1 Number retired by Cubs in 2003. 2  Played in 2,102 game at third base for the Cubs from 1960-73. 3  Was the Cubs' WGN radio color commentator from 1990 - 2010. 4  Santo was a nine-time All-Star.
The fresh aroma after a summer downpour is one of life's pleasing scents. The earthy fragrance was named petrichor by Australian researchers in 1964. They described it as a combination of plant oils and the chemical compound geosmin which are released from the soil when it rains.
Sources. Fertilizer pollution is harder to regulate and reduce than many other kinds of water pollution because it is a type of nonpoint source pollution. A point source -- which comes from one definable location, such as a factory -- is easier to track.But fertilizers are used on private lawns, in agricultural fields and on golf courses. Manure contains high levels of nitrogen and phosphorus and causes the same ecological problems as artificial fertilizers. point source -- which comes from one definable location, such as a factory -- is easier to track. But fertilizers are used on private lawns, in agricultural fields and on golf courses. Manure contains high levels of nitrogen and phosphorus and causes the same ecological problems as artificial fertilizers.