Some indications are being obtained of the impacts of sure exploitation regimes on the structure and variety of populations. However, probably the most appropriate measure of genetic variety is problematic. Common-garden experiments, nevertheless, while they can reveal much, will usually need to be complemented by ecophysiological studies.
Plantation agriculture is considered one of the social penalties of the capitalist economy. This agricultural system has developed in all the regions of the world the place the country has been controlled under foreign rule in the recent past. For example, tea plantations had been introduced in India beneath British rule, and low was cultivated in Brazil at the initiative of people from Italy & .