The correct option is C Crop rotation
Cropping pattern refers to the proportion of land under cultivation of different crops at different points of time. This indicates the time and arrangement of crops in a particular land area.
In India, the cropping pattern is determined by rainfall, temperature, climate, technology and soil type.
In order to obtain maximum yields, different patterns of cropping are practised. The major cropping patterns include mixed cropping,inter-cropping and crop rotation.