Eggplant crop in no tillage system under different irrigation depths

被引：8
|
作者：
de Lima, Marcio E. [1 ]
de Carvalho, Daniel F. [2 ]
de Souza, Adilson P. [3 ]
Rocha, Hermes S. [4 ]
Guerra, Jose G. M.
机构：
[1] CDA, Secretaria Agr Estado Sao Paulo, BR-12516410 Guaratingueta, SP, Brazil
[2] UFRRJ, Inst Technol, Dept Engn, BR-23890000 Seropedica, RJ, Brazil
[3] Univ Fed Mato Grosso, Inst Ciencias Agr & Ambientais, Sinop, MT, Brazil
[4] Univ Sao Paulo, ESALQ, Sao Paulo, Brazil
来源：
REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL | 2012年 / 16卷 / 06期
关键词：
Solanum melongena; irrigation management; production functions; WATER; YIELD; L;
D O I：
10.1590/S1415-43662012000600003
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
This study was carried out in the municipality of Seropedica-RJ, in order to determine, under organic farming and no tillage system, the yield of eggplants under different irrigation depths and cropping systems (intercropped with legumes and alone). The experimental design was in randomized blocks in a split plot design with four replications. The plots were characterized by the treatments corresponding to different water depths (40, 70, 100, 120% ETc), and the sub plots, the intercropping systems with cowpea and eggplant alone. Cropping systems did not influence the final yield of eggplant. However, considering the different irrigation depths, the highest commercial yield (65.41 Mg ha(-1)) was obtained for a total depth of 690.04 mm (106.8% ETc). The lower applied depth provided lower quality of fruit compared with that observed in the higher depths. The rate of fruit discard was 3 and 14%, respectively, for the higher and lower depths of irrigation.
引用
收藏
页码：604 / 610
页数：7
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