Nitrogen and potassium application by fertigation at different watermelon planting densities

The effects on the production of ,Top Gun, watermelons were evaluated at N and K (N+K2O) doses via fertigation of 79.8+106.7, 106.4+142.2, 133.0+177.7, and 159.6+213.2 kg ha-1 and at plant spacings of 0.5, 1.0, 1.5, and 2.0 m. The experiment had a split-plot randomised block design with three replic...

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Autores principales:	Cecílio Filho,A. B, Feltrim,A. L, Mendoza Cortez,J.W, Gonsalves,M.V, Pavani,L.C, Barbosa,J.C
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2015
Materias:	mineral nutrition plant spacing
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162015000400009
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spelling	oai:scielo:S0718-951620150004000092016-01-14Nitrogen and potassium application by fertigation at different watermelon planting densitiesCecílio Filho,A. BFeltrim,A. LMendoza Cortez,J.WGonsalves,M.VPavani,L.CBarbosa,J.C mineral nutrition plant spacing The effects on the production of ,Top Gun, watermelons were evaluated at N and K (N+K2O) doses via fertigation of 79.8+106.7, 106.4+142.2, 133.0+177.7, and 159.6+213.2 kg ha-1 and at plant spacings of 0.5, 1.0, 1.5, and 2.0 m. The experiment had a split-plot randomised block design with three replicates. N+K2O doses and plant spacings were randomised in the plots and subplots, respectively. We evaluated foliar N and K contents, average mass of commercial fruits (MF), total (FT) and commercial (FC) number of fruits, and total (PT) and commercial (PC) productivity of weight classes 6-8, 8-10, 10-12, and >12 kg per area and plant. The N+K2O doses only influenced the foliar K content. The other variables were not influenced by the interaction of factors or by the N+K2O doses. Plant spacing influenced fruit number and production. Reducing plant spacing from 2.0 to 0.5 m decreased MF, FT, FC, PT, and PC of the classes per plant but increased FT, FC, PT, and PC of the 6-8 and 8-10 kg classes per area.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.15 n.4 20152015-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162015000400009en10.4067/S0718-95162015005000064
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	mineral nutrition plant spacing
spellingShingle	mineral nutrition plant spacing Cecílio Filho,A. B Feltrim,A. L Mendoza Cortez,J.W Gonsalves,M.V Pavani,L.C Barbosa,J.C Nitrogen and potassium application by fertigation at different watermelon planting densities
description	The effects on the production of ,Top Gun, watermelons were evaluated at N and K (N+K2O) doses via fertigation of 79.8+106.7, 106.4+142.2, 133.0+177.7, and 159.6+213.2 kg ha-1 and at plant spacings of 0.5, 1.0, 1.5, and 2.0 m. The experiment had a split-plot randomised block design with three replicates. N+K2O doses and plant spacings were randomised in the plots and subplots, respectively. We evaluated foliar N and K contents, average mass of commercial fruits (MF), total (FT) and commercial (FC) number of fruits, and total (PT) and commercial (PC) productivity of weight classes 6-8, 8-10, 10-12, and >12 kg per area and plant. The N+K2O doses only influenced the foliar K content. The other variables were not influenced by the interaction of factors or by the N+K2O doses. Plant spacing influenced fruit number and production. Reducing plant spacing from 2.0 to 0.5 m decreased MF, FT, FC, PT, and PC of the classes per plant but increased FT, FC, PT, and PC of the 6-8 and 8-10 kg classes per area.
author	Cecílio Filho,A. B Feltrim,A. L Mendoza Cortez,J.W Gonsalves,M.V Pavani,L.C Barbosa,J.C
author_facet	Cecílio Filho,A. B Feltrim,A. L Mendoza Cortez,J.W Gonsalves,M.V Pavani,L.C Barbosa,J.C
author_sort	Cecílio Filho,A. B
title	Nitrogen and potassium application by fertigation at different watermelon planting densities
title_short	Nitrogen and potassium application by fertigation at different watermelon planting densities
title_full	Nitrogen and potassium application by fertigation at different watermelon planting densities
title_fullStr	Nitrogen and potassium application by fertigation at different watermelon planting densities
title_full_unstemmed	Nitrogen and potassium application by fertigation at different watermelon planting densities
title_sort	nitrogen and potassium application by fertigation at different watermelon planting densities
publisher	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162015000400009
work_keys_str_mv	AT ceciliofilhoab nitrogenandpotassiumapplicationbyfertigationatdifferentwatermelonplantingdensities AT feltrimal nitrogenandpotassiumapplicationbyfertigationatdifferentwatermelonplantingdensities AT mendozacortezjw nitrogenandpotassiumapplicationbyfertigationatdifferentwatermelonplantingdensities AT gonsalvesmv nitrogenandpotassiumapplicationbyfertigationatdifferentwatermelonplantingdensities AT pavanilc nitrogenandpotassiumapplicationbyfertigationatdifferentwatermelonplantingdensities AT barbosajc nitrogenandpotassiumapplicationbyfertigationatdifferentwatermelonplantingdensities
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Nitrogen and potassium application by fertigation at different watermelon planting densities

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