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ProCrop |
Fertilizer Recommendations
| Yield Goals lbs/A | Total N Recommended | P2O5 and K2O |
| 800 | 50 lbs/a | In addition to nitrogen, mustard on many fields will respond to 15-20 lb/A P2O5 and 5-10 lb/A K2O |
| 1200 | 80 lbs/a | |
| 1600 | 105 lbs/a | |
| 2000 | 130 lbs/a |
Note: More than 6 lb/A of Nitrogen or 18 lb/A of P2O5 added with the seed may reduce stands. For example: Maximum 50 lbs. of 11-48-0, 25 lbs. of 23-23-0. Broadcast remainder of fertilizer needs. A soil test should be obtained for a proper assessment of fertilizer nutrients. Sulphur deficiency may occur in many soils with low organic matter and or in a soil with a coarse textured subsoil that allows leaching to readily occur. A soil test is recommended to establish the available sulphur status of fields but they do not currently reliably indicate plant response. In areas suspected to be very low in sulphur, an application of 20 lbs per acre of sulphur will alleviate deficiency symptoms. Mustard requires approximately twice the amount of sulphur that cereals do. A minor sulphur deficiency is usually not detected visually but can result in significant yield reductions. Major sulphur deficiency symptoms are most visible on the newest leaves and start with yellowing. Leaves showing more severe deficiency symptoms may be cupped shaped with purple coloration of the leaves. Mustard yields are much lower than Canola in ND conditions and sulphur deficiency has not been noted in past years in ND. Manitoba has noted sulphur problems in some fields over the years of Mustard production in the province. For more information see NDSU circular S-F-7.
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