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Development of decision making bases for the optimised variable rate application of fertilizers
Project
Project code: JKI-PB-08-0044
Contract period: 01.01.2008
- 31.12.2018
Purpose of research: Applied research
Sustainable farming systems require soil fertility status to be maintained at a level that supports satisfactory plant growth while minimising nutrient loss to the environment. Because soils within farmed landscapes are heterogeneous, the amount of nutrients required to support optimal plant growth will differ in relation to soil type, the soil?s nutrient status, the crops´ growth potential within the various landscape zones, and time of nutrient application in relation to plant growth stage. Fertiliser application rates could also possibly be determined politically by environmental regulation. Site specific nutrient management (SSNM) a major component of Precision Agriculture and relates to the differential management of soil nutrients between landscape zones. Particularly challenging is the development of sound fertilizer plans for compound fertilizers, organic fertilizers and secondary raw material products is the fact that they contain different nutrients in varying concentrations.
Section overview
Subjects
- Plant Nutrition
- Soil science
