Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Ditch system of planting is common planting system in Diara land cultivation of cucurbitaceous crops.
Reason (R) : To manage the availability of moisture and higher temperature, the trenches are dug in North-West direction.
In light of the above statements, choose the most appropriate answer from the options given below: