112477
Description
Mind Map by labradorlass, updated more than 1 year ago
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Created by labradorlass
over 11 years ago
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General
Nutrient
Principles
- soil supply + fert
- plant nutrient requirement
- plant nutrient requirement
- crop requirement - soil supply
- fert required
- fert required
- potential yield x nutrient content
- crop requirement
- crop requirement
- 80% of OSR received
sulphur last year
- E-on state that
desulphurisation
towers reduce SO2
emissions by 92%
- hence reduce natural soil levels
- hence reduce natural soil levels
- E-on state that
desulphurisation
towers reduce SO2
emissions by 92%
- RB209 not enforced but states best practice
- assess crop requirements
- assess nutrient supply from soil
- every 4 years
- SNS annually
- allow for nutrients from FYM
- every 4 years
- only apply what is needed
- ensure nutrient losses are minimised
- lost profit
- more pollution
- lost profit
- difference between
maximum and optimum
- FACTS
- learn RB209
- FQA - professionally liable
- learn RB209
- sustainable use directive
- Fert use survey every march
- British Survey of Fertiliser practice 2011
- Approx 100kg/ha of N
- N use in grass
has decreased
- economic
- more efficient
- area reduction
- increase in
manure use
- economic
- N use in grass
has decreased
- P and K decrease
- on grassland
and arable
- on grassland
and arable
- British Survey of Fertiliser practice 2011
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