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XiteBio / 22.01.2014

[caption id="attachment_644" align="alignright" width="273"] A "debit/credit" system developed by soil scientist Rigas Karamanos calculates that Canadian Prairie soils went down approximately 30 lb/ac of nitrogen in 2013 as a result of record breaking yields.[/caption] 2013 brought big yields to farmers across the Canadian Prairies. By the end of the year, grain bins were almost literally bursting at the seams. Some farms had such high outputs that they were unable to find storage for their entire crop, and were forced to simply store it on the ground. High yields are...

XiteBio / 28.11.2013

Many changes in the environment are easily noticed as seasons move from one to the next, though some are less noticeable than others. Just as life above ground has to adapt to changing weather, so does life below ground. Here is a summary, released by the University of Minnesota, of how soil organisms alter their behavior throughout the year: Spring: Soil tillage brings warming air and crop residues for food below the surface, which begins a high level of activity. Organisms start to release nutrients, heat and carbon dioxide into the soil Summer:...

XiteBio / 29.10.2013

Soils that contain high salt content are a critical problem for agriculture in many parts of the world. Saline soils are a major stress on plants, and also limit the growth of beneficial soil bacteria. Salt also inhibits nodulation for those plants that depend on it for nitrogen. Recently in the country of Uzbekistan, A researcher named Dilfuza Egamberdieva discovered several strains of bacteria that can not only survive in saline soils, but also have properties that help boost plant growth. These salt-resistant bacteria have the ability to directly...

XiteBio / 29.08.2013

[caption id="attachment_606" align="alignright" width="300"] To survive long-term, rhizobia must learn to fight for valuable resources. This can have a negative impact on their ability for future nitrogen fixation.[/caption] One reason why many farmers do not inoculate their soybeans is because they feel that their fields already have high numbers of rhizobia that inoculating isn’t worth it. They feel that the rhizobia population has been built up sufficiently over years of soybean inoculation that enough are already present to provide adequate root nodulation. While it is true that rhizobia levels...