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Will Cold Temperatures Reduce Pest Populations?

February 7, 2014 | Posted in Crop Protection
Source: By John Tooker, Penn State Extension
The cold winter has prompted farmers to ask what the influence of these temperatures might be on insect and slug populations. Hard winters will knock back some pest species, but it's difficult to generalize, and the influence of cold winter temperatures on the majority of crop pests is not very predictable.
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Determining Winter Wheat Injury, Survival

February 7, 2014 | Posted in No-Till Farming 101
Source: By Robert Klein, University of Nebraska-Lincoln
Winter wheat varieties vary in their tolerance to winter hardiness or injury. Many of the winter wheat varieties that do not have as much tolerance to cold temperatures were able to survive the recent winters with milder temperatures.
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Identifying And Responding To Soybean Inoculation Failures

February 7, 2014 | Posted in Nutrient Management
Source: By Mike Staton, Michigan State University Extension
Soybeans obtain up to 70% of their total nitrogen requirement from biological nitrogen fixation conducted by Rhizobia bacteria colonies (nodules) living on soybean roots. If the nodules fail to form, the plants will become deficient in nitrogen and significant yield reductions can occur.
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Beneficial Insects, Nematodes Unharmed By GM Crops

February 4, 2014 | Posted in Crop Protection
Source: Entomological Society of America
A large body of literature has shown that genetically-modified plants that produce proteins from the bacterium Bacillus thuringiensis (Bt) to protect themselves from insect pests have little to no effect on a wide range of nontarget insects. However, concerns about Bt crops still exist.
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No-Till Soybean Fields Give Birds Foothold In Illinois

February 3, 2014 | Posted in No-Till Farming 101
Source: By Diana Yates, Life Sciences Editor, University of Illinois
Researchers report in a new study that several bird species some of them relatively rare are making extensive use of soybean fields in Illinois. The team found significantly more birds and a greater diversity of bird species nesting, roosting and feeding in no-till soybean fields than in tilled fields.
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