Sample turnaround time varies between 24 hrs and two weeks depending on the viruses you wish to test for. The staff of the Clinic is also trained in the detection of viral inclusions. Review the entire province or just your specific region. Doug Young, University Of Guelph, Ridgetown College Seed placed fertilizer is now common practice, especially since some crops experience positive yield responses with seed applied phosphorus. However, as with everything, you can have too much of a good thing.
Most seed placed fertilizer can reduce or delay germination, or retard growth of crops.
Crop injury will vary depending on source and rate of fertilizer, the crop fertilizer is applied to, and weather conditions after planting. Dry conditions increase injury because fertilizer will remain in a concentrated band in the seed trench. One final caution, fertilizers which contain the micronutrients boron, copper, iron, manganese and zinc are more toxic, and the safe rates recommended will be lower than those shown in Table 2 - Maximum Safe Rates Of Nutrients. Diammonium phosphate or urea should not be applied with the seed of corn. If more than 55 kg nitrogen per hectare is banded, the band should be at least 15 cm from the seed.