Horse racing and polo are events where horses are used for

The construction of rural feeder roads solves the following access problems in agriculture except

The diagram above illustrates a farm tool. Use it to answer this question.
 

The illustrated farm tool is used for

The diagram below illustrates a farm tool. Use it to answer this question.

The farm implement that could perform a similar function as the illustrated tool is

A tractor-mounted sprayer used on large scale farms is the