Generally, fertilizer prices are lower in fall than in spring. Producers should take these price differences into consideration when planning their fertilizer program. Another factor to consider if purchasing in the fall is the interest and storage cost for carrying over to spring. Table 15 summarizes the provincial average price comparisons between fall and spring for the major phosphorus and nitrogen fertilizer products.

| 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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