| 长期施用含SO42- 肥料对水稻农艺性状及产量影响 |
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| 引用本文： | 高菊生.长期施用含SO42- 肥料对水稻农艺性状及产量影响[J].中国农学通报,2009,25(7):137-140. |
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| 作者姓名： | 高菊生 |
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| 作者单位： | 中国农业科学院红壤实验站 |
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| 基金项目： | 国家科技支撑计划“中南贫瘠红壤与水稻土地力提升关键技术模式研究与示范”（2006BAD05809）;国家农业公益性行业科研专项“绿肥作物生产与利用技术集成研究与示范”（200803029）;中央级公益性科研院所基本科研业务费专项资金（2008-4）. |
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| 摘 要： | 为了研究长期施用含SO4=肥料对水稻水稻农艺性状及产量的影响，对红壤地区农业持续发展和科学研究提供原创性的理论依据，刘更另院士于1975年开始在湖南祁阳官山坪中国农业科学院红壤实验站布置了肥料定位试验。试验设三个处理，即：处理一：SO4=，采用含SO4=化肥：(NH4)2SO4 + K2SO4 + 过磷酸钙。 处理二： Cl- ,采用含Cl- 化肥：NH4Cl + KCl + KH2PO4；处理三：隔离区（CK）。施用化肥NPK。即：尿素 +过磷酸钙+ 氯化钾。 三个处理NPK用量相同。通过32年的长期研究，结果表明：1.长期施用含SO4=肥料对水稻产量没有多大影响；2.长期施用含SO4=肥料能够提高水稻生物产量。据1982-2007年26年的总产量（生物产量）统计，SO4=处理（488653.5kg/hm2），比CK处理（483862.1 kg/hm2）高4791.4kg/hm2，比Cl-处理（477262.5kg/hm2）高11391.0 kg/hm2。3. 长期施用含SO4=肥料能够增加水稻有效穗，但结实率和千粒重较低。
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| 关 键 词： | 长期施肥 SO_4~(2-)肥料 水稻农艺性状 水稻产量 |
| 收稿时间： | 2008-10-24 |
| 修稿时间： | 2009-02-13 |
Long-term Application of SO4^2-Containing Fertilizers on Agriculture Properties and Yields of Rice |
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| Gao Jusheng,Qin Daozhu.Long-term Application of SO4^2-Containing Fertilizers on Agriculture Properties and Yields of Rice[J].Chinese Agricultural Science Bulletin,2009,25(7):137-140. |
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| Authors: | Gao Jusheng Qin Daozhu |
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| Institution: | (Institute of Agricultural Resources and Regional Planning CAAS, Qiyang Agro-ecosystem of National Field Station, Qiyang Hunan 426182) |
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| Abstract: | To study the effects of long-term application of SO4^2--containing fertilizers on agriculture properties and yields of rice and offer initial theoretical evidence to the agricultural sustaining development and scientific research of red soil area, Liu-Genghng academician disposed fertilizer orientation trial in the red soil experiment station of Chinese Agriculture Academy of Sciences laying in Qiyang Guanshanping of Hunan province in 1975. There were three treatments. Treatment one： SO4^2--containing SO4^2- chemical fertilizers： （NH,）2SO, ＋ K2SO4 ＋ calcium superphosphate. Treatment two： Cl^-, containing Cl^- chemical fertilizers： NH,Cl ＋ KCI ＋ KH2PO4; Treatment three： isolation area （CK）, containing NPK chemical fertilizers： urea ＋calcium superphosphate＋KCl. The NPK dosages of three treatments were same. After long-term reseach of 32 years, the results indicated that： 1. there were no influence to rice yields after long-term applying SO4^2--containing fertilizers;2. Long-term applying SO4^2--containing fertilizers could improve rice biological yields. According to the statistic of total yields（biological yields） of 26 years which was from 1982 to 2007, SO4^2- treatment（484 952.9kg/hm^2） was 6 544.0 kg/hm^2 more than CK treatment（478 408.9 kg/hm^2）, but 2 795.6 kg/hm^2 wamore than Cl^- treatment （482 157.3 kg/hm^2）. Long-term applying SO4^2--containing fertilizers could increase rice available spike,however, the seed rate and thousand-grain weight was lower. |
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| Keywords: | long-term fertilizer SO4^2- fertilizer agriculture properties of rice rice yield |
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