High yielding varities of seeds are used in ____________. 

The production of vegetables for sale in the market is called __________. 

___________ is one in which the farming areas consume all, or nearly so, of the products locally grown. 

_____________ has been developed to meet the needs of industrial cities. 

___________ is very large in size. 

___________ are efficient and scientific methods of farming. 

There are _______ types of intensive subsistence agriculture. 

___________ is known as pastoral nomadism. 

__________ has been developed to meet the needs of the people living in urban areas. 

___________ is associated with three important regions.