Production components of Jatropha under irrigation and nitrogen fertilization in the semiarid region of Ceara

被引：1
|
作者：
de Carvalho, Clayton M. [1 ]
Marinho, Albanise B. [2 ]
Viana, Thales V. de A. [3 ]
Valnir Junior, Manoel [1 ]
Silva, Leonaria L. [3 ]
Gomes Filho, Raimundo R. [4 ]
机构：
[1] Fac Tecnol Centec Cariri, Eixo Recursos Nat, Juazeiro Do Norte, CE, Brazil
[2] Univ Integracao Int Lusofonia Afro Brasileira, Redencao, CE, Brazil
[3] Univ Fed Ceara, Dept Agr Engn, Fortaleza, CE, Brazil
[4] Univ Fed Sergipe, Dept Agr Engn, Sao Cristovao, SE, Brazil
来源：
REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL | 2015年 / 19卷 / 09期
关键词：
Jatropha curcas L; irrigation; biodiesel; productivity; PHYSIC NUT; GROWTH; WATER; CROP;
D O I：
10.1590/1807-1929/agriambi.v19n9p871-876
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Jatropha curcas L. proves to be a promising species, considering its inclusion in the National Program of Biodiesel Production and Use. However, since it has not been genetically improved, agronomic information is still scarce in the literature, especially under conditions of water and nutritional stress. Thus, this field study aimed to evaluate the effects of irrigation depths (735; 963; 1,191; 1,418 and 1,646 mm) and nitrogen fertilization (0; 25; 50 and 75 kg ha (1)) on the production of Jatropha plants. Plants under the highest irrigation depth showed the highest values of number of fruits and productivity of fruits, seeds and albumen. Plants under the irrigation depth of 1,191 mm showed the highest values of mean mass of albumen and the ratios between mass of albumen and mass of seeds and between mass of albumen and mass of fruits. Nitrogen fertilization did not influence the production components of Jatropha.
引用
收藏
页码：871 / 876
页数：6
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