The Branches of Chemistry 1
Chemistry is divided into several 

branches. Let us  now explore some

them. Man has  been using chemistry 

a farming for without knowing. As far back as the middle ages farmers used to leave one of three  idle each year. They did not know the scientific reason why this was a good idea; however, they did know that after a field had lain idle for a year it grew better crops. Modern agricultural chemists  know that a field is left idle, the soil gets water the compound that the ground water compounds that removed the plants then be able to obtain from this field the compounds they need.