Can less yield more? Is reducing nutrient input into the environment compatible with maintaining crop production?

Good A G; Shrawat A K; Muench D G

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Can less yield more? Is reducing nutrient input into the environment compatible with maintaining crop production?

机译：少产出可以多吗？减少向环境中输入的养分是否与维持作物产量相适应？

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Plant scientists have long recognized the need to develop crops that absorb and use nutrients more efficiently. Two approaches have been used to increase nutrient use efficiency (NUE) in crop plants. The first involves both traditional breeding and marker-assisted selection in an attempt to identify the genes involved. The second uses novel gene constructs designed to improve specific aspects of NUE. We discuss some recent developments in the genetic manipulation of NUE in crop plants and argue that an improved understanding of the transition between nitrogen assimilation and nitrogen recycling will be important in applying this technology to increasing crop yields. We emphasize the need to combine genetic and transgenic approaches to make significant improvements in NUE.

机译：长期以来，植物科学家已经认识到需要开发能更有效吸收和利用营养的农作物。已经使用两种方法来提高农作物的养分利用效率（NUE）。首先涉及传统育种和标记辅助选择，以试图鉴定涉及的基因。第二种使用新颖的基因构建体，旨在改善NUE的特定方面。我们讨论了作物中NUE的基因操纵方面的一些最新进展，并认为，对氮同化和氮循环之间过渡的更好理解对于将这项技术应用于提高农作物的产量至关重要。我们强调需要结合遗传和转基因方法来显着改善NUE。

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来源
《Trends in Plant Science》 |2004年第12期|共9页
作者
Good A G; Shrawat A K; Muench D G;
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原文格式 PDF
正文语种 eng
中图分类植物学;
关键词
assimilation; crop production; crop yield; crops; genetic engineering; genetic transformation; nitrogen; nitrogen cycle; nitrogen metabolism; nutrient transport; nutrient uptake; plant nutrition; reviews; transgenic plants; use efficiency;

机译：同化;作物生产;作物产量;作物;基因工程;基因转化;氮;氮循环;氮代谢;养分运输;养分吸收;植物营养;综述;转基因植物;利用效率;

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1. Can less yield more? Is reducing nutrient input into the environment compatible with maintaining crop production? [J] . Good A G, Shrawat A K, Muench D G Trends in Plant Science . 2004,第12期

机译：少产出可以多吗？减少向环境中输入的养分是否与维持作物产量相适应？
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3. Maintaining crop yield and soil fertility while reducing negative impacts on the environment: a case study in a long-term fertilizerexperiment [J] . YAN-CHEN WEN, JUAN LI, LIANG YUAN, Aspects of Applied Biology . 2015,第128期

机译：保持作物产量和土壤肥力，同时减少对环境的负面影响：长期肥料实验的案例研究
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机译：有机，“低输入”和常规作物生产系统对作物产量，质量和健康的影响; Nafferton FactorialSystems比较实验
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机译：单作覆盖作物的长期轮作增加了草莓的产量，减少了杂草种群，并在草莓生产过程中保持了土壤的化学，物理和生物学特性。
6. Global patterns of crop yield stability under additional nutrient and water inputs [O] . Christoph Müller, Joshua Elliott, Thomas A. M. Pugh, 2012

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7. Innovative cropping systems to reduce N inputs and maintain wheat yields by inserting grain legumes and cover crops in southwestern France [O] . PLAZA BONILLA, Daniel, Nolot, Jean Marie, Raffaillac, Didier, 2017

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Can less yield more? Is reducing nutrient input into the environment compatible with maintaining crop production?

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