11.   George Washington Carver reports the ability of peanuts and sweet potatoes to revitalize exhausted soil fertility.

12.   Improved soil fertility, too, will promote healthier roses that can better fight diseases.

13.   Nutrients from the effluent, meanwhile, do build up, improving soil fertility over time.

14.   Soil fertility has also declined over widespread areas.

15.   That reduces the need for spraying later, saves money and time and lets them use tilling techniques that preserve soil fertility.

16.   The first is to maintain soil fertility.

17.   It has excellent potential in land reclamation projects as it improves soil fertility.

18.   The hay, available in bales at nurseries, decomposes with time and adds to soil fertility.

19.   The government is also seeking to increase the area of arable land, make it easier to farm with machinery and improve soil fertility, Choi said.

20.   However, the MRC spokesman noted that benefits including increased fish stocks, soil fertility and improved biodiversity were also derived from floods.