QUALIDADE DE FLORES DE GIRASSOL ORNAMENTAL IRRIGADA COM ÁGUA RESIDUÁRIA E DOSES DE ESTERCO
2014
LEANDRO OLIVEIRA DE ANDRADE | HANS RAJ GHEYI | NILDO DA SILVA DIAS | REGINALDO GOMES NOBRE | FREDERICO ANTONIO LOUREIRO SOARES | ELKA COSTA SANTOS NASCIMENTO
The management of wastewater in agricultural crops in order to explore fully their potential of water and nutrients, have proved a viable alternative for irrigated agriculture, especially in semiarid regions. The objective of this work was to study the quality of ornamental sunflower (cv. Sol Noturno) with increasing doses of cattle manure and types of water. The experiment was conducted in a completely randomized block design in factorial scheme (4 x 2), with four replications and five plants per replication, testing two types of water (supply water and treated wastewater) and four doses of cattle manure (5, 10, 15 and 20% in on weight basis) In determining the quality of sunflowers morphological and growth variables were analysed. The manure doses ranging from 15 to 16.7% provided the best morphological and growth characteristics of sunflowers. The nanure dose less than 8.4% provided early onset and opening of buds of the sunflower and the highest number of flower buds was obtained with the manure dose equivalent to 14%. The types of water, as well as the interaction between the factors did not significantly influence the quality of sunflowers (cv. Sol Noturno).
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