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National Soil Fertility Week - 'Getting the Balance Right'
- 01 February 2012
National Soil Fertility Week - 'Getting the Balance Right'
Objectives
• Planning fertilizer & lime decisions / choices based on the soils pH, P & K status
• To make optimum use of organic manures / fertilizers in meeting crop nutrient requirements and maximizing crop returns
• Optimum fertilizer applications through good quality fertilizers and well maintained & calibrated fertilizer spreaders.
Outline
1. Soil testing & liming
a. Have soil test results for the whole farm
b. Soil analysis & soil pH
c. Maintain soil pH on optimum range
d. Cost benefit
(Local Advisor)
2. Target soil P & K Index
a. Soil P & K national trends
b. Soil P & K indexes
c. Target soil index
d. Effects on productivity – Grain / Grass yields
(David Wall)
3. Optimum use of organic manures
a. Nutrient values of organic manures
b. Timings / method of application
c. Economic value
d. Research finding in grassland & tillage
(Stan Lalor)
4. Balance supply of nutrients
a. Importance of balanced nutrient supply
(Mark Plunkett)
5. Fertilizer spreader application – Accurate application
a. To show the importance of fertilizer spreader maintenance and calibration which is essential to get optimum fertilizer utilization
b. Future & current fertilizer spreader technology e.g. new technology / accuracy –weigh cells, GPS etc
(Tom Ryan)
6. Fertilizer Association of Ireland
Fertilizer types / selection
(FAI, Representative)
