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Manitoba Agriculture, Food and Rural Initiatives

May 2007

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Fertilizer Guidelines for Soil Tests
Manitoba soil fertility guide image

The following recommendation tables listed in the Appendix should be used as a guide to fertilization rates. These guidelines are not intended to supercede provincial laws or to serve as application limits.

The guidelines in the following tables have been based on field research in Manitoba. Some guidelines have not been revised since 1990 due to lack of supporting field data. Development of new or validation of existing nitrogen guidelines have been done since 2000 for winter wheat, oats, flax, corn, dry beans, potatoes and forage grasses. Revisions are under development for spring wheat, barley and canola.

Nitrogen recommendations
 (based on spring broadcast application)

Field Crops

Micronutrient

appendix table 1

appendix table 2
 

appendix table 3

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appendix table 4

appendix table 5

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appendix table 6

appendix table 7

appendix table 8

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appendix table 9

appendix table 10

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appendix table 11

appendix table 12

appendix table 13

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appendix table 14

appendix table 15

appendix table 16

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appendix table 17

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appendix table 18

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appendix table 19

appendix table 20

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Appendix table 21

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| Introduction | Nitrogen | Phosphorus | Potassium | Sulphur | Micronutrients | The Fertilizer Act and Quality Standards | Calculating Fertilizer Rates from Nutrient Recommendations | Fall/Spring Fertilizer Price Differences | Common Fertilizers and Their Characteristics | Fertilizer Recommendation Guidelines | Manure | Nitrogen Fixation | Soil pH and Salinity | Nutrient Management Plans | Manitoba Fertilizer Recommendation Guidelines Based on Soil Tests | Fertilizer Guidelines for Soil Tests | Developing Fertilizer Recommendations without a Soil Test | Developing a Fertilizer Recommendation Rate| Agronomically, Economically and Environmentally Sensible Target Yields |General Fertilizer Recommendations Without a Soil Test | References |

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