Is it possible to attain high-yielding common bean using molybdenum fertilizer instead of side-dressed nitrogen?

被引：3

作者：

Lima da Costa Sapucay, Moryb Jorge ^{[1
]}

Vieira, Rogerio Faria ^{[2
]}

de Souza Carneiro, Jose Eustaquio ^{[1
]}

de Paula Junior, Trazilbo Jose ^{[2
]}

de Lima, Marilene Santos ^{[2
]}

Vieira, Rosana Faria ^{[3
]}

Vidigal, Sanzio Mollica ^{[2
]}

机构：

[1] Univ Fed Vicosa, Dept Fitotecnia, Campus UFV, Vicosa, MG, Brazil

[2] Empresa Pesquisa Agr Minas Gerais, Unidade Reg Epamig Zona Mata, Vila Gianetti 47, BR-36570900 Vicosa, MG, Brazil

[3] Embrapa Meio Ambiente, Jaguariuna, Brazil

来源：

JOURNAL OF PLANT NUTRITION | 2016年 / 39卷 / 11期

关键词：

Phaseolus vulgaris; molybdenum application; nitrogen nutrition; PHASEOLUS-VULGARIS L; REDUCTASE ACTIVITIES; FOLIAR APPLICATION; GRAIN-YIELD; NO-TILLAGE; CROP; INOCULATION; PHOSPHORUS; CULTIVARS; EFFICIENT;

D O I：

10.1080/01904167.2016.1161782

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

We evaluate the feasibility of using foliar-applied molybdenum, (Mo) instead of side-dressed nitrogen (N) in three experiments. In soils with native rhizobia, plants received 0, 30, 60, 90 or 120kg N ha(-1) with +Mo (80g ha(-1)) or -Mo. N concentration in leaves (NCL) -Mo ranged from 35.1 to 42.5g kg(-1) and NCL +Mo from 40.3 to 49.2g kg(-1); yield -Mo ranged from 1560 to 3350kg ha(-1)and yield +Mo from 2829 to 3567kg ha(-1). In two experiments, NCL or yield -Mo increased linearly or quadratically with increasing N rates, but NCL or yield +Mo did not. In one experiment, NCL increased linearly with increasing N rates and 16% with +Mo relative to -Mo, but yield was not affected significantly. Our results suggest that using Mo fertilizer instead of side-dressed N can allow common bean plants to meet crop demands for N to support yields as high as 3000kg ha(-1).

引用

页码：1644 / 1653

页数：10

共 44 条

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