1. pre agro - Management system for site specific crop production - to increase the profitability of agriculture and to enhance the benefits for the environment -

2. actual situation of the crop stand harvest N 3 sowing specific planning of crop stand management site characterization soil, relief, water, climatic conditions derivingyield potential general planning of crop management crop species, variety, quality-goals plant growth regulators fungicides N 2 N 1 herbicides verification of measures Information flow for site specific management of winter wheat according pre agro

3. Intentions of the German joint R+D-project pre agro for site specific crop management

4. Basic research concept of pre agro for developing management systems in precision agriculture

5. Thumby Kassow Twülpstedt Baasdorf Raguhn Landshut Zeilitzheim Raesfeld Research sites from pre agro on farms in Germany (about 50 fields with almost 3.000 ha under direct scientific observation)

6. 2000 20012002 W ? ? ? ? ? ? WW =winter-wheat ? =crop species according to crop rotation on the farm Timing pattern of subsequent fields on farms in pre agro where management rules for winter wheat in precision agriculture are applied and verified

7. Examples of research activities and data collection in the project pre agro on farms in Germany - additional experiments (fertilisation strategies N, P, K, lime) -

8. Examples of research activities and data collection in the project pre agro on farms in Germany - aerial photographs -

9. Examples of research activities and data collection in the project pre agro on farms in Germany - Electromagnetic Soil Mapping System (ECa) -

10. Examples of research activities and data collection in the project pre agro on farms in Germany -landscape, terrain or elevation models –

11. Examples of research activities and data collection in the project pre agro on farms in Germany - near infrared video-photography -

12. Examples of research activities and data collection in the project pre agro on farms in Germany - yield mapping -

13. Cumulative probabilities for yield of winter wheat for soil profiles of an arable field at Baasdorf (30 years: 1967-97)

14. Examples of research activities and data collection in the project pre agro on farms in Germany - algorithms to derive management measures: P-, K-fertilisation -

15. Examples of research activities and data collection in the project pre agro on farms in Germany - decision support modules for prec ag software - CLOSE germinability90 % thousand kernel weight 50 g Rainfall750 mm/ a variety sowing depth seed-bed quality previous crop yield correction 0 dt/ha REPORT soil moisture at sowing date soil-seed-contact actual sowing date time of field emergence Potential yield of the field 81 dt /ha Average of the soil value number: 49 best sowing time: 15.09- 25.09 region / state Decision support system for sowing of winter-wheat (pre agro) normal (3-5 cm) good best date Alidos E < = 10 days middle good legume CALCULATE

16. Examples of research activities and data collection in the project pre agro on farms in Germany - application – maps (diff. sowing rate for corn) -

17. Examples of research activities and data collection in the project pre agro on farms in Germany - regional modelling the impact of prec. ag. onto matter flow -

18. Examples of research activities and data collection in the project pre agro on farms in Germany - economic feasibility - costs for soil sampling differentiated P-/K-fertilisation according soil information site differentiated nitrogen- fertiliser application yield mapping gross margins of sub-units scenario-studies: farm income = f(constraints) information base

19. Examples of research activities and data collection in the project pre agro on farms in Germany - transborder-farming (virtual land consolidation) -

20. Contents of the pre agro, German joint R-D-project for site specific management

21. Sample screen of selection menus from premis, the internal project information system of pre agro

22. General characteristics of the German joint R+D project pre agro for site specific crop management

23. Project partners in pre agro, German joint R-D-project for site specific management

24. visit us: www.preagro.de Interdisciplinary, joint research project in Germany on precision agriculture supported by the German Ministry of Education and Research, Bonn