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99篇 您的检索式:作者名="Olk D"
    题名 作者 年代 出处 被引量
1Opportunities for in- creased nitrogen use efficiency from improved resource manage- ment in irrigated rice systems 显示文摘Cassman K G Peng S Olk D C 1998Field Crops Research1998,56,:1
2Opportunities for increasednitrogen use efficiency form improved resource management inirrigated rice systems显示文摘Cassman K G Peng S Olk D C 1998Field Crops Research1998,56,12:1
3Interpreting fertilizer-use efficiency in relation to soil mutrient-supplying capacity, factor productivity, and agronomic efficiency 显示文摘Olk D C Cassman K G Simbahan G C 1999Nutrient Cycle in Agroecosystem1999,53,:1
4Crop rotation and residue management effects on carbon sequestration, nitrogen cycling and productivity of irrigated rice systems显示文摘Witt C Cassman K Olk D Biker U Liboon S Samson M Ottow J 2000Plant and Soil2000,225,1:1
5Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems 显示文摘Cassman K G Peng S Olk D C 1998Field Crops Research1998,56,:1
6Interpreting fertilizer use efficiency in relation to soil nutrient supplying capacity factor productivity and agronomic efficiency 显示文摘OLK D C CASSMAN K G SIMBABAN G 1999Nutrient Cycling in Agroecosystems1999,53,1:1
7Opportunities for increased nitrogen use efficiency from improved resource management in irrigated rice systems显示文摘Cassman K G Peng S Olk D C et a1 1998Field Crops Research1998,56,:1
8Opportunities for in- creased nitrogen use efficiency from improved resource manage- ment in irrigated rice systems 显示文摘CASSMAN K G PENG S OLK D C 1998Field Crops Research1998,56,12:1
9Opportunities for increased nitrogen use efficiency form improved resource management in irrigated rice systems显示文摘Cassman K G Peng S Olk D C 1998Field Crops Research1998,56,12:1
10Opportunities for increased nitrogenuseefficiency from improved resource management inirrigated rice systems显示文摘Cassman K G Peng S Olk D C 1998Field Crops Research1998,,56:1
11Chemical stabilization of soil organic nitrogen by phenolic lignin residues in anaerobic agroecosys- tems显示文摘Olk D C Cassman K G Rohr K S 2006Soil Biology and Biochemistry2006,38,:1
12Reduction of potassium fixation by two humic acid fractions in vermiculitic soils显示文摘Olk D C Cassman K G 1995Soil science society of America journal1995,59,:1
13Opportunities for increased nitrogen use efficiency from improved resource management in irrigated rice systems显示文摘Cassman K G Peng S Olk D C Ladha J K Reichardt W Dobermann A Singh U 1998Field Crops Research1998,56,:1
14X -ray powder diffraction from carbon nanotubes and nanopartieles 显示文摘Reznik D Olk C H Neumann D A 1995Phys Rev B1995,52,:1
15Detrital sedimentary rock classification and nomenclature for use in New Zealand 显示文摘olk R L Andrews P B Lewis D W 1970New Zealand Journal of Geology and Geophysics1970,13,4:1
16Interpreting fertilizer-use efficiency in relation to soil nutrient-supplying capacity, factor Productivity, and agronomic efficiency 显示文摘Olk D C Cassman K G Simbahan G 1999Nutrient Cycling in Agroecosystems1999,53,1:1
17Changes in chemical properties of organic matter with intensified rice cropping in tropical lowland soil显示文摘Olk D C Cassman K G Randall E W 1996European Journal of Soil Science1996,47,:1
18Phenol accumulation in a young humic fraction following anaerobic decomposition of rice crop residues显示文摘Olk D C 2009Soil Science Society ofA merica Journal2009,73,:1
19Opportunities for increased nitrogen use efficiency from improved resource management in irrigated rice systems 显示文摘Cassman K G Peng S Olk D C 1998Field Crops Research1998,56,:1
20Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems显示文摘Cassman K G Pengb S Olk D C 1998Field Crops Research1998,56,12:1
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