paadap poshan

paadap poshan (Plant Nutrition) ke antargat paadapon ke vikaas ke liye aavashyak raasaayanik tattvon evam yaugikon ka adhyayan kiya jaata hai.

satrah (17) atyaavashyak paadap-poshak tatv hain. kaarban, aakseejan, tatha jal ke alaava nimnalikhit khanij tattv aavashyak hain-

inhein bhi dekhein

baahari kadiyaaain