Plant density and nitrogen fertilization in Swiss chard


Autoria(s): Echer, Marcia de M.; Zoz, Tiago; Rossol, Charles Douglas; Steiner, Fabio; Castagnara, Deise D.; Lana, Maria do C.
Contribuinte(s)

Universidade Estadual Paulista (UNESP)

Data(s)

20/05/2014

20/05/2014

01/10/2012

Resumo

An experiment was conducted to evaluate the effect of plant spacing and nitrogen fertilization on Swiss chard's yield, from September to November 2009. The experimental design was of randomized blocks in split plot with four replications. In the plots were allocated the two plant spacings (0.30 and 0.50 m) and in the subplots the five doses of nitrogen (0, 40, 80, 120 and 160 kg ha(-1)). The crop was harvested 90 days after transplanting. The plant spacing of 0.50 m provided increased production of total fresh weight of shoot (961.7 g plant(-1)) and marketable (873.1 g plant(-1)). However, the highest total yield (77.8 t ha(-1)) and marketable (64.5 t ha(-1)) was achieved with the smaller spacing between plants (0.30 m). The N rates applied in coverage until 160 kg ha(-1) increased in a linear form the total and marketable production of fresh mass of shoots, the total and marketable yield, the N content and the N accumulation in the shoots of Swiss chard plants on the evaluated plant spacings.

Formato

703-707

Identificador

http://dx.doi.org/10.1590/S0102-05362012000400023

Horticultura Brasileira. Campinas: Assoc Brasileira Horticultura, v. 30, n. 4, p. 703-707, 2012.

0102-0536

http://hdl.handle.net/11449/5588

S0102-05362012000400023

WOS:000313343500023

S0102-05362012000400023.pdf

Idioma(s)

eng

Publicador

Assoc Brasileira Horticultura

Relação

Horticultura Brasileira

Direitos

openAccess

Palavras-Chave #Beta vulgaris var. cycla #nitrogen #yield
Tipo

info:eu-repo/semantics/article