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氮、磷、钾施肥配比对红枣光合特性与产量的影响

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以滴灌为条件设置不同水肥处理,研究氮磷钾施肥配比对红枣光合、产量与品质的影响.结果表明:土壤中增施氮素有利于枣树叶片的净光合速率,土壤中氮、磷、钾素都适度时可以很好地降低枣树叶片的蒸腾速率,减少土壤水分的损耗;在设计水平范围内,土壤中适量增施氮、磷肥能提高红枣果实单果质量和产量,并在一定程度上改善果形指数;增施钾肥可提高红枣果实中还原糖和Vc的含量,增施氮肥则可提高蛋白质的含量.
Influence on Photosynthetic Characteristics and Yield of Zizyphus Jujube under Different Treatments of N, P, K
Designing different treatments of water and fertilizer under drip irrigation, and Studying Photosynthetic characteristics, yield and fruit quality of Zizyphus Jujube. The results show that it is advantage for Pn of Zizyphus Jujube leaves to apply more fertilizer N in soil. it can low Tr of Zizyphus Jujube leaves and decrease the consumption of soil water. it can increase the single fruit weight and yield to apply more fertilizer N and P to soil in range of designed level, and improve the fruit shape index. It can increase the contents of revertose and vitamin C in fruit of Zizyphus Jujube to apply more fertilizer K to soil, and it can increase the content of protein in fruit of Zizyphus Jujube to apply more fertilizer N to soil

Drip irrigationFertilization proportionZizyphus JujubePhotosynthetic characteristicsYield

柴仲平、王雪梅、孙霞、蒋平安

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新疆农业大学,草业与环境科学学院,新疆,乌鲁木齐,830052

新疆师范大学,地理科学与旅游学院,新疆,乌鲁木齐,830054

滴灌 施肥配比 红枣 光合特性 产量

自治区科技攻关(含重大专项)和重点项目计划课题土壤学自治区重点学科资助

200731136-5

2011

农业系统科学与综合研究
中国系统工程学会农业系统工程委员会 中国科学院东北地理与农业生态研究所

农业系统科学与综合研究

CSTPCD
影响因子:0.811
ISSN:1001-0068
年,卷(期):2011.27(2)
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