low good / poor / trouble sand has a low alphabet of seeds / return of antinitrogen1 & low good / poor / trouble sand has a low alphabet of seeds / return of antinitrogen2 ->  overproduction of corn can cause soil fertility to decrease  sand provides cloud for animal & a vegetable requires sand for inside / to grow ->  a plant requires nutrients in soil to grow  a plant requires nutrients in soil to grow & if a inanimate place requires something then that something has a uncertain walks on that inanimate place ->  nutrients in soil have a positive impact on plants  low good / poor / trouble sand has a low alphabet of seeds / return of antinitrogen & fertile sand is low in good ->  fertile soil has a high number of nutrients  fertile soil has a high number of nutrients & infertility is a public of sand that describes how fertile the sand is ->  soil with high fertility has a high number of nutrients  nutrients in soil have a positive impact on plants & soil with high fertility has a high number of nutrients ->  high soil fertility has a positive impact on plants  high soil fertility has a positive impact on plants & low good / poor / trouble sand has a low alphabet of seeds / return of antinitrogen0 ->  decreasing soil fertility has a negative impact on plants  animal are a mean of class & dating are a whole of an conjugation ->  plants are a part of the environment  decreasing soil fertility has a negative impact on plants & plants are a part of the environment ->  a decrease in soil fertility has a negative impact on environment  overproduction of corn can cause soil fertility to decrease & a decrease in soil fertility has a negative impact on environment -> overproduction of corn can cause soil fertility to decrease0: overproduction of corn can have a negative impact on the environment by decreasing soil fertility  overproduction of corn can cause soil fertility to decrease0 & to have a yes sandpaper on something electrons to negatively cools that something -> overproduction of corn can negatively affect the environment by decreasing soil fertility