Effect of Phytase and Farm Yard Manure on Growth, Nutrient Uptake and Yield of Soybean in Non-Calcareous Soil

Abstract

A pot culture experiment was conducted during Kharif -2014 at Division of Soil Science and Agricultural Chemistry, College of Agriculture, Pune to assess the effect of phytase and FYM levels on growth, nutrient uptake and yield of soybean in non-calcareous soil. The treatment consisted of four levels of each phytase (0, 1200, 2400 and 3600 IU) and FYM (0, 2.5, 5, 7.5 t ha-1) replicated thrice in factorial randomized block design. Growth attributes (viz., plant height, root length, root shoot ratio, fresh and dry weight of roots, number and weight of root nodules), plant dry matter accumulation were studied at 50% flowering of soybean. Further, grain and straw yield along with nutrient uptake were also studied at harvest of soybean. Application of phytase @ 3600 IU or FYM @ 7.5 t ha-1 or their combine application reported significantly higher plant height, root length, root shoot ratio, fresh and dry weight of roots, number and weight of root nodules than rest of the treatment at 50 % flowering of soybean. Significantly higher mean straw yield was recorded with the application of phytase @ 3600 IU (12.86 and 14.31 g pot-1) at 50 % flowering and at harvest. Significantly higher grain and straw yield was recorded with the application of phytase @ 3600 IU (17.34 and 14.31 g pot-1) which was statistically at par with phytase @ 2400 IU (17.28 and 13.74 g pot-1). Combine application of phytase @ 3600 IU along with FYM @ 7.5 t ha-1 recorded significantly higher nitrogen (643.93 and 801.95 mg pot-1), phosphorus (82.89 and 128.08 mg pot-1) and potassium (354.75 and 114.72 mg pot-1) uptake was recorded with the application of phytase @ 3600 IU at 50 % flowering and at harvest of soybean respectively.