Evaluation of the effect of nitrogen fertirrigation on productivity and efficiency of water use in broccolis

被引：0

作者：

de Oliveira, Reginaldo Miranda ^{[1
]}

de Oliveira, Rubens Alves ^{[2
]}

Botelho, Margareth Evangelista ^{[1
]}

de Oliveira, Ednaldo Miranda ^{[3
]}

de Oliveira, Job Teixeira ^{[4
]}

机构：

[1] Agr Res Co Minas Gerais, Pitangui, MG, Brazil

[2] Univ Fed Vicosa, Ctr Agr Sci, Dept Agr Engn, Vicosa, MG, Brazil

[3] Fed Inst Educ Sci & Technol Espirito Santo, Santa Teresa, ES, Brazil

[4] Univ Fed Mato Grosso do Sul, Dept Agron, Chapadao Do Sul, MS, Brazil

来源：

NATIVA | 2023年 / 11卷 / 04期

关键词：

Brassica oleracea L; irrigation management; sustainability; precision irrigation;

D O I：

10.31413/nativa.v11i4.13274

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Accepted ABSTRACT: Broccoli is attractive to consumers due to its high nutritional value. This study aimed to evaluate the crop yield components and water yield of the broccoli hybrid Centenario growing under different irrigation depths and nitrogen doses. The treatments consisted of no N fertilization (0 kg ha-1), half dose (75 kg ha-1), full dose (150 kg ha-1), double dose (300 kg ha-1), and triple dose (450 kg ha-1). Irrigation depths tested were: 0, 75, 100, 125, and 150% of the crop evapotranspiration (ETc). The application of smaller water depths during the growth stage of the Centenario hybrid increased water yields. However, regardless of the nitrogen dose, irrigation depths greater than crop evapotranspiration resulted in better crop productivity.

引用

页码：466 / 469

页数：4

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