What changes in algriculture took place in Europe in the Twelfth century?

In the Twelfth century, Europe experienced significant agricultural changes, including the expansion of the three-field system, which improved crop rotation and soil fertility. The introduction of new tools, such as the heavy plow and the horse collar, increased efficiency in farming. Additionally, improved techniques in land drainage and the use of legumes contributed to higher yields, supporting population growth and the rise of towns and trade. These innovations marked a shift towards more productive and sustainable agricultural practices in medieval Europe.