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Improving AgriculturalProductivity
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Bangladeshi experiences with a drum
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AcknowledgmentsIRRI is most gratefu
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The High Barind Tract: a challengin
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irrigation across the entire Barind
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Workshop synthesis
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and, with representatives from the
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Subsistence pressureLand pressure,
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HerbicidesEarlier efforts to introd
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volume). PVS is an effective way to
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Farmers may use wet-seeded DSR as a
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process and distributing HNPV to fa
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an NGO, have successfully collabora
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Workshop discussionParticipants dis
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How can we identify a short-duratio
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to fixed tenancy. The implication i
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Opportunities for improving ricepro
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that the reliability and productivi
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Table 1. Planting dates, direct-see
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Table 2. (A) Mean effect of fertili
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Table 5. On-farm trials of a drum s
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Upper toposequenceYield (t ha -1 )7
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and perennial grasses (e.g., Ischae
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Direct-seeded rice in the HighBarin
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Table 1. Sample selection for costs
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Table 4. Variations in weed managem
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Table 7. Labor requirements (days h
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Table 10. Farmer perceptions of dis
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Farmers (no.)1412108DSRWet-seededDr
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able commercially. Other OFT farmer
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Box 1. Farmers’ comments on DSRPo
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NotesAuthors’ addresses: M.A. Jab
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This paper explores the role of som
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(Olsen method, atomic absorption),
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Mean biomass (g m −2 )1,000.000Fi
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Fig. 3. Log rank abundance of weed
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attested by Fig. 2). Diversity in t
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Bangladeshi experiences with a drum
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Table 1. Grain yield and crop durat
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Table 5. Grain yield and growth dur
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ACEy = 0.0001x + 0.7089Yield (t ha
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Table 11. Partial budget analysis f
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ConclusionsDirect wet-seeded rice u
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A 178% increase in rice production
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Table 1. Components of yield gaps d
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Table 3. Weed management in Comilla
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Table 5. Weed management practices
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Table 7. Significance (P H o ) of t
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Since 2000, there has been an incre
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Identifying varieties for the High
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Table 1. Rice varieties bred by cli
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Table 2. Grain yield advantage of J
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Table 3. Plant height and crop dura
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Table 6. Summary of adoption and sp
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Freeman GH, Perkins J.M. 1971. Envi
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Opportunities for improving rabi cr
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Grain yield (t ha -1 )2.0npp1.5LSD
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In each of the plots, numbers of He
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Table 2. Effect of IPM components o
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Unit plot size was 10 10 m and the
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Yield (t ha -1 )5Straw4321GrainP (g
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Nodulation score3AControl Soil Mo P
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even at low levels of production. B
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Integration of chickpea and other r
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Grain yield (t ha -1 )3.02.51989-99
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- Page 194 and 195: Table 4. Grain yields (t ha -1 ) of
- Page 196 and 197: Table 6. Mean grain yields (t ha -1
- Page 198: constraints present. This in itself
- Page 203 and 204: must agree to plant in a block to f
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- Page 207 and 208: Table 3. Effect of Mo application t
- Page 209 and 210: Harris D, Joshi A, Khan PA, Gothkar
- Page 211 and 212: Southeast Asia will fall into an
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- Page 217 and 218: mustard) to be grown on the residua
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- Page 221 and 222: ReferencesAtlin GN, Lafitte HR, Tao
- Page 223 and 224: Pane H, Noor ES, Jatmiko SY, Johnso