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This marsh undergoes the most dramatic changes in water chemistry during the year
Our results show that nutrient loading in transported sediments is highest at the beginning of the winter rainy season for N03, NH4, and labile P. We did not collect samples from sediment fans deposited after the initial rain events of the season . But based on these numbers from slightly later in the season, we hypothesize…
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Clayey soils appeared to be the least sensitive to seasonality
However, according to Earl , the two concepts are not independent of each other, meaning if a soil is deemed workable, then it is also assumed trafficable. Since critical soil moisture thresholds for both trafficability and work ability are generally recognized to be just below field capacity , differences in PET and soil texture are expected to…
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On-farm mechanization was closely tied to inventive efforts of local mechanics
Employment of state-of-the-art feed lots and modern science and veterinary medicine along with favorable climatic conditions allowed ranchers in California and Arizona to achieve significant efficiencies in converting feed to cattle weight. In the 1960s, larger commercial feedlots started to become more prevalent in the Southwest and in the Corn Belt.Thus, as in other cases,…