OMAFRA Field Crop Report – August 6, 2020

There are currently three key topics for forage production: nitrates, potato leafhopper, and planting annual forages for fall production. Nitrate poisoning of livestock is a risk in a dry year In a dry year, high nitrate levels in forages are a concern. Fast-growing grass species, such as corn, sorghum-sudangrass, and cereals are most likely to […]

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Crop Report – August 1, 2019

Nitrates in Silage Fast-growing crops can accumulate nitrates under dry weather conditions. This is most common in corn, but sorghums, sudangrass, millets, cereals, and Italian ryegrass can all accumulate high levels of nitrates and potentially cause nitrate poisoning in livestock.    Why are high nitrate levels a problem? Nitrates (NO3-N) are converted to nitrites (NO2-N) […]

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Ontario Field Crop Report, June 21, 2018: Sulphur response in Ontario’s field crops

sulphur; deficiency; wheat; sandy loam

Sulphur (S) had been a neglected nutrient in Ontario for many years. For decades, in much of Ontario, sulphur came in significant quantities from the sky – deposited from emissions from industrial activity. Even before that, impurities in fertilizers and more widespread application of manure helped ensure a regular addition of sulphur to our soils. […]

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