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Type: Artigo de periódico
Author: Costa, E
Leal, PAM
Mesquita, VDG
Sassaqui, AR
Abstract: The objective of this research was to evaluate contents of organic compounds and protected environment in the formation of papaya seedling. The experiment was carried out in 2007 from September to December. The environments were: plastic greenhouse with height of 2.5m; nursery with height of 2.5m covered by shade net with black monofilament of 50% shading rate; nursery with height of 2.5m covered by Aluminum shading screen with shading rate of 50%; nursery with height of 1.8m covered by straw of native coconut; plastic greenhouse with height of 4.0m covered by zenith opened and thermal shade net under the roof, and nursery with height of 3.5m covered by shade net with black monofilament of 50% shading rate. Five commercial organic compound named ORGANOSUPER (R) (made of residues of cold storage room, sugar cane bagass, fruits, vegetables, and cereals) contents of 0, 7, 14, 21 and 28%, mixed with soil. The experiment was conducted in a completely randomized split-plot scheme, with ten replications. In the greenhouse with height of 2.5 m there were the highest accumulation of dry biomass in papaya with substrates containing 0, 7 and 14% Organosuper (R); the greenhouse with height of 4.0 m, and zenith opening, screen under thermo-reflective film, showed the largest plants, with larger leaves for substrates with 7 and 14% Organosuper (R); 50 days after sowing the substrates 7, 14 and 21% favored the development of plants, higher number leaves and fresh and dry biomass. The substrates with over 21% and without organic compound were improper for development of the papaya seedling.
Subject: Carica papaya
Country: Espanha
Editor: Soc Brasil Engenharia Agricola
Citation: Engenharia Agricola. Soc Brasil Engenharia Agricola, v. 31, n. 1, n. 41, n. 55, 2011.
Rights: aberto
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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