To All Soil science Student&Others

Now,The said the Earth crust Consists of Many mineral,Ya
My Question goes like this,How do plant obtain the nutrients found in them,Rice gives carbohydrates,Beans gives protein,Plantain Gives Iron,,All this plants are planted in the Earth,How do the Derive their Nutrients,Am sure that they said the Earth crust consit of Nitrogen,Sulphur,Phosphorus etc Nor of the classes of food was mentioned examples Carbohydrate, Protein,Vitamin,Iron nor the other classes of Food is found in the Earth Crust then How come our Plants gets such Nutrients,Don't Tell that the undergo Processes Just like that without an Explanation,I wont accept that as an ANSWER,
To specify the Question for Confused FAM,is says:HOW DO PLANT/FRUIT/END PRODUCT DERIVE THEIR NUTRIENT FROM,ACCORDING TO THE CLASSES OF FOOD??
What's your view & point!