In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. 

Organic agriculture offers a means to substitute costlier agricultural inputs such as HYV seeds, chemical fertilisers and pesticides with locally produced organic inputs that are cheaper and thereby generate good returns on ______1______. Organic agriculture also generates income through exports as the demand for organically grown crops is on a _____2___. Studies across countries have shown that organically grown food has more nutritional value than chemical farming, thus providing us with healthy foods. Since organic farming requires more labour input than ____3___ farming, India will find organic farming an attractive______4____. Finally, the produce is pesticide-free and produced in an environmentally ____5____ way.