EXERCISE LII. 



ILLUSTRATIONS OF FARM PLANS AND CROP ROTATION. 



INTRODUCTION. While studying farm plans and crop rotation it will be well to keep 

 in mind the following points: _ 



1. Simple rotations with few fields are preferable to complicated rotations and a large num- 

 ber of fields. 



2. If stock and crop production are to be kept about the same from year to year, it is 

 important in laying out the farm for rotations, to make the fields about equal in size. 



3. Location of fields relative to the farmstead should be such that there will be little loss 

 of time in going to and from the field. 



4. To avoid unnecessary social isolation the farmstead should be located near the highway. 



Fig. 98. Plan A. Fig. 99. Plan B. 



DIRECTIONS. 1. Let Plan B represent the rearrangement of the poorly arranged farm 

 as illustrated by Plan A. Reproduce the above diagrams on separate sheets of graph paper, 

 using as a scale one millimeter to the rod.* 



2. (a) State the dimensions of the farm in rods. 



(b) Its size in acres. 



(c) This farm is what part of a section? 



(d) How many rods are there in a mile? 



(e) How many acres are there in a section? 



3. State the dimensions of each field (Plans A and B) in rods. Also state the size of 

 each field in acres. 



4. (a) Compare the number of rods of fence required in Plan A with the number 

 required in Plan B. (b) In which plan is the farmstead more favorably located with refer- 

 ence to fields? (c) Compare the labor required to plow field 1, 3. 6, or 8. Plan A. with the 

 labor required to plow any field in Plan B. 



5. Plan B shows the crop on each field during the year 1912. Write on the plan the proper 

 arrangement of crops for 1913, 1914, 1915, 1916. 



6. Re-draw Plan B with no more change than is necessary in placing the farmstead at the 

 middle of the east side. Show on the plan the crops raised in each field during a five-year 

 period. What advantage is gained by this arrangement? What disadvantage appears? 



'Plans A and B are merely suggestive; — no attempt being made to give true proportions, 

 however, given to allow the student to calculate . the true dimensions. 



183 



Sufficient data is, 



