... , Reader Ms. Jennifer Halpin, Reader May 12, 2015 Abstract: The weeds that are present in the landscape ...
... quality (Penn State Extension, 2015). Crop rotation is the planned order of specific crops in the same ...
... production field through which disease and pest insects can be controlled (Penn State Extension, 2015). The ...
... collected in the fall of 2014 in the spring of 2015. At each sample site, I determined which species had the ...