WU Ying,SUN Bin,XU Li-xin.Study on Sulphur Status in Heilongjiang Paddy Soil and Effect of Sulphur[J].HEILONGJIANG AGRICULTURAL SCIENCES,2002,(01):5-6.[doi:10.11942/j.issn1002-2767.2002.01.0005]
黑龙江省主要类型水稻土壤硫素状况及硫肥有效性研究
- Title:
- Study on Sulphur Status in Heilongjiang Paddy Soil and Effect of Sulphur
- 文章编号:
- 1002 -2767(2002)01 -0005 -02
- Keywords:
- sulphur ; paddy soil ; yield ; quality
- 分类号:
- S153 .6
- 文献标志码:
- A
- 摘要:
- 硫是作物营养过程中不可缺少的中量元素。近年来, 由于无机元素的大量投入, 黑龙江省的部分耕地土壤出现了缺硫现象, 影响了作物的产量与品质。研究结果表明:黑龙江省不同类型水稻土壤全硫含量为102 ～ 816 mg/kg , 其中黑土>草甸土>草甸黑土>白浆土。有效硫的含量为7 .1 ～56 .7 mg/kg , 低于全国平均临界含量20 mg/kg 的地块出现频率占总样本的11.8 %, 低于缺硫临界含量15 mg/kg 的地块出现频率为9 .8 %。不同品种硫肥对水稻产量表现出了明显的增产效果和改善品质作用。
- Abstract:
- Sulphur is the important medium element and the fourth nutrient element for plant .In Heilongjiangprovince , total sulphur is 102 ～ 816mg/kg in different types of paddy soil , and average value is 476 .8mg/kg .black soil >meadow soil >meadow black soil >albic soil .Active sulphur is 7 .1 ～ 56 , 7mg/kg in differenttypes of paddy soil .The samples with an active sulphur value below the average value of china , 20mg/kg , accountfor 11 .8 %of total samples and 9 .8 % below 15mg/kg , the sulphur fertilizers show notable effect of increasingthe yield and improving the quality of rice
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备注/Memo
收稿日期:2001-07 -18