EFFECT OF SOWING TIME AND FERTILIZER MANAGEMENT ON GROWTH AND YIELD OF GIMAKALMI F (Ipomoea aquatica Forsk)

Abstract

The study was conducted in the horticulture Ilirni of Sher-e-I3angla Agricultural University. Dhaka. Bangladesh during the period from March to June 2007 to find out the eflèet of sowing time and fertilizer management on the growth and yield of Giniakalmi. The experiment consist of two flictors. Factor A: sowing time, such as 5,: 16 March. S2 : 31 March and S;: 15 April; Factor R: Four levels of fertilizer. such as F0: No fertilizer. F 1 : Cowdung: 15 iJha. (: 2 : Poultry litter: 7 t/ha and F 1: Inorganic fertilizer (urea: 200 kg/ha + TSP: 100 kg/ha+ MP: 100 kg/ha). There were 12(3 < 4) treatment combinations. In case of sowing time the highest yield was obtained from 52. In case of krtilizcr management the highest yield was recorded from (F 3 ). In case of combined effect of various level of sowing time and fertilizer management were also found significant. The highest yield was obtained from the treatment combination of3l march sowing time with inorganic iërtilizer.