
Earthnut pea (Lathyrus tuberosus)
3.13 € *
apx. $3.62
5.0 of 5 stars 1 available
{"list_position":12,"systype":"article","name":"Earthnut pea (Lathyrus tuberosus)","id":"LAT02","list_name":"tree-267"}
Bush bean 'Saxa' (Phaseolus vulgaris) organic
Organic certification
Bush bean 'Saxa' (Phaseolus vulgaris) organic
3.69 € *
apx. $4.27
available
{"list_position":13,"systype":"article","name":"organic","id":"BIO17","list_name":"tree-267"}
White clover (Trifolium repens)
Brand new!
White clover (Trifolium repens)
1.87 € *
apx. $2.16
available
{"list_position":14,"systype":"article","name":"White clover (Trifolium repens)","id":"1370","list_name":"tree-267"}
Snap bean / Dwarf French bean 'Tendergreen' (Phaseolus vulgaris)
Snap bean / Dwarf French bean 'Tendergreen' (Phaseolus vulgaris)
1.87 € *
Base Price 0.04 €/ seed
apx. $2.16
available
{"list_position":15,"systype":"article","name":"Snap bean / Dwarf French bean 'Tendergreen' (Phaseolus vulgaris)","id":"1360","list_name":"tree-267"}
Lacy phacelia (Phacelia tanacetifolia) Organic
Organic certification
Lacy phacelia (Phacelia tanacetifolia) Organic
2.76 € *
Base Price 0.06 €/100 seed
apx. $3.19
available
{"list_position":16,"systype":"article","name":"organic","id":"1314","list_name":"tree-267"}
White mustard (Sinapsis alba)
White mustard (Sinapsis alba)
1.87 € *
Base Price 0.05 €/100 seed
apx. $2.16
5.0 of 5 stars 1 available
{"list_position":17,"systype":"article","name":"White mustard (Sinapsis alba)","id":"1123","list_name":"tree-267"}
Oil radish (Raphanus sativus var. oleifera)
Oil radish (Raphanus sativus var. oleifera)
1.87 € *
Base Price 0.09 €/100 seed
apx. $2.16
available
{"list_position":18,"systype":"article","name":"Oil radish (Raphanus sativus var. oleifera)","id":"1120","list_name":"tree-267"}
Red clover (Trifolium pratense)
Red clover (Trifolium pratense)
1.87 € *
Base Price 0.02 €/100 seed
apx. $2.16
available
{"list_position":19,"systype":"article","name":"Red clover (Trifolium pratense)","id":"1119","list_name":"tree-267"}
Pole Bean 'A Cosse Violette' (Phaseolus vulgaris)
Pole Bean 'A Cosse Violette' (Phaseolus vulgaris)
1.87 € *
Base Price 0.06 €/ seed
apx. $2.16
available
{"list_position":20,"systype":"article","name":"Pole Bean 'A Cosse Violette' (Phaseolus vulgaris)","id":"1090","list_name":"tree-267"}
Yellow Orinoco wax bean (Phaseolus vulgaris)
Yellow Orinoco wax bean (Phaseolus vulgaris)
2.10 € *
Base Price 0.04 €/ seed
apx. $2.43
available
{"list_position":21,"systype":"article","name":"Yellow Orinoco wax bean (Phaseolus vulgaris)","id":"1089","list_name":"tree-267"}
Black mustard (Brassica nigra)
Black mustard (Brassica nigra)
1.87 € *
Base Price 0.02 €/ seed
apx. $2.16
available
{"list_position":22,"systype":"article","name":"Black mustard (Brassica nigra)","id":"1049","list_name":"tree-267"}
Runner Bean 'Prizewinner' (Phaseolus coccineus)
Runner Bean 'Prizewinner' (Phaseolus coccineus)
2.29 € *
Base Price 0.11 €/ seed
apx. $2.65
available
{"list_position":23,"systype":"article","name":"Runner Bean 'Prizewinner' (Phaseolus coccineus)","id":"1037","list_name":"tree-267"}
Pea 'Kelvedon Wonder' (Pisum sativum)
Pea 'Kelvedon Wonder' (Pisum sativum)
1.87 € *
Base Price 0.02 €/ seed
apx. $2.16
available
{"list_position":24,"systype":"article","name":"Pea 'Kelvedon Wonder' (Pisum sativum)","id":"1030","list_name":"tree-267"}
Dwarf bush bean 'Delinel' (Phaseolus vulgaris)
Dwarf bush bean 'Delinel' (Phaseolus vulgaris)
2.38 € *
Base Price 0.05 €/ seed
apx. $2.75
available
{"list_position":25,"systype":"article","name":"Dwarf bush bean 'Delinel' (Phaseolus vulgaris)","id":"1012","list_name":"tree-267"}
Snap bean 'Pfaelzer Juni' (Phaseolus vulgaris)
Snap bean 'Pfaelzer Juni' (Phaseolus vulgaris)
2.01 € *
Base Price 0.04 €/ seed
apx. $2.33
available
{"list_position":26,"systype":"article","name":"Snap bean 'Pfaelzer Juni' (Phaseolus vulgaris)","id":"1006","list_name":"tree-267"}
Wild sunflower (Helianthus annuus var. annuus)
Temporarily out of stock
Wild sunflower (Helianthus annuus var. annuus)
2.10 € *
Base Price 0.11 €/ seed
apx. $2.43
out of stock
{"list_position":27,"systype":"article","name":"Wild sunflower (Helianthus annuus var. annuus)","id":"HEL01","list_name":"tree-267"}
Common sunflower (Helianthus annuus)
Temporarily out of stock
Common sunflower (Helianthus annuus)
2.01 € *
Base Price 0.10 €/ seed
apx. $2.33
out of stock
{"list_position":28,"systype":"article","name":"Common sunflower (Helianthus annuus)","id":"1359","list_name":"tree-267"}
Jurema (Mimosa hostilis)
Temporarily out of stock
Jurema (Mimosa hostilis)
4.66 € *
apx. $5.39
out of stock
{"list_position":29,"systype":"article","name":"Jurema (Mimosa hostilis)","id":"1275","list_name":"tree-267"}
Green manuring is the deliberate cultivation of specific plant species to increase the quality of the soil. Green manure crops can improve soil structure by producing humus, enriching the soil with nitrogen or make bonded nitrogen available again, loosen and aerate the soil or suppress weed growth. Furthermore, green manure serves to prevent erosion on fallow land and can be used as a means of disease and pest prevention.


Of course you can not expect one single plant species to do all these jobs at once - it's all in the mix. Typical green manure plants are legumes such as lupins, alfalfa, vetch and clover. Their specialty is primarily nitrogen enrichment, as their roots are a good host for so-called rhizobia, bacteria able to accumulate nitrogen from the air.

Often phacelia, buckwheat, radish, yellow mustard, white mustard, sunflowers or marigolds are used as well. And mixed green manure isn't only useful: cropland in bloom is a very beautiful and colorful sight.