M. A. Razzaque Akanda
Senior Scientific Officer
IWM Division, BARI, Gazipur
M. A. Hossain
Scientific Officer
IWM Division, BARI, Gazipur
Mr. Modan Gopal Saha
Senior Scientific Officer
HRC, BARI, Gazipur
Md. Abdullah
Principal Scientific Officer
IWM Division, BARI, Gazipur
This study was conducted at the guava orchard of IWM Division, BARI, Gazipur to investigate the effectiveness of drip irrigation for off-season production of guava during 2003-2004 and 2004-2005. Although, the saplings were planted in May 2002, it became in first fruiting stage during 2003-2004. The highest off-season yield/tree (7.15 kg) was obtained from treatment T4 irrigated by drip system with 100% pruning of flowers in the main season during 2004-2005. The yield was higher than the last year (2003-2004). However, the yield trends among the treatments for both the years were somewhat similar. But practically, the annual guava yield/tree was higher in T6 irrigated in ring basin method with pruning of 50% of flowers in the main season. The net economic return was also the highest (Tk. 161.38) in treatment T4.
Guava, off-season, Drip irrigation, economic return
IWM Research Field, BARI, Gazipur
Crop-Soil-Water Management
The study was undertaken to investigate the effectiveness of drip irrigation for off-season production of guava.
The study was conducted at guava orchard of IWM research field, BARI, Gazipur. The saplings of BARI Payra-2 were planted on May, 2002. Fertilizers were applied at the rate of 25 kg of cow dung, 400 gm of urea, 350 gm of TSP and 300 gm of MP annually once in October. A common irrigation was done just after fertilizer application. The first off-season production started since September-November, 2003. The experiment was designed with the following treatment combinations;
T1 = Rainfed without pruning of flowers in the main season
T2 = Rainfed with 50% pruning of flowers in the main season
T3 = Drip irrigation with 50% pruning of flowers in the main season
T4 = Drip irrigation with 100% pruning of flowers in the main season
T5 = Traditional irrigation method without pruning of flowers in the main season
T6 = Traditional irrigation method with 50% pruning of flowers in the main season
The treatments were replicated 5 times and drip irrigation was done at an alternate day. Ring basin was used as traditional method for water application at an interval of 15 days since October to April. Irrigation was also applied during flowering to fruit setting period in off-season when there was no rainfall. Plastic hosepipes were used to irrigate the trees in ring basin method. No. of fruits/plant, unit fruit wt., length and diameter of fruit and yields per tree were collected.
Annual Research Report 2004-2005, IWM, BARI
Drip irrigation was found significant effect on off-season guava production. For concrete decisions, the experiment should be conducted for another one year. But from 2 years’ study, it reveals that drip irrigation with 50% pruning of flowers in the main season is the best option for getting the highest yield of off-season guava as well as the highest economic return.
Report/Proceedings