Ferilization of eroded soils – some preliminary research findings and hypothesis
Date
1985-02-19
Authors
Hamm, J.W.
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Recent and on-going research has improved our understanding of organic matter and nutrient redistribution within the landscape pattern of internally drained systems. Considerable progress has been made in the areas of pedological classification and the quantification of erosional and depositional changes in top soil. However, the soil fertility and agronomic aspects relative to correcting or compensating for erosional influences on crop productivity, remain relatively unknown and unresearched. This paper address the complex question of correcting and/or compensating for erosion, given current economics and technology. An historical overview of soil fertility and fertilization technology relative to spatial variability within fields is given. A technology intensive option enabling annual compensation for erosion by differential fertilization is presented along with the changes in fertility diagnostic services and research required.
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Soils and Crops Workshop