Performance of different percentage of urea as foliar fertilizer on growth and development of rice (Rabi dhan1)

Abstract

Nitrogen can dramatically stimulate plant productivity as well as yield potential of intensified
agriculture system. The unavailability of Nitrogen fertilizer specially urea during critical period
(sowing season, drought, flood.) hamper the rice production. It is noticed in literature that the
effectiveness of nitrogen fertilizer increased if it is applied in plants through foliage along with
soil application. Present research work was planned to evaluate this theme so that the loss of yield
due to unavailability of urea can be reduced by foliar application at various growth stagesof rice.
A research work was conducted to examine the “Performance of different percentage of urea as
foliar fertilizer on growth and development of rice (Rabi dhan 1).” at the Agronomy and
Agricultural extension Department Field, University of Rajshahi, Bangladesh from December
2022-May 2023. Rabi Dhan-1 rice variety with six different percentage of urea as foliar application
were used for this experiment. 1. T1= N0% Control, 2. T2= 65% of recommended dose (N 50% as
SA + 15% as FA), 3. T3= 70% of recommended dose (N50% as SA + 20% as FA), 4. T4= 75% of
recommended dose (N50 % as SA + 25 % as FA), 5. T5= 80% ofrecommended dose (N60% as
SA + 20% as FA) , 6. T6= N100% Soil application (Traditional practice). The experiment was laid
out in a randomized complete block design with threereplications. The significant effect of liquid
fertilizer was found on almost all the parameters under studied. All the phenological and growth
parameters showed the highest performance in T4
= 75% of recommended dose (N50 % as SA+ 25 % as FA) and lowest in T1= N0% Control. The
result showed that the phenological characters like plant height, total number of tiller hill1 was
highest inT4 while the lowest was in T1. Plant height was increased with the increase of the age
of plants. Chlorophyll content increased slowly at the early stage of crop growth and later declined.
All the yield contributing characters like plant height, total number of tiller hill1
, effective tiller
hill1
, panicle length, number of grains panicle1
, number of filled grain panicle1
,1000 grain weight and grain yield were varied significantly due to different doses of fertilizer application.