Castor bean cultivars and nitrogen fertilization in the formation of seedlings

被引：5

作者：

de Arruda Rodrigues, Helen Cristina ^{[2
]}

Carvalho, Samuel Pereira ^{[3
]}

Souza, Henrique Antunes ^{[1
]}

Carvalho, Alexandre Alves ^{[3
]}

机构：

[1] Univ Estadual Paulista, Dept Solos & Adubos, Fac Ciencias Agr & Vet Jaboticabal, BR-14884900 Sao Paulo, Brazil

[2] Univ Estadual Paulista, Dept Tecnol, Fac Ciencias Agr & Vet Jaboticabal, BR-14884900 Sao Paulo, Brazil

[3] Univ Fed Lavras, Dept Agr, Lavras, MG, Brazil

来源：

ACTA SCIENTIARUM-AGRONOMY | 2010年 / 32卷 / 03期

关键词：

Ricinus communis; cultivars; initial development; nitrogen; RICE CULTIVARS; GROWTH; YIELD;

D O I：

10.4025/actasciagron.v32i3.4063

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Castor bean cultivars and nitrogen fertilization in the formation of seedlings. The objective of this study was to evaluate the influence of nitrogen on the development of seedlings of castor bean cultivars. The experiment was conducted in a greenhouse at the of the Department of Agriculture at the Federal University of Lavras, Lavras, Minas Gerais State, using four levels of nitrogen (0, 150, 300 and 450 mg kg(-1)) in three cultivars of castor bean (AL-Guarani, Nordestina and Mirante 10). The experimental design was a randomized block design with three replications and two plants per plot. Parameters were evaluated for the growth of seedlings. According to the obtained results, the application of nitrogen decreased the growth of seedlings in all cultivars. Cultivar Mirante-10 stood out from the others.

引用

页码：471 / 476

页数：6

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