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首页> 美国政府科技报告 >Effects of Ambient Oxidants in the Central San Joaquin Valley on the Thompson Seedless Grapes
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Effects of Ambient Oxidants in the Central San Joaquin Valley on the Thompson Seedless Grapes

机译：中部圣华金河谷环境氧化剂对汤普森无核葡萄的影响

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Results of a four year study with Thompson Seedless grapes grown in carbon filtered and ambient air at Parlier, California indicate that this crop is being significantly damaged by air pollutants present in central San Joaquin Valley air. Ten year old Thompson Seedless grape vines grown in carbon filtered air for four years produced approximately thirteen percent more cane prunings and fruit than did similar vines growing in non-filtered, ambient air. Sugar content of fruit from the filtered treatment averaged seven tenths (0.7) of a percentage point higher than fruit from the ambient treatment. The primary factors influencing the yield differences were a ten percent increase in bunch count and a four percent increase in bunch size.

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