Complex sentence: Soil conditioners can be used to improve poor soils, or to rebuild soils which have been damaged by improper soil management and made from pressmud, a residue of sugarcane filtration also a by product of it.
Split into simpler sentences: Soil conditioners can be used to improve poor soils, or to rebuild soils which have been damaged by improper soil management. They are made from pressmud, a residue of sugarcane filtration also a by product of it.