Clackers cereal Clackers cereal Clackers was the name of a breakfast cereal that the General Mills Corporation manufactured and marketed from 1968 to 1973. Noted primarily for being promoted through TV commercials in which a box of the cereal would suddenly appear and interrupt some other activity, Clackers was a wheat-based breakfast cereal whose flavor was intended to be similar to that of graham crackers. Each individual piece of the cereal was almost large enough to fit onto a teaspoon, and the shape of a typical piece resembled a small gear with a hole in the center. Pre-sweetened, promoted as being nutritious,
Cover crop recycle soil nitrogen already present. The catch crops take up surplus nitrogen remaining from fertilization of the previous crop, preventing it from being lost through leaching (Morgan et al. 1942), or gaseous denitrification or volatilization (Thorup-Kristensen et al. 2003). Catch crops are typically fast-growing annual cereal species adapted to scavenge available nitrogen efficiently from the soil (Ditsch and Alley 1991). The nitrogen tied up in catch crop biomass is released back into the soil once the catch crop is incorporated as a green manure or otherwise begins to decompose. An example of green manure use comes from Nigeria, where the