It's not feasible to contact every member of the population, so only a sample, or a subset, of that population is included when conducting statistical research. The assumption is that the sample is ...
Manure has always been a valuable input to agricultural soils in our region. The value of manure has increased significantly in the last few years as the cost of commercial fertilizers has climbed to ...
Manure has always been a valuable input to agricultural soils in our region. The value of manure has increased significantly in the last few years as the cost of commercial fertilizers has climbed to ...
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