Answer to Question 1
This is a very open-ended question. The design of an example calendar will depend on the location it is being developed for.
Answer to Question 2
This is a potentially confusing question for many students. The question presents more information than is needed to answer it. The amount of fertilizer required to cover 1000 sq. ft. is a separate calibration question. The student just needs to indicate how much of the 16-4-9 grade fertilizer the equivalent of one pound of nitrogen is. First, you convert the percentage of nitrogen to a decimal (0.16). Then divide 1 by the percent nitrogen