Leroux, Juliette (2005) Fertilization, intensity - Nature et Progrès Standards 2001. [Organic rules - Differences between other regulations/standards and EEC No 2092/91]
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The organic nitrogen input from external sources (composted manure or fish fertilizer) is limited to 40 kg per ha and per year.
Nature et Progrès standards limit the organic nitrogen import to 40 kg per ha and per year, whereas EU Regulation 2092/91 limits it to 170 kg per ha and per year.
The fertility and the biological activity of the soil must be maintained or increased, in the first instance, by cultivation of legumes, green manures or deep-rooting plants in an appropriate multi-annual rotation programme. Too much nitrogen in soil causes water pollution and crop diseases.
|Item type:||Organic rules - Differences between other regulations/standards and EEC No 2092/91|
|Subjects:||Crop production > Soil fertility and biological activity|
|Country/Standard:||Europe > France > Nature et Progres|
Principle of health
|Deposited By:||INVALID USER|
|Deposited On:||15 Sep 2005|
|Last Modified:||16 Apr 2010 08:46|
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