Seed propagated crops

In economics, base period (reference period) refers to the point in time used as a reference point or the basis for an index number, for comparison with other periods.

As the name suggests, agricultural practices that are done under strict supervision of variable aspect of the cultivation are for better growth and productivity of crops is known as precision agriculture. It is also called precision farming.

Sand culture is one of the soil-less agriculture practices where the plants are grown on inorganic media (gravel, sand) or organic media (saw dust, coconut coir dust) . The nutrients required by the plants are given through nutrient solutions.