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Explore How Starting at the Soil Can Strengthen Production at Dudley Smith Farm Field Day

 By Jenna Braasch

Soil health and quality play a significant role in the nutritional value of pastures and cover crops, determining grazing strategies and sustainability. Attending the University of Illinois Extension Dudley Smith Farm Field Day this summer will help producers break down soil components impacting quality, explore research findings, and leave with options to employ better soil health changes in their cattle, pasture, and farming operations.

Dudley Smith Farm is where tradition drives sustainable agriculture practice into the future through hands-on research opportunities. Attendees can look forward to hearing industry updates and application examples on-site at the upcoming field day beginning at 9:30 a.m. on Thursday, June 20, at the research center at 2200 E. 600 North Rd., off Route 29 between Taylorville and Pana in Christian County. A free lunch is provided.

Field day presentation topics include:

•    Explore management programs to reduce N and P runoff in cropping plans.
•    Discover cover crops in livestock and cropping programs.
•    Updates on P and K recommendations for field crops in Illinois.
•    Look at the history of soil testing results for Illinois.
•    Transition from a family farm to a farm-to-plate operation.
•    Explore grazing strategies for beef producers. 
•    Discuss related crop sciences research findings from University of Illinois Urbana-Champaign.

There is also the opportunity for a farm tour of field cropping systems and the beef paddocks to conclude the day. There is no cost to attend the field day. Advance registration by June 17 is required to receive lunch. Check out the full agenda, speakers, and registration at go.illinois.edu/DSFFieldDay24.

Source : illinois.edu

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Wheat Yields in USA and China Threatened by Heat Waves Breaking Enzymes

Video: Wheat Yields in USA and China Threatened by Heat Waves Breaking Enzymes

A new peer reviewed study looks at the generally unrecognized risk of heat waves surpassing the threshold for enzyme damage in wheat.

Most studies that look at crop failure in the main food growing regions (breadbaskets of the planet) look at temperatures and droughts in the historical records to assess present day risk. Since the climate system has changed, these historical based risk analysis studies underestimate the present-day risks.

What this new research study does is generate an ensemble of plausible scenarios for the present climate in terms of temperatures and precipitation, and looks at how many of these plausible scenarios exceed the enzyme-breaking temperature of 32.8 C for wheat, and exceed the high stress yield reducing temperature of 27.8 C for wheat. Also, the study considers the possibility of a compounded failure with heat waves in both regions simultaneously, this greatly reducing global wheat supply and causing severe shortages.

Results show that the likelihood (risk) of wheat crop failure with a one-in-hundred likelihood in 1981 has in today’s climate become increased by 16x in the USA winter wheat crop (to one-in-six) and by 6x in northeast China (to one-in-sixteen).

The risks determined in this new paper are much greater than that obtained in previous work that determines risk by analyzing historical climate patterns.

Clearly, since the climate system is rapidly changing, we cannot assume stationarity and calculate risk probabilities like we did traditionally before.

We are essentially on a new planet, with a new climate regime, and have to understand that everything is different now.