Jardiner avec des purins de plantes

Publié mercredi 21 août 2013 Commenter 20
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Quand on veut jardiner bio, il faut se donner les moyens de la réussite, les purins de plantes sont un excellents d'y parvenir : économiques, écologiques et souvent assez simples à préparer. Cet article vous donnera un bon aperçu de tous les purins utiles au jardinier

Le purin, kesako?

Les purins de plantes s'obtiennent en laissant certaines plantes fermenter dans de l'eau. Le but de cette fermentation est d'extraire des plantes leur principe actif, utilisé comme fongicide, insecticide, engrais

En règle générale, il faut compter environ 1 litre d'eau pour 100g de plantes

Quel purin pour quel usage?

Le tableau ci-après donne les principaux purins et leurs usages :

Purins Plantes Usages Maladies combattues
Purin de feuilles de tomates Tomates Insecticide Contre la piéride du chou, les pucerons, la teigne du poireau
Purin d'orties Orties sans fleurs insecticides, engrais Contre les pucerons
Purin d'absinthe Absinthe Insecticide curatif et préventif Contre le carpocapse et la mouche de l'oignon
Purin de prêle Prêle Anti-fongique, insecticide, engrais Contre les araignées rouges et les pucerons
Purin de consoude Consoude Fertilisant pour les arbres fruitiers, Traitement naturel Contre la chlorose
Purin de tanaisie Tanaisie Insecticide curatif et préventif, anti-fongique Contre la mouche du chou, la rouille et le mildiou
Purin de fougères Fougères Insecticides et fertilisant Contre les pucerons
Purin de sureaux Sureaux Insecticide, fongicide, engrais (riche en Azote) Contre le puceron, éloigne taupes et mulots
Purin de pissenlits Pissenlits Engrais (riche en Phosphore)
Purin de rhubarbes Rhubarbes Insecticides Contre la teigne du poireau et les pucerons

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