塿土的锌肥肥效和磷、锌关系
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INVESTIGATION ON THE Zn DEFICIENCY AND THE RELA TIONSHIP BETWEEN PHOSPHORUS AND ZINC IN “LOW-TU”
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    摘要:

    (土娄)土施用锌肥曾取得良好效果,我们的田间试验证明,施用锌肥可增产7.8-16.8%,但有些地块施用锌肥不表现增产作用。近年来由于广泛进行土地平整,有些地段大量生土出露地表,往往表现出缺锌症状。

    Abstract:

    "Low-tu" has long been recognized as a main soil type in China.This soil is oecurring on the loessial plateau of Shaanxi and Shanxi provinces of northwestern China and developed on drab soil after a long history of cultivation and manuring. Continuous deposition of loessial materials results the soil slightly ealcareous,with a thick and loose surface soil of silty loam texture,characterizing as the "Low-tu" horizon.This old cultivated horizon usually has a depth up to one meter,under which is a clay accumulated layer,subsequently a lime accumulated layer,and then the parent material of original drab soil.Pot culture experiments with corn plant were made separately for the soil samples of these four horizons.The soil and Plants were analysed and interaetions of P-Zn were explained.

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彭琳,彭祥林,李鼎新,余存祖,刘要红,黄凯.塿土的锌肥肥效和磷、锌关系[J].土壤学报,1980,17(1):62-68. Peng Lin, Peng Xiang-lin, Li Ding-xin, Yu Cun-zu, Liu Yao-hong, Huang Kai. INVESTIGATION ON THE Zn DEFICIENCY AND THE RELA TIONSHIP BETWEEN PHOSPHORUS AND ZINC IN “LOW-TU”[J]. Acta Pedologica Sinica,1980,17(1):62-68.

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  • 在线发布日期: 2013-02-25
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