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Effects of Ozone and Water Stress on Canopy Temperature, Water Use, and Water Use Efficiency of Alfalfa

机译：臭氧和水分胁迫对紫花苜蓿冠层温度，水分利用和水分利用效率的影响

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Ozone (O3) and soil water deficit are two environmental stresses that significantly affect the growth and yield of alfalfa. However, little is known of the responses of field-grown alfalfa to O3, and the effects of the interaction between O3 and water stress on canopy temperature and water relations of alfalfa have not been previously reported. Water use, rate of soil water depletion, or depth of effective rooting zone were not affected by O3, whereas water stress significantly reduced all three. Water use efficiency was significantly reduced by O3. The effects of O3 on WUE were attributed to premature senescence and abscission of older alfalfa leaves.

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作者
Temple, P. J. ; Benoit, L. F.;
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年度 1988
页码 1-12
总页数 12
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Ozone; Stress(Physiology); Soil water; Growth; Hay; Leguminous plants; Water consumption; Field tests; Irrigation; Droughts; Evapotranspiration; Temperature; Yield; Reprints;

机译：臭氧;胁迫（生理学）;土壤水;生长;干草;豆科植物;耗水量;田间试验;灌溉;干旱;蒸发蒸腾;温度;产量;重印;

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Effects of Ozone and Water Stress on Canopy Temperature, Water Use, and Water Use Efficiency of Alfalfa

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