Vol. 2 (1) : January-February 2011 issue
Green Farming Vol. 2 (1) : 56-58 (January-February, 2011) (New Series)
Effect of partially and fully decomposed FYM on nitrogen mineralization, carbon loss and available nutrient status of sorghum
K.P. BHOYEa1*, P.G. SHETEb2 and V.S. BAVISKARb3
aDeptt. Soil Science & Agril. Chemistry, bDeptt. of Agronomy, K. K. Wagh College of Agriculture, Saraswatinagar, Panchawati Nashik - 03 (Maharashtra)
Designation : 1,2,3Assistant professor *Correspondence
Subject : Soil Science & Agric. Chemistry; Soil Health & Soil Conservation Engg.
Paper No. :
Total Pages : 3
Received :
Revised accepted :
First Page
Citation :
K.P. BHOYE, P.G. SHETE and V.S. BAVISKAR. 2011. Effect of partially and fully decomposed FYM on nitrogen mineralization, carbon loss and available nutrient status of sorghum. Green Farming Vol. 2 (1) : 56-58 (January-February, 2011) (New Series)
ABSTRACT
The post culture study was conducted on, Effect of partially and fully decomposed FYM on nitrogen mineralization, carbon loss and available nutrient status of sorghum during 2007-08. Seasonwise (at beginning of winter, end of winter and at mid summer) soil samples were collected, processed and analyzed for nitrate-N and ammonical-N, carbon loss and available nutrient status. The result revealed that the concentration of nitrate-N was maximum at mid summer and ammonical-N was at beginning of winter. The maximum ammonical-N at beginning of winter because at that time the crop was harvested and fresh organic residue was remaining in field. The higher nitrate-N at mid summer showed the complete mineralization of organic matter and hence ammonical-N and nitrate-N were maximum in respective season. The significantly maximum nitrate-N was recorded in all the three season due to addition of 10 tonne fully decomposed FYM with RDF over all other combination. It indicates the maximum availability of nitrogen to arable crop like sorghum, which absorbed mostly nitrate form of nitrogen.
The result further reported that the content of organic-C and total-N was significantly maximum where 10 tonne fully decomposed FYM with chemical fertilizers was added similarly the available NPK status improved slightly at end of winter and slight increase or decrease end at mid summer was recorded over at beginning of winter was observed. The addition of FYM either fully or partially decomposed with or without chemical fertilizers recorded slight improvement in fertility status of soil over its initial status.
Key words :
Farm yard manure, inorganic fertilizer, sorghum.
