References
- Heumann , S , Böttcher , J , Ringe , H and Kage , H. Developing an advisory system for N fertilisation of winter wheat at www.ISIP.de: II. Soil- and management-specific simulation of net N mineralisation . Abstract book, 16th N-Workshop . Jun 28–Jul 1 2009 .
- Heumann , S , Böttcher , J and Springob , G. 2002 . N mineralization parameters of sandy arable soils . J Plant Nutr Soil Sci , 165 : 441 – 450 .
- Heumann , S , Böttcher , J and Springob , G. 2003 . Pedotransfer functions for the pool size of slowly mineralizable organic N in sandy arable soils . J Plant Nutr Soil Sci , 166 : 308 – 318 .
- Heumann , S , Ringe , H and Böttcher , J. 2011a . Field-specific simulations of net N mineralization based on digitally available soil and weather data. I. Temperature and soil water dependency of the rate coefficients . Nutr Cycl Agroecosyst , 91 : 219 – 234 .
- Heumann , S , Ringe , H and Böttcher , J. 2011b . Field-specific simulations of net N mineralization based on digitally available soil and weather data. II. Pedotransfer functions for the pool sizes . Nutr Cycl Agroecosyst , 91 : 339 – 350 .
- Meyer-Schatz , F , Ratjen , AM , Kage , H , Heumann , S , Sieling , K and Böttcher , U. Developing an advisory system for N fertilisation of winter wheat at www.isip.de: I. Non-destructive measurement of canopy parameters and simulation modelling . Abstract book, 16th N-Workshop . Jun–Jul 28–1 2009 .
- Schwiede , MR. 2007 . Stickstoffhaushalt und Nitratauswaschung sandiger Böden der semiariden Kalahari, Botswana [dissertation] , Hannover : Leibniz University of Hannover .