Abstract
Six on farm trials at different farmer's field locations characterized by sub-tropical climate were conducted to investigate the effect of rice straw mulching dressed @ 4.0 t/ha in sugarcane, by scheduling irrigation at weekly and fortnightly interval on cane yield and water productivity. Average sugarcane yield increased significantly (P=0.05) by 7.7% with rice straw mulching in weekly irrigated plots. In consonance, sugarcane yield increase from fortnightly irrigated mulched plots was also significant (P=0.05) (7.9%) over un-mulched plots. On an average, sugarcane crop received 26 irrigations in weekly irrigated plots that accounts for about 87.7% higher irrigation water than from plots irrigated at fortnightly interval receiving only 14 irrigations. Crop water productivity in rice straw mulched plots irrigated at weekly interval, varied from 132.3 to 153.1 kg cane/ha/cm of water applied. In comparison, water productivity in un-mulched plots receiving irrigation at same interval varied from 124.9 to 142.7 kg cane/ha/cm of water applied. However, water productivity in mulched sugarcane plots irrigated at fortnightly interval varied from. 233.3 to 299.5 kg cane/ha/em and from 205.7 to 285.1 kgcanc/ha/cm of applied water in mulched and un-mulched plots, respectively. Statistical non-significant (P=0.05) yield difference from un-mulched plots irrigated at weekly interval and rice straw mulched plots irrigated at fortnightly interval revealed substantial water saving with mulching without any significant variation in crop yield. Thus, it can be concluded that rice straw mulching in sugarcane results in significantly (P=0.05) higher sugarcane yield and enhanced water productivity besides saving of irrigation water.
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Claims 9
Claim · model-written summary
Rice straw mulch increased sugarcane yield by 7.7% under weekly irrigation.
- Taxon
- sugarcanee0
- Treatment
- rice straw mulchinge0
- Outcome
- sugarcane yielde0
- Direction
- increasede0
- Value
- 7.7%e0
- Qualifier
- weekly irrigated plotse0
Not reportedComparator
Verbatim
e0“Average sugarcane yield increased significantly (P=0.05) by 7.7% with rice straw mulching in weekly irrigated plots.”
Claim · model-written summary
Rice straw mulch increased sugarcane yield by 7.9% under fortnightly irrigation versus unmulched plots.
Verbatim
e0“sugarcane yield increase from fortnightly irrigated mulched plots was also significant (P=0.05) (7.9%) over un-mulched plots.”
Claim · model-written summary
Weekly irrigated plots received 26 irrigations, 87.7% more irrigation water than fortnightly plots receiving 14.
Verbatim
e0“sugarcane crop received 26 irrigations in weekly irrigated plots that accounts for about 87.7% higher irrigation water than from plots irrigated at fortnightly interval receiving only 14 irrigations.”
Claim · model-written summary
Water productivity with weekly irrigation was 132.3 to 153.1 kg cane/ha/cm in mulched plots.
Verbatim
e0“Crop water productivity in rice straw mulched plots irrigated at weekly interval, varied from 132.3 to 153.1 kg cane/ha/cm of water applied.”
t0“sugarcane (Saccharum officinarum)”
Claim · model-written summary
Water productivity with weekly irrigation was 124.9 to 142.7 kg cane/ha/cm in unmulched plots.
Verbatim
e0“water productivity in un-mulched plots receiving irrigation at same interval varied from 124.9 to 142.7 kg cane/ha/cm of water applied.”
t0“sugarcane (Saccharum officinarum)”
Claim · model-written summary
Fortnightly irrigated mulched plots had water productivity of 233.3 to 299.5 kg cane/ha/em.
Verbatim
e0“water productivity in mulched sugarcane plots irrigated at fortnightly interval varied from. 233.3 to 299.5 kg cane/ha/em”
Claim · model-written summary
Fortnightly irrigated unmulched plots had water productivity of 205.7 to 285.1 kgcanc/ha/cm.
Verbatim
e0“from 205.7 to 285.1 kgcanc/ha/cm of applied water in mulched and un-mulched plots, respectively.”
t0“sugarcane (Saccharum officinarum)”
Claim · model-written summary
Yield did not differ significantly between weekly unmulched and fortnightly mulched plots.
Verbatim
e0“Statistical non-significant (P=0.05) yield difference from un-mulched plots irrigated at weekly interval and rice straw mulched plots irrigated at fortnightly interval revealed substantial water saving with mulching without any significant variation in crop yield.”
t0“sugarcane (Saccharum officinarum)”
Claim · model-written summary
Fortnightly irrigated mulched plots saved substantial water relative to weekly unmulched plots.
Not reportedComparator
Verbatim
e0“revealed substantial water saving with mulching without any significant variation in crop yield.”
t0“sugarcane (Saccharum officinarum)”
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