Nutritional status, yield and composition of peach fruit subjected tothe application of organic compost
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Universidade Estadual de Maringá
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The purpose of this study was to evaluate the nutritional state, yield and composition ofpeaches on peach trees subjected to the application of organic compost to the soil. This experiment wasconducted during the 2008 and 2009 cropping season in an orchard containing Chimarrita cultivars graftedonto Capdeboscq rootstocks and Haplumbrept soils in the municipality of Farroupilha (Rio Grande do SulState), Brazil. The treatments included 0, 9, 18, 36, 72 and 144 liters of organic compost per plant-1 year-1.The total nutrient contents in the leaves, yield components, yields per plant and hectare and compositionsof the fruits were evaluated in 2008 and 2009 soon after harvest and after 30 days of storage. Theapplication of organic compost to the soil increased the yield components and the yields per plant andhectare in the two treatments with the highest compost additions, which indicated that the addition of 72 Lof compost per plant-1 is ideal economically. The organic compost had little effect on the composition ofthe peach fruit after harvest and after 30 days of storage.
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