NABARD GR A AGRICULTURE ARD STUDY MATERIAL :NUTRIENTS AND THEIR SOURCES

NABARD GR A AGRICULTURE ARD STUDY MATERIAL


Nutrients  :  Sources 

∗ Nitrogen  : Organic matter 
∗ Phosphorus (P) : Apetite and Al & Fe phosphate 
∗ Potash (K) : Arthoclase, Micas, Feldspar 
∗ Calcium (Ca) : Dolomite, Calcite 
∗ Magnesium (Mg) : Dolomite, Muscovite 
∗ Sulphur (S) : Gypsum, Pyrite, Organic matter 
∗ Iron (Fe) : Pyrite, Magnetite 
∗ Molybdenum (Mo) : Olivine 
∗ Boron (B) : Tourmaline 
∗ Manganese (Mn) : Magnetite

TO BUY STUDY MATERIAL 
WAP 8961215410 FOR DETAILS.

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