Nutrient Management Plan
A Nutrient Management Plan (NMP) helps growers to make better
and more profitable decisions in crop management. Many consider
that NMP’s deal exclusively with manure use, but manure is
applied to less than 10% of Manitoba acres each year. Nutrient
Management Planning for most Manitoba growers will focus on the
use of fertilizer inputs, with occasional credits for previous
legume crops and manure.
The plan has 10 components, many of which are described in detail
in this guide.
1. Locate facilities and fields on maps. Aerial photos such as
MAFRI’s Agri-Maps are most useful
http://geoapp2.gov.mb.ca/website/ mafri/index3.html
2. Identify environmentally sensitive areas on maps. Note
appropriate buffer distances.
3. Specify crop rotation used by grower
4. Determine expected yields
5. Obtain results of soil, plant, and manure analysis
6. Account for nutrients from additional sources available on the
farm (i.e. N from previous legumes, green manures, etc)
7. Determine nutrient requirements for each field from above
information (using Appendix tables)
8. Make recommendations of nutrient rate, timing, form and method
of application
9. Review and modify plan as needed (based on economics, growing
season conditions, in-season nutrient assessment, etc)
10. Maintain records and complete a nutrient budget (including
nutrient inputs, outputs and soil test changes) |
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