Changed 'caterpiller' to 'caterpillar' on page 43: "canker-worm and tent-caterpillar".
Changed 'successfuly' to 'successfully' on page 43: "never successfully combated".
Changed 'Kanses' to 'Kansas' on page 48: "suitable for Kansas".
Changed 'togther' to 'together' on page 48: "two furrows together".
Left 'oak plant sixteen feet long' on page 52, although I suspect the author meant 'plank'.
Changed 'wifh' to 'with' on page 58: "with a knife".
Changed 'occassion' to 'occasion' on page 63: "had no occasion".
Changed 'caterpiller' to 'caterpillar' on page 66: "canker-worm, tent-caterpillar, bud moth".
Removed extra word 'of' on page 67: "amount of water".
Changed 'staight' to 'straight' on page 69: "set them up straight".