Why calcium hydroxide and ammounium sulphate cannot be added together surrounded by the soil?
Answers: Many fertilizer salts become insoluable within water when they are mixed within concentration. Others get gaseous and are lost to the atmosphere resembling the ammonium/ nitrates. If your calcium combines with the sulfate you win something like plaster and the ammonium next to the hydroxide will tend to go into the heavens and waste the nitrogen while screw up your pH.