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    ARTICLE

    Changes in soil phosphorus fractions caused by cropping without nutrient reposition. A case study

    Barresi O1,2, VM Chiocchio1,2, RS Lavado2

    Phyton-International Journal of Experimental Botany, Vol.87, pp. 14-17, 2018, DOI:10.32604/phyton.2018.87.014

    Abstract Previous studies in soils of the Pampas region indicate the prevalence of calcium phosphates within the very complex mix of phosphorus (P) compounds in the soils. We studied the changes in P fractions in a punctual situation in the Pampas region. The sampling was carried out in a farm located near the city of Junín (-34.585; -60.9589) and the soil was Junín series Typic Hapludoll. The farm was devoted to grazing and sporadic crops, but from the last 30 years changed to continuous agriculture. At no time fertilization matched nutrients removal by crops. The soil More >

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