Citrus Research & Technology
Citrus Research & Technology

Diagnosis and recommendation integrated system – DRIS for nutritional diagnosis of Tahiti acid lime

Ricardo Augusto da Silva, José Eduardo Creste, Carlos Sérgio Tiritan, Cezar Francisco Araujo-Junior, Wellington Eduardo Xavier Guerra & Maíra Rodrigues Uliana

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The nutritional status of Tahiti acid lime (Citrus latifolia Tanaka) might changes according to soil classes and management, weed control methods between rows and interrows, climate conditions, and other biotic/abiotic factors. The purpose of this study was to assess the nutritional status of Tahiti acid lime plants on farms with Diagnosis and Recommendation Integrated System (DRIS). The leaves for tissues analysis were collect in February 2015 until July 2016 (seasons 2014/2015, 2015/2016) on farms in cities of Paraná State, Brazil: Santa Fé, Iguaraçu, Ângulo, Nova Esperança and Altônia. The soils where leaves samples were collected are classified as DISTROFIC RED LYSOSOL - (LVd) and ARGISSOLO DISM. (PVd). The DRIS was establishment for the standard productivity of 30 mg ha-1 (season 2014/2015). Based on the nutrients contents in leaves and DRIS norms, was observed that Boron was the nutrient most deficient (55% plots) and Potassium was the nutrient most excessive in 34% of the samples. 


Citrus, leaf analysis, soil fertility, fertilization, mineral nutrition of plants.
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