Americas and Oceania Group - International Plant Nutrition Institute

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Northern Great Plains Region: Dr. Tom Jensen.................................................................................21 Alberta................................................................................................................................................................................. 21 Evaluation of Phosphate and Nitrogen Fertilizers Treated with Polymer Additives to Increase Fertilizer Efficiency.... 21 Large Urea Granules for Broadcast Application in No-till Barley Cropping.................................................................. 21 Large Urea Granules for Broadcast Application in No-till Spring Wheat....................................................................... 22 Large Urea Granules for Broadcast Application for No-till Cropping in Spring Wheat................................................. 22 British Columbia................................................................................................................................................................. 22 Evaluation of Phosphate and Nitrogen Fertilizers Treated with Polymer Additives to Increase Efficiency................... 22 Manitoba............................................................................................................................................................................. 23 Impact of Long-Term Application of Phosphate Fertilizer on Cadmium Accumulation in Crops.................................. 23 Montana............................................................................................................................................................................... 23 A Micrometeorological Study to Quantify Ammonia Volatilization Losses from Surface-Applied Urea in the Semiarid Northern Great Plains.............................................................................................................................. 23 Nitrogen Fertilization Methods for No-till Cropping of Winter Wheat in Central Montana........................................... 24 North Dakota....................................................................................................................................................................... 24 Nitrogen Recalibration for Corn in North Dakota............................................................................................................ 24 Saskatchewan...................................................................................................................................................................... 25 Evaluation of Urea Nitrogen Fertilizer Treated with Nutrisphere ® Polymer Additive to Increase Fertilizer Efficiency.......... 25 Western Region: Dr. Robert Mikkelsen...............................................................................................27 Arizona................................................................................................................................................................................. 27 Improving Nitrogen Fertilizer Management in Surface-Irrigated Cotton........................................................................ 27 California............................................................................................................................................................................. 27 Assessment of Alfalfa Yield Monitoring Technology to Improve Nutrient Use Efficiency............................................. 27 Relationship of Soil Potassium Fixation and Other Soil Properties to Fertilizer Potassium Rate Requirement.............. 28 N 2 O Emissions from the Application of Fertilizers: Source Partitioning......................................................................... 28 Western Nutrient Digest- A Regional Publication to Promote Nutrient Efficiency.......................................................... 29 Idaho.................................................................................................................................................................................... 29 Root Scans to Document Fertilizer Response.................................................................................................................. 29 Documenting Phosphorus Efficiency for Potato Production............................................................................................ 29 Utah...................................................................................................................................................................................... 30 Can Tart Cherry Yield and Fruit Quality be Increased with Improved Phosphorus and Potassium Management?......... 30 Northcentral Region: Dr. Scott Murrell...............................................................................................31 Iowa...................................................................................................................................................................................... 31 Variability in Soil Test Potassium and Crop Yield in Iowa.............................................................................................. 31 Global Maize Project in the United States: Ames, Iowa.................................................................................................. 31 Indiana................................................................................................................................................................................. 32 Comparative Nutrient Use Efficiency by Candidate Biofuel Crops................................................................................. 32 Southeast Region: Dr. Steve Phillips....................................................................................................33 Alabama............................................................................................................................................................................... 33 Evaluation of Fertilizer Application Uniformity and Nutrient Distribution..................................................................... 33 Arkansas.............................................................................................................................................................................. 33 Biomass and Macronutrient Accumulation and Losses in Switchgrass During and After the Growing Season.............. 33 Florida.................................................................................................................................................................................. 34 Bahiagrass Production and Nitrogen Leaching from Various Nitrogen Fertilizer Sources.............................................. 34 Nitrogen Rate Study for Potato Production in Northeast Florida..................................................................................... 34 Louisiana............................................................................................................................................................................. 35 Validation of an On-Site, Active Sensor-Based Midseason Nitrogen Decision Tool for Rice Production in the Mid-South........................................................................................................................................................... 35 2 IPNI Interpretive Summaries
Missouri............................................................................................................................................................................... 35 Survey of Weed Nutrient Removal Potential in Missouri Soybean.................................................................................. 35 North Carolina.................................................................................................................................................................... 36 Soil Fertility Management for High Population, Narrow Row Corn Production............................................................. 36 Kentucky.............................................................................................................................................................................. 36 Evaluation of Sidedress Nitrogen Sources in Dark Tobacco............................................................................................ 36 Evaluation of Sidedress Nitrogen Sources in Burley Tobacco......................................................................................... 37 Tennessee............................................................................................................................................................................. 37 Documenting Nutrient Deficiency and Accumulation Rate in Vegetables....................................................................... 37 Southern and Central Great Plains Region: Dr. Mike Stewart.......................................................... 39 Kansas.................................................................................................................................................................................. 39 Effect of Long-term Nitrogen, Phosphorus, and Potassium Fertilization of Irrigated Corn and Grain Sorghum............ 39 Effect of Potassium, Chloride, and Nitrogen on Corn, Wheat, and Double-crop Sunflower Grown on Southeastern Kansas Claypan Soil..................................................................................................................................................... 39 Applied Fertility Management for Irrigated Soybean Production.................................................................................... 40 Nebraska.............................................................................................................................................................................. 40 Soil Test Phosphorus Level and Yield Potential............................................................................................................... 40 Texas..................................................................................................................................................................................... 41 Nutrient Removal by Fruit and Vegetable Crops in Texas............................................................................................... 41 Mexico and Central America: Dr. Armando Tasistro............................................................................43 Global Maize Project in Mexico: Celaya, Guanajuato..................................................................................................... 43 Global Maize Project in Mexico: Toluca, México............................................................................................................ 43 Brazil: Dr. Luís Ignácio Prochnow..........................................................................................................45 Sustainable Production Systems under No-Till in the Cerrado of Brazil......................................................................... 45 Sources and Rates of Phosphorus in a Cultivation System Integrating Crop and Pasture Production in the State of Parana.............................................................................................................................................................. 45 Rates and Residual Effect of Potassium Fertilization in a Brazilian Soil......................................................................... 45 Soil Physical Properties, Dynamics of Nitrogen, Phosphorus, and Potassium, and Crop Yield as Influenced by Soil Compaction Under No-Till........................................................................................................................................... 46 Global Maize Project in Brazil: Itiquira, Mato Grosso..................................................................................................... 47 Global Maize Project in Brazil: Ponta Grossa, Paraná..................................................................................................... 47 Brazilian Soil Fertility Survey (Phase 1).......................................................................................................................... 48 Latin America–Southern Cone: Dr. Fernando García..........................................................................49 Argentina............................................................................................................................................................................. 49 The Crop Nutrition Network in the CREA Region of Southern Santa Fe........................................................................ 49 Long-term Nutrient Management Network for Southern Buenos Aires Province........................................................... 49 Evaluation of Enhanced Efficiency Fertilizers for Wheat and Maize.............................................................................. 50 Response to Zinc in Maize Crop Grown in the Argentinean Pampas.............................................................................. 50 Global Maize Project in Argentina: Balcarce, Buenos Aires............................................................................................ 50 Global Maize Project in Argentina: Oro Verde, Entre Ríos.............................................................................................. 51 Uruguay............................................................................................................................................................................... 51 Exploration of Responses to Potassium in Western Uruguay........................................................................................... 51 Northern Latin America: Dr. Raúl Jaramillo........................................................................................53 Colombia.............................................................................................................................................................................. 53 Nutrient Demand of Oil Palm Hybrids for Tropical America.......................................................................................... 53 Global Maize Initiative, Colombia................................................................................................................................... 53 IPNI Interpretive Summaries 3
Page 1: INTERNATIONAL PLANT NUTRITION INSTI
Page 4 and 5: 4 ii IPNI Interpretive Summaries
Page 8 and 9: Ecuador............................
Page 10 and 11: Addressing Multi-Nutrient Deficienc
Page 12 and 13: HarvestPlus Zinc Fertilizer Project
Page 14 and 15: Studies on the effect of rate and t
Page 16 and 17: population and fertilizer applicati
Page 18 and 19: Global Maize Initiative, Colombia P
Page 20 and 21: New York Comparison of Tissue Potas
Page 22 and 23: Results in 2010 from two of the thr
Page 24 and 25: 20 IPNI Interpretive Summaries
Page 26 and 27: site experiment had excessive spati
Page 28 and 29: urea-N (46-0-0) to the soil surface
Page 32 and 33: In order to assess the accuracy of
Page 34 and 35: Utah Can Tart Cherry Yield and Frui
Page 36 and 37: Indiana Comparative Nutrient Use Ef
Page 38 and 39: in early May. The trend in response
Page 40 and 41: North Carolina in soybean fields in
Page 44 and 45: y fertilizer treatments. This study
Page 48 and 49: was low under both management syste
Page 50 and 51: Results so far indicate that it is
Page 52 and 53: Brazilian Soil Fertility Survey (Ph
Page 54 and 55: Evaluation of Enhanced Efficiency F
Page 56 and 57:
52 IPNI Interpretive Summaries
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y this time a carry-over effect wit
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ensure optimized response to future
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Phosphorus Improves Oaten Hay Yield
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and K; and (iii) high fertility fie
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Effect of Potassium Rates on Litchi
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ha for RU and at 105 kg N/ha (50% o
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Environmentally Sound Fertilization
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Balanced Nutrient Management for Ma
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Research on Balanced Fertilization
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Improving the Method and Classifica
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Effect of Long-term Application of
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Nutrient Expert-based Fertilizer Re
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ecommendation plots received on ave
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Fruit yield variograms of different
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of rice. The dry matter yield range
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ha), but was at par with NE (INR 56
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of mineral nutrients in wheat grain
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high capsaicin content of 1.5% were
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Site-Specific Nutrient Management f
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Best Management Practice for Crop N
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other treatments. Interestingly, ho
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