Author(s):

Nazim Ali, Debashis Roy, DS Sahu, Ahmad Fahim, Ajit Kumar, Deepak Singh and Raj Kumar

Abstract: A study was conducted to find out the macro and micro-minerals status in of different dry and green fodder farm condition in Meerut district of Uttar Pradesh. Total five types of crop residues and fodder samples were collected. For estimation of copper (Cu), zinc (Zn) and manganese (Mn), 2.0 g of each samples was digested with the help of tri-acid mixture (nitric acid: sulphuric acid: perchloric acid in ratio of 3:1:1). It was observed that the highest Ca concentration was present in sorghum fodder followed by maize fodder while lowest was found in wheat straw samples. The phosphorus concentration varied from 0.14 to 0.43 % Sorghum fodder was found the richest. Copper concentration varied a lot among sample as the range varied from 3.92 to 19.46 ppm. The richest Cu source was found to be maize fodder. Zinc concentration varied from 14 to 56.30 ppm and manganese varied from 12.70 to 44.09 ppm. Based on observations, it was inferred that calcium content was found sufficient except in wheat straw and sugarcane top. This may be due to presence of oxalate which binds with calcium. Phosphorus content was also low in wheat straw, sugarcane top and bajra fodder. Cu and Zn content was also found in wheat straw, sugarcane top and bajra fodder. Mn was found deficient in almost all the samples. It may be concluded from the above experimentation that most of the greens and crop residue samples at this region are deficient in micro minerals like copper, zinc and manganese. Phosphorus was also found deficient. Thus animals are required to be supplemented with mineral mixture fortified with phosphorus, copper, zinc and manganese to maintain high productivity.

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