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    plant sap analysis, nutrients interactions, target values

    Hi everybody i'm looking for target values of minerals in plant sap for grain, oil and vegetable crop I'm using novacrop analysis, but they do not provide the exact target value do you have any datas on minerals interactions? how am i supposed to to interpret a lack or an excess of NH4 in...
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    LIVE - International Meeting for a Living Agriculture

    Hi every one, here is the link of the live for a 5-day symposium about no till, living soils and agroforestry ! Dont't worry, every think is traduced in english 60 speakers, from 10 countries will be there :) the youtube live : please share the event !
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    looking for books and ressources about soil and agronomy !

    i'm already a subscriber of the direct driller newspaper :)
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    looking for books and ressources about soil and agronomy !

    Hi everyone, i'm martin form france ! i'm currently looking for ressources in english about soil, direct drill, earthworms, soil chemistery, cereal farming hanbook, conservation agriculture and so on (i'm already receiving the direct drill news paper)... we have many ressources in french about...
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