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| 1 | 实时实地氮肥管理对水稻产量和稻米品质的影响显示文摘【目的】探讨实时实地氮肥管理对水稻产量和品质的影响。【方法】试验于2004和2005年在大田条件下,以两优培九、汕优63为材料研究了不同叶绿素仪(SPAD)预设阈值指导下的实时实地氮肥管理方式的产量与产量形成以及相应的稻米品质特性。【结果】在实时氮肥管理(RTNM)模式下,两优培九和汕优63各施氮处理比不施氮处理增产幅度分别达21.12%~57.65%和15.00%~31.18%。在实地氮肥管理(SSNM)模式下,两优培九和汕优63SSNM处理比不施氮小区增产幅度分别达45.44%~50.71%和28.53%~32.40%。两优培九SPAD阈值分别由34~45的RTNM模式下,当SPAD阈值介于38~41之间时(氮肥用量120~165kgN·ha-1)可以改善稻米的外观品质和加工品质;汕优63则以SPAD阈值36~39(氮肥用量:120~165kgN·ha-1)范围内有利于改善米质。SSNM模式下以SPAD施肥阈值为37-39(氮肥用量130kgN·ha-1)进行氮肥运筹能显著改善两优培九的加工品质、外观品质和营养品质;SSNM模式下汕优63以SPAD阈值为35~37时稻米品质相对较好,同时产量也比较高。【结论】实时实地氮肥管理能较好地协调水稻产量和品质的关系,关键措施是依据品种特性确定适宜的预设SPAD阈值。在本试验条件下,实时实地氮肥管理模式两优培九以SPAD38~39、汕优63以SPAD35~37左右时能获得较高的产量和部分地改善米质,可以作为生产上应用实时实地氮肥管理时的推荐阈值。 | 贺帆 黄见良 崔克辉 曾建敏 徐波 彭少兵 R J Buresh | 2007 | 中国农业科学2007，40，1： | 107 |
| 2 | 不同水分条件下施用稻草对土壤有机酸和有效磷的影响显示文摘 | 彭娜 王凯荣 Buresh R J 王开峰 谢小立 | 2006 | 土壤学报2006，43，2： | 30 |
| 3 | Evolution and soil entrapment of nitrogen gases formed by denitrification in flooded soil 显示文摘 | Samson M I Buresh R J De Datta S K | 1990 | Soil Science and Plant Nutrition1990，36，： | 1 |
| 4 | Nitrogen and phosphorus distribution and utilization by Spartina alterniflora in a Louisiana gulf coastal marsh显示文摘 | BURESH R J DELAUNE R D PATRICK W H | 1980 | Estuaries and coasts1980，3，2： | 1 |
| 5 | Actual evapotranspiration and dual crop coefficients for dry-seeded rice and hybrid maize grown with overhead sprinkler irrigation显示文摘 | Alberto M C R Quilty J R Buresh R J | 2014 | Agricultural Water Management2014，136，： | 1 |
| 6 | Soil nitrate and water dynamics in sesbania fallows, weed fallows and maize 显示文摘 | Hartemink A E Janssen B H Buresh R J | 1996 | Soil Science Society of America Journal1996，60，2： | 1 |
| 7 | Strategies for o- vercoming low agronomic nitrogen use efficiency in irriga- ted rice systems in China显示文摘 | Feng S B Buresh R J Huang J L | 2006 | Field Crops Research2006，96，： | 1 |
| 8 | Competition in tree row agroforestry systems:Distribution, dynamics and uptake of soil inorgnic N 显示文摘 | LIVESLEY S J GREGORY P J BURESH R J | 2002 | Plant and soil2002，247，： | 1 |
| 9 | Simulation soil nitrogen transformations and crop response to nitrogen using the CERES-rice model显示文摘 | Buresh R J Singh U Godwin D C | 1991 | IRIR Research Paper Series1991，151，： | 1 |
| 10 | Soil phosphorus fractions and absorption as affected by organic and inorganic sources显示文摘 | Nziguheba G Palm C A Buresh R J | 1998 | Plant Soil1998，198，2： | 1 |
| 11 | Soil solution sampling for organic acids in rice paddy soils显示文摘 | Angeles O R Johnson S E Buresh R J | 2006 | Soil Science Society of America Journal2006，70，1： | 1 |
| 12 | Strategies for over-coming low agronomic nitrogen use efficiency in irrigated rice systems in China显示文摘 | Peng S B Buresh R J Huang J L | 2006 | Field Crops Research2006，96，1： | 1 |
| 13 | Field evaluation of two urease inhibitors with transplanted lowland rice显示文摘 | BURESH R J de DATTA S K PADILLA J L | 1986 | Agron J1986，，78： | 1 |
| 14 | Tithonia diversifolia as a green manure for soil fertility improvement in western Kenya:A review显示文摘 | Jama B Palm C A Buresh R J | 2000 | Agroforestry Systems2000，49，2： | 1 |
| 15 | Direct measurement of dinitrogen and nitrous oxide flux in flooded rice fields显示文摘 | Buresh R J Austin E R | 1998 | Soil Sci Soc A1998，，52： | 1 |
| 16 | Sedimentation rates de termined by 13VCs dating in a rapidly accreting salt marsh 显示文摘 | DeLaune R D Patrick Jr W H Buresh R J | 1978 | Nature1978，275，： | 1 |
| 17 | Soil nitrate and water dynamics in sesbania fallows,weed fallows and maize显示文摘 | Hartemink A E Buresh R J Jama B | | 0，，： | 1 |
| 18 | Strategies for overcoming low agronomic nitrogen use efficiency in irrigated rice systems in China 显示文摘 | Peng S Buresh R J Huang J | 2006 | Field Crops Res2006，96，： | 1 |
| 19 | Strategies for overcoming low agronomic nitrogen use efficiency in irrigated rice systems in China显示文摘 | Peng S B Buresh R J Huang J L | 2006 | Field Crops Research2006，96，： | 1 |
| 20 | Improving nitrogen fertilization in rice by site-specific N management: A review显示文摘 | Peng S Buresh R J Huang J | 2010 | Agronomy2010，30，64： | 1 |
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