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Volume 13 Issue 2
Apr.  2012
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Article Contents
Chen Qiulin, Li Yan, Yao Yuanqiong, Chen Muwang. Diagnosis of Sulfur Deficiency and the Effect of Sulfur on Rice Grain Yield[J]. Fujian Journal of Agricultural Sciences, 1998, 13(2): 53-57.
Citation: Chen Qiulin, Li Yan, Yao Yuanqiong, Chen Muwang. Diagnosis of Sulfur Deficiency and the Effect of Sulfur on Rice Grain Yield[J]. Fujian Journal of Agricultural Sciences, 1998, 13(2): 53-57.

Diagnosis of Sulfur Deficiency and the Effect of Sulfur on Rice Grain Yield

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  • Received Date: 1997-06-05
  • Publish Date: 1998-06-15
  • The field and hydroponic experiments were conducted to confirm the effect of sulfur on rice grain yield and diagnostic index of sulfur deficiency,the results showed as follows: ①Fertilization of sulfur enhanced the number of effective panicles,percentage of filled grain and 1000 grain weight,significantly increased the grain yield.In sandy soils,which contained medium available sulfur,the proper doses of sulfur fertilizer was 15 kg per hectare. ②The effect of sulfur deficiency on rice grain yield was more serious at tillering stage than that at seedling and ear developing stage.Sulfur fertilizer should be applied as basic fertilizer. ③The proper organ for sulfur diagnosis was rice leaves.Total sulfur,sulfate sulfur and N/S ratio could be used for sulfur diagnosis and the critical levels were 0.11%,190 μg/g and 31 respectively at tillering stage.
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  • [3] 福建土壤普查办公室编.福建土壤.福州:福建科学技术出版社, 1991, 333~357
    [4] 崔徵, 张英聚.水稻无机矿质营养研究Ⅱ硫对水稻生长、发育、呼吸作用及酶活性的影响.作物学报, 1964, 3(1):25~32
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