Articles by Dan Crummett

Ahead of the Curve

Toyota, GAC Unveil Ammonia-Fueled Internal Combustion Engine

Prototype engine uses high compression, boost and tweaked combustion chambers to run liquid NH3 for a carbon and particulate-free exhaust stream. Will we ever see it on the farm?
If you’ve read this column very long you realize I have an interest in engines of the rotating and reciprocating varieties — those that burn energy-dense fuels and don’t require fuel tanks the size of a submarine.
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No-Till Conditions, Elevated pH May Spur Zinc Deficiency in Corn

Cool, wet conditions & alkaline soils can tag-team seedling corn to affect yields shortly after emergence by hiding & binding the zinc supply. Caught early, applications of zinc can offset damage.
Cooler soil temperatures typically found in no-tilled corn fields, as opposed to nearby conventionally tilled soils can be responsible for zinc deficiency development, especially if the planting season is cooler than normal.
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Sulfur: It Once Fell from the Sky!

Because of regulatory standards set to remove “free” sulfur-dioxide gas from the atmosphere, growers across North America have had to begin adding S to their fertilizer purchases
Over the past 25 years the traditional macronutrient trio, nitrogen (N), phosphorus (P) and potassium (K) has slowly begun to share its NPK analysis shorthand with what has become a fourth “major” crop nutrient — sulfur (S).
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Dan Crummett

Long-term Studies Indicate ‘The More the Merrier’ in Crop Rotations

Studies spanning 60-years of data show farms are more resilient to the vagaries of markets, policy meddling and weather with more diverse crop rotations.
A recent report from USDA’s Agricultural Research Service has some interesting insights on the benefits of crop rotations, but researchers caution the “long view” is needed to fully capitalize on such improvements.
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9 Tips for Preventing Stubble Damage to Tires

Modern farming enjoys improved yields & crop protection through bioscience, but benefits come with expensive tire hazards for no-tillers maneuvering through a maze of stalk spikes
Farmers have been trying to protect their tractor and harvester tires from in-field “road hazards” ever since pneumatic tires began replacing steel wheels in the 1930s.
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