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|Type:||Artigo de periódico|
|Title:||IMPACT OF IRRIGATION ON YIELD AND ENERGY BALANCE OF THE PRODUCTION OF OIL AND CAKE OF TWO SUNFLOWER VARIETIES|
|Abstract:||The energy balance for the production of sunflower oil and cake was carried out during the agricultural and industrial stage phase, where it was considered a cold extraction by hydraulic pressing, with the plant location in a rural area with a radius of 30km range. Data on productivity was used in two varieties of sunflower (Helio 358 and Aguara 04) grown in different seasons (2007/2008, 2008/2009), under different irrigation levels. Data showed that irrigation resulted in an increase in productivity of both varieties, and the best response was observed for Aguara 04 variety. Moreover, the increased intensity of irrigation negatively affected the energy balance, reducing the ratio between energy produced and energy used in the production chain. The most significant inputs in the energy intake were fertilizer followed by diesel oil, when irrigation was not used for. When the irrigation technique was used, the most significant inputs, in order of representativeness, were: energy, fertilizer and equipment.|
|Editor:||Soc Brasil Engenharia Agricola|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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