Use efficiency of nitrogen, phosphorus and potassium by potato cultivars

Autor:	Junia Maria Clemente, Talita Gabriela Gentil, Thaísa Fernanda Oliveira, Marcelo Rodrigues dos Reis
Rok vydání:	2018
Předmět:	Crop Horticulture Nutrient chemistry Phosphorus Potassium chemistry.chemical_element AGATA Dry matter ASTERIX General Medicine Cultivar Biology
Zdroj:	Cultura Agronômica: Revista de Ciências Agronômicas. 27:251-261
ISSN:	2446-8355 0104-1010
Popis:	Knowledge about nutrients use efficiency in production of tubers in different potato varieties provides important basis to optimize the use of fertilizers in the crop. Thus, this study aimed to determine the productivity and the coefficient of biological utilization (kg of dry matter produced per kg of accumulated nutrient) of nitrogen (N), phosphorus (P) and potassium (K) of thirteen potato cultivars, and compare the extraction and the exportation of N, P and K of Ágata, Asterix and Atlantic cultivars that present low, medium and high content of dry matter, respectively. The treatments consisted of thirteen potato cultivars: Ágata, Atlantic, FL2215, FL2027, FL1867, FL2221, Asterix, BRSIPR Bel, Cupido, Nicolet, Accumulator, Verdi and Taurus. FL2027 cultivar was more productive. The cultivars differs as the coefficient of biological utilization of N, P and K. The Atlantic cultivar extracted and exported more N, P and K than Ágata and Asterix.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ae48252b8f0e13b94c76b6753ee65b4e https://doi.org/10.32929/2446-8355.2018v27n2p251-261 Zobrazit plný text záznamu