1. Machungo C, Wanjogu R.K, Owilla, B , Njoka, J.J Anzwa, M.
Effects of Bed and Furrow Irrigation System on the Growth, Production and Water use Efficiency of Lowland Rice
Machungo C, Wanjogu R.K, Owilla, B , Njoka, J.J
Anzwa, M.
NIB RESEARCH WORKSHOP 13th & 14th June

2. INTRODUCTION
Water shortage in has necessitated the development of efficient water use methods for growing major crops.
In traditional agronomic and water use practices (Irrigated puddled paddy fields), the farmers apply much more water for paddy crop than the actual requirements.

3. INTRODUCTION
Growing paddy on beds and furrows is an alternate, which utilizes much less water.
In Pakistan water efficiency of rice under bed and furrow systems increased to 0.39 kg/m3 of water compared to 0.20 kg/m3commonly obtained under the traditional flood irrigation method

4. Rice seedlings transplanted on beds and furrows

5. Rice paddy growing on beds and furrows

6. OBJECTIVE
Determine the effects of bed and furrow irrigation system on growth, production and water use efficiency of lowland rice.

7. Specific Objectives
Determine the effect of bed and furrow irrigation system on growth and yield of lowland rice
Determine the WUE of the bed and furrow irrigation system for lowland rice
Optimize the design of bed and furrow method of irrigation to maximize, water saving and crop yield

8. Treatments
Description (Bed & Furrow Configuration)
Number of rows T1
Bed 75cm and furrow 75 cm with depth of 20 cm
Four rows on bed T2
Bed 75 cm and furrow of 38 cm with depth of 20 cm T3
Bed 75cm and furrow 38 cm with depth of 20 cm
Two rows on bed
Two rows on middle furrows T4
Rice: Flooded Basin: Traditional transplanting on puddled soil (Control)

9. METHODOLOGY Varieties NERICA 4, Bas 370 and IR 2793
Factorial Experiment
Split plot RCBD Design
Main plot
Variety – Sub plot
Spacing – Sub- sub plot Factor
Crop Management- As per recommended practice

10. Data Collection Growth Plant height Tiller counts Yield parameters
Tiller counts at harvest – PT, NPT & TT
Panicle data- FG, SG, TG & Sterility
1000 grain weight
Yield Kg/Ha
28, 42, 56 , 70 & 84DAS

11. Data Collection Weeds Total, Grass, Broadleaf, Sedges
Volume of water delivered to each plot/irrigation
Rate of infiltration
Rainfall data
Depth of water

13. RESULTS

14. NERICA 4

16. BASMATI 370

17. BASMATI 370

18. IR 2793

19. IR 2793

20. NERICA 4

21. BASMATI 370

23. NERICA 4

24. BASMAI 370

25. IR 2793

28. IR 2793

30. BASMATI 370

31. IR 2793

32. NERICA 4

33. BASMATI 370

34. IR 2793

35. CONCLUSION
The irrigation method did not have a significant effect on growth measured height and number of tillers over time.
Weed density was significantly higher in the bed and furrow systems compared to the basin
Crop water use efficiency higher in the bed furrow system vs. the basin.

36. CONCLUSION
The yields did not differ significantly between the f bed furrow system and the basin for the lowland varieties (Basmati 370 & IR2793.
The bed furrow systems evaluated did not show significant differences for most parameters evaluated.

37. CONCLUSION
To overcome the scarcity of irrigation water and generate higher crop yield, the bed and furrow method could be recommended for paddy cultivation

38. CONCLUSION However, more field investigations are required
To refine to the configurations of bed and furrows and rice planting system
To quantify amount of water saved
Cost benefit analysis – Establish benefits of Bed and furrow system vs Basin.

39. THANKYOU