THE EFFECT OF SWINE WASTEWATER IN THE DEVELOPMENT AND QUALITY OF SEEDLING OF Eucalyptus urophylla
2014
Raquel Oliveira Batista | Mauro Aparecido Martinez | Haroldo Nogueira de Paiva | Rafael Oliveira Batista | Paulo Roberto Cecon
<p><a href="http://dx.doi.org/10.5902/1980509810538">http://dx.doi.org/10.5902/1980509813330</a></p>This study aimed to evaluate the effect of different proportions of ARS (Swine Wastewater) and two agesof seedlings of Eucalyptus urophylla in their morphological quality. The experiment was conducted atthe Experimental Hydraulics, Irrigation and Drainage Department of Agricultural Engineering, FederalUniversity of Viçosa (UFV), in Viçosa, Minas Gerais state, in a greenhouse. The experiment consistedof 10 treatments in a factorial 5 x 2 (5 proportions of ARS supplemented with nitrogen fertilization andseedling age 2) with different number of repetitions, and the experimental design was a randomizedblock. To track the growth of seedlings of the species studied were evaluated at 75 and 90 days aftersowing, the following morphological characteristics: height of shoot (H), stem diameter (CD), shoot drymass (SDM), root dry mass (RDM), total dry matter (TDM), seedling height raltionship/collar diameter(H/CD), shoot dray mass ratio/root dry mass (SDM/MSR) and Dickson quality index (IQD). The resultsshowed that the proportion of 50% of ARS is the one which results in the best morphological characteristicsof eucalyptus seedlings. The seedlings showed the planting in the field only 90 days after sowing.
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