| 宽皮柑桔大小年结果树矿质营养的变化 |
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| 引用本文： | 周俊辉.宽皮柑桔大小年结果树矿质营养的变化[J].西南农业大学学报,2004,26(5):616-619. |
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| 作者姓名： | 周俊辉 |
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| 作者单位： | 仲恺农业技术学院园艺系 广东广州 510025 |
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| 摘 要： | 实验以15a生本地早（Citrus reticulata Blanco)为材料，研究了大、小年结果树无机营养的变化。大年结果树比小年结果树，非蛋白氮含量提高显著，蛋白氮和全氮含量降低，无机磷、有机磷和全磷含量降低，Ca显著提高而K，Mg及Fr，Mn，Cu含量处于偏低或缺乏的水平，表明大年结果树在无机营养上是贫乏的。
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| 关 键 词： | 大年结果 小年结果 宽皮柑桔 矿质营养 |
| 文章编号： | 1000-2642(2004)05-0616-04 |
VARIATION IN MINERAL NUTRIENTS IN THE LEAVES OF ALTERNATING BEARING TREES OF MANDARIN |
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| ZHOU Jun-hui.VARIATION IN MINERAL NUTRIENTS IN THE LEAVES OF ALTERNATING BEARING TREES OF MANDARIN[J].Journal of Southwest Agricultural University,2004,26(5):616-619. |
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| Authors: | ZHOU Jun-hui |
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| Abstract: | Fifteen-year-old mandarin (Citrus reticulata Blanco) trees with Poncirus stock were used as experimental materials to study the variation in mineral nutrition between off-year and on-year trees. Compared with the off-year trees, the on-year trees had significantly higher non-protein N, lower protein N and total N, lower mineral and organic P and total P, higher Ca, lower K, Mg, Fe, Mn and Cu. B was found to be at a low or deficient level. Such results indicate that on-year mandarin trees are relatively deficient in mineral nutrients. |
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| Keywords: | alternating bearing mandarin mineral nutrient |
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