Cassman, K. G. Person

selected publications

• article

  • A spatial framework for ex-ante impact assessment of agricultural technologies.  GLOBAL FOOD SECURITY-AGRICULTURE POLICY ECONOMICS AND ENVIRONMENT.  20:72-81. 2019
  • Mapping rootable depth and root zone plant-available water holding capacity of the soil of sub-Saharan Africa..  Geoderma.  324:18-36. 2018
  • Beyond the plot: technology extrapolation domains for scaling out agronomic science..  Environmental Research Letters.  13:54027. 2018
  • Rooting for food security in Sub-Saharan Africa.  Environmental Research Letters.  12:114036. 2017
  • Can yield gap analysis be used to inform R&D prioritisation?.  GLOBAL FOOD SECURITY-AGRICULTURE POLICY ECONOMICS AND ENVIRONMENT.  12:109-118. 2017
  • Kenya public weather processed by the Global Yield Gap Atlas project.  Journal of Agricultural Research.  3:16-18. 2017
  • Can sub-Saharan Africa feed itself?.  Proceedings of the National Academy of Sciences of the United States of America.  113:14964-14969. 2016
  • Temperature explains the yield difference of double-season rice between tropical and subtropical environments.  Field Crops Research.  198:303-311. 2016
  • Global nitrogen budgets in cereals: A 50-year assessment for maize, rice, and wheat production systems..  Scientific Reports.  6:19355-19355. 2016
  • Creating long-term weather data from thin air for crop simulation modeling.  Agricultural and Forest Meteorology.  209:49-58. 2015
  • Assessment of rice self-sufficiency in 2025 in eight African countries.  GLOBAL FOOD SECURITY-AGRICULTURE POLICY ECONOMICS AND ENVIRONMENT.  5:39-49. 2015
  • From field to atlas: Upscaling of location-specific yield gap estimates.  Field Crops Research.  177:98-108. 2015
  • How good is good enough? Data requirements for reliable crop yield simulations and yield-gap analysis.  Field Crops Research.  177:49-63. 2015
  • Reply to 'No-till agriculture and climate change mitigation'.  Nature Climate Change.  5:489-489. 2015
  • Soybean Irrigation Management: Agronomic Impacts of Deferred, Deficit, and Full‐Season Strategies.  Crop Science.  54:2782-2795. 2014
  • Limited potential of no-till agriculture for climate change mitigation.  Nature Climate Change.  4:678-683. 2014
  • Use of agro-climatic zones to upscale simulated crop yield potential.  Field Crops Research.  143:44-55. 2013
  • Soybean Root Development Relative to Vegetative and Reproductive Phenology.  Agronomy Journal.  104:1702-1709. 2012
  • Effective monitoring of agriculture: a response.  Journal of Environmental Monitoring.  14:738-742. 2012
  • Maize-N: A Decision Tool for Nitrogen Management in Maize.  Agronomy Journal.  103:1276-1283. 2011
  • Nodal Leaf Area Distribution in Soybean Plants Grown in High Yield Environments.  Agronomy Journal.  103:1198-1204. 2011
  • The importance of maintenance breeding: a case study of the first miracle rice variety-IR8..  Field Crops Research.  119:342-347. 2010
  • Simulation of soybean growth and yield in near-optimal growth conditions.  Field Crops Research.  119:161-174. 2010
  • Estimating maize nutrient uptake requirements..  Field Crops Research.  118:158-168. 2010
  • Monitoring the world's agriculture.  Nature.  466:558-560. 2010
  • Evaluation of NASA Satellite‐ and Model‐Derived Weather Data for Simulation of Maize Yield Potential in China.  Agronomy Journal.  102:9-16. 2010
  • Growth and Nitrogen Fixation in High‐Yielding Soybean: Impact of Nitrogen Fertilization.  Agronomy Journal.  101:958-970. 2009
  • Leaf area index simulation in soybean grown under near-optimal conditions.  Field Crops Research.  108:82-92. 2008
  • Temporal Origin of Nitrogen in the Grain of Tropical Wet-Season Rice.  Agronomy Journal.  97:698-704. 2005
  • Temporal origin of nitrogen in the grain of irrigated rice in the dry season: the outcome of uptake, cycling, senescence and competition studied using a 15N-point placement technique.  Field Crops Research.  89:337-348. 2004
  • Rice yields decline with higher night temperature from global warming.  Proceedings of the National Academy of Sciences of the United States of America.  101:9971-9975. 2004
  • Uptake of nitrogen by rice studied with a 15N point-placement technique.  Plant and Soil.  259:259-265. 2004
  • Crop rotation and residue management effects on carbon sequestration, nitrogen cycling and productivity of irrigated rice systems.  Plant and Soil.  225:263-278. 2000
  • Reversal of rice yield decline in a long-term continuous cropping experiment..  Agronomy Journal.  92:633-643. 2000
  • Grain yield of rice cultivars and lines developed in the Philippines since 1966.  Crop Science.  40:307-314. 2000
  • Yield Potential Trends of Tropical Rice since the Release of IR8 and the Challenge of Increasing Rice Yield Potential.  Crop Science.  39:1552-1559. 1999
  • Effect of Leaf Phosphorus and Potassium Concentration on Chlorophyll Meter Reading in Rice.  Plant Production Science.  2:227-231. 1999
  • Interpreting fertilizer use efficiency in relation to soil nutrient-supplying capacity, factor productivity, and agronomic efficiency.  Nutrient Cycling in Agroecosystems.  53:35-41. 1999
  • Critical nitrogen concentrations: implications for high-yielding rice (Oryza sativa L.) cultivars in the tropics.  Field Crops Research.  59:31-41. 1998
  • COMPARISON OF HIGH-YIELD RICE IN TROPICAL AND SUBTROPICAL ENVIRONMENTS. I.DETERMINANTS OF GRAIN AND DRY MATTER YIELDS.  Field Crops Research.  57:71-84. 1998
  • Comparison of high-yield rice in tropical and subtropical environments: II. Nitrogen accumulation and utilization efficiency.  Field Crops Research.  57:85-93. 1998
  • Upper Threshholds of Nitrogen Uptake Rates and Associated Nitrogen Fertilizer Efficiencies in Irrigated Rice.  Agronomy Journal.  90:178-185. 1998
  • Conserved chemical properties of young humic acid fractions in tropical lowland soil under intensive irrigated rice cropping.  European Journal of Soil Science.  49:337-349. 1998
  • Soil microbial biomass and nitrogen supply in an irrigated lowland rice soil as affected by crop rotation and residue management.  Biology and Fertility of Soils.  28:71-80. 1998
  • Simulating genotypic strategies for increasing rice yield potential in irrigated, tropical environments.  Field Crops Research.  51:5-17. 1997
  • Soil N supply and plant N uptake by irrigated rice in Tamil Nadu.  Field Crops Research.  51:55-64. 1997
  • Inorganic and organic phosphorus dynamics during a build-up and decline of available phosphorus in an ultisol.  SOIL SCIENCE.  162:254-264. 1997
  • Nutritional physiology of the rice plants and productivity decline of irrigated rice systems in the tropics.  Soil Science and Plant Nutrition.  43:1101-1106. 1997
  • Long-term Comparison of the Agronomic Efficiency and Residual Benefits of Organic and Inorganic Nitrogen Sources for Tropical Lowland Rice.  Experimental Agriculture.  32:427-444. 1996
  • Changes in chemical properties of organic matter with intensified rice cropping in tropical lowland soil.  European Journal of Soil Science.  47:293-303. 1996
  • Nitrogen supplying capacity of lowland rice soils in southern India.  Communications in Soil Science and Plant Analysis.  27:2851-2874. 1996
  • INCREASED N-USE EFFICIENCY USING A CHLOROPHYLL METER ON HIGH-YIELDING IRRIGATED RICE.  Field Crops Research.  47:243-252. 1996
  • Nitrogen-use efficiency in tropical lowland rice systems: contributions from indigenous and applied nitrogen.  Field Crops Research.  47:1-12. 1996
  • Soil organic matter and the indigenous nitrogen supply of intensive irrigated rice systems in the tropics.  Plant and Soil.  182:267-278. 1996
  • Effect of sheath blight on yield in tropical, intensive rice production system.  Plant Disease.  80:1103-1108. 1996
  • Effects of late nitrogen fertilizer application on head rice yield, protein content, and grain quality of rice.  Cereal Chemistry.  73:556-560. 1996
  • Fertilizer inputs, nutrient balance and soil nutrient supplying power in intensive, irrigated rice system. III. Phosphorus.  Nutrient Cycling in Agroecosystems.  46:111-125. 1996
  • Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. I. Potassium uptake and K balance.  Nutrient Cycling in Agroecosystems.  46:1-10. 1996
  • Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. II: Effective soil K-supplying capacity.  Nutrient Cycling in Agroecosystems.  46:11-21. 1996
  • Nitrogen use efficiency of irrigated tropical rice established by broadcast wet-seeding and transplanting.  FERTILIZER RESEARCH.  45:123-134. 1996
  • Nitrogen use efficiency of irrigated tropical rice established by broadcast wet-seeding and transplanting 1996
  • The nature of agricultural systems: food security and environmental balance.  Food Policy.  20:439-454. 1995
  • Reduction of Potassium Fixation by Two Humic Acid Fractions in Vermiculitic Soils.  Soil Science Society of America Journal.  59:1250-1258. 1995
  • Characterization of two humic acid fractions from a calcareous vermiculitic soil: implications for the humification process.  Geoderma.  65:195-208. 1995
  • Chlorophyll meter estimates leaf area‐based nitrogen concentration of rice.  Communications in Soil Science and Plant Analysis.  26:927-935. 1995
  • Kinetics of potassium fixation in vermiculitic soils under different moisture regimes.  Soil Science Society of America Journal.  59:423-429. 1995
  • Dynamic soil tests for rice 1995
  • Microbial biomass and organic matter turnover in wetland rice soils.  Biology and Fertility of Soils.  19:333-342. 1995
  • Potassium balance and soil potassium supplying power in intensive, irrigated rice ecosystems 1995
  • RELATIONSHIP BETWEEN LEAF PHOTOSYNTHESIS AND NITROGEN-CONTENT OF FIELD-GROWN RICE IN TROPICS.  Crop Science.  35:1627-1630. 1995
  • Evaluation of a mechanistic model of potassium uptake by cotton in vermiculitic soil.  Soil Science Society of America Journal.  58:1174-1183. 1994
  • Cotton root and shoot response to localized supply of nitrate, phosphate and potassium: Split-pot studies with nutrient solution and vermiculitic soil.  Plant and Soil.  161:179-193. 1994
  • Microwave‐oven drying of rice leaves for rapid determination of dry weight and nitrogen concentration.  International plant nutrition colloquium. 10.  17:209-217. 1994
  • Quantitative understanding of the irrigated rice ecosystem and yield potential 1994
  • Quantitative understanding of yield potential 1994
  • Yield potential of rice: past, present and future perspectives 1994
  • conceptual framework for nitrogen management of irrigated rice in high-yield environments 1994
  • Nitrogen and yield potential of irrigated rice.  Plant and Soil.  155:391-394. 1993
  • Nitrogen use efficiency of rice reconsidered: What are the key constraints?.  Plant and Soil.  155:359-362. 1993
  • Adjustment for Specific Leaf Weight Improves Chlorophyll Meter's Estimate of Rice Leaf Nitrogen Concentration.  Agronomy Journal.  85:987-990. 1993
  • Nitrogen fixation in tropical cropping systems.  Field Crops Research.  34:230-232. 1993
  • Input/output analysis of the cumulative soybean response to phosphorus on an ultisol.  Field Crops Research.  34:23-36. 1993
  • Increasing the yield plateau in rice and the role of global climate change..  Journal of Agricultural Meteorology.  48:795-798. 1993
  • NITROGEN USE EFFICIENCY OF RICE RECONSIDERED - WHAT ARE THE KEY CONSTRAINTS.  Plant and Soil.  155:359-362. 1993
  • Fertilizer-nitrogen use efficiency of irrigated wheat. I. Uptake efficiency of preplant versus late-season application.  Agronomy Journal.  84:682-688. 1992
  • COTTON RESPONSE TO RESIDUAL FERTILIZER POTASSIUM ON VERMICULITIC SOIL - ORGANIC-MATTER AND SODIUM EFFECTS.  Soil Science Society of America Journal.  56:823-830. 1992
  • FERTILIZER-NITROGEN USE EFFICIENCY OF IRRIGATED WHEAT .2. PARTITIONING EFFICIENCY OF PREPLANT VERSUS LATE-SEASON APPLICATION.  Agronomy Journal.  84:689-694. 1992

• chapter

  • Food 2005

• document

  • Long-term submergence affects the chemical nature of soil organic matter in tropical lowland rice soils..  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 93-GEOC. 1996
  • Studies on grain filling characteristics in' new plant type' rice lines developed in IRRI 1996
  • Innovative nitrogen management strategies for lowland rice systems 1995
  • Long-term experiments and productivity indexes to evaluate the sustainability of cropping systems 1995
  • Yield decline and the nitrogen economy of long-term experiments on continuous, irrigated rice systems in the tropics 1995
  • Transplanting shock in rice 1994
  • Yield potential of transplanted and direct wet-seeded rice in high-yield environments in the Philippines 1994
  • ELUCIDATING THE ROLE CYTOKININS PLAY IN THE CONTROL OF RICE GRAIN DEVELOPMENT.  Plant Physiology. 61-61. 1993
  • Extrapolating trends from long-term experiments to farmers fields: the case of irrigated rice systems in Asia 1993

• editorial article

  • Evaluating conservation agriculture for small-scale farmers in Sub-Saharan Africa and South Asia.  AGRICULTURE ECOSYSTEMS & ENVIRONMENT.  187:1-10. 2014

• hide from search

  • Nitrogen uptake, fixation and response to fertilizer N in soybeans: A review.  Field Crops Research. 1-13. 2008
  • Curiosities, nonsense, non-science and SRI.  Field Crops Research. 355-356. 2005
  • Management of phosphorus, potassium, and sulfur in intensive, irrigated lowland rice.  Field Crops Research. 113-138. 1998

• review

  • Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems.  Field Crops Research. 7-39. 1998