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首页> 外文期刊>Archives of Agronomy and Soil Science >Interaction between grapevines and trees: effects on water relations, nitrogen nutrition, and wine
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Interaction between grapevines and trees: effects on water relations, nitrogen nutrition, and wine

机译：葡萄与树木之间的相互作用：对水关系，氮营养和葡萄酒的影响

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摘要

Agroforestry systems (AF) consisting of grapevines and trees, may lead to resource competition for water and nutrients. This study aimed to evaluate the impact of a combined cultivation on water relations, nitrogen nutrition and the resulting wine quality. N-15-labeled inorganic nitrogen (N) sources were used to quantify net N uptake capacity. N content and delta N-15 natural abundance were analysed as integrating parameters of N nutrition. Leaf water potential (psi(leaf)) was determined to evaluate the water status of grapevines. Wine quality was evaluated by chemical and sensory analyses. In result, AF system reduced leaf water potential and increased net N uptake capacity in grapevines. However, chemical composition and sensory quality of the wine were not significantly affected in the present system consisting of Riesling, Sauvignon Blanc, oak and poplar. Nitrogen availability of grapevines was favourable and water relations were improved, whereas wine quality was similar when grown with trees or without. Trees were able to reduce water and nitrogen losses without negative effects on wine quality. This work provides information on benefits and limits for intercropping of trees and grapevines in terms of performance of grapevines and wine quality compared to traditional vineyard systems.
机译：由葡萄和树木组成的农林料理系统（AF）可能导致水和营养的资源竞争。本研究旨在评估综合培养对水关系，氮营养和酿酒品质的影响。 N-15标记的无机氮（N）源用于量化NET N吸收能力。 N含量和Delta N-15天然丰度被分析为整合N营养的参数。确定叶子水位（PSI（叶））评估葡萄树的水状况。通过化学和感官分析评估葡萄酒品质。在结果中，AF系统降低了叶片水势和葡萄树中的净注射能力增加。然而，在目前的系统中，葡萄酒的化学成分和感觉质量不会受到显着影响riesling，Sauvignon Blanc，Oak和Poplar。葡萄园的氮气可用性是有利的，水合关系得到改善，而葡萄酒质量在树木或没有树木时相似。树木能够减少水和氮损失，对葡萄酒质量的负面影响。与传统的葡萄园系统相比，这项工作提供了有关树木和葡萄园的间作和葡萄树的益处和限制的信息。

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