Abstract
Limited availability of irrigation water is one of the major constraints for higher productivity of wheat in Vertisols of central India. There is a need for efficient utilization of the limited water through improving the water use efficiency of wheat. A field experiment was undertaken to study root growth, yield and water use efficiency of wheat grown on a deep Vertisol under soybean-wheat, soybean+sorghum-wheat and sorghum-wheat cropping systems with two irrigation schedules i.e. 0.8 and 0.6 IW/CPE and six different nutrient management strategies. The results showed that yield and water use efficiency of wheat under soybean-wheat and soybean+sorghum-wheat system were more than the sorghum-wheat system because of better root growth and higher soil water extraction in the former cropping systems. The root length density of wheat was significantly correlated with the soil water extraction (R2= 0.32*), grain yield (R2= 0.84**) and water use efficiency (R2=0.79**) of wheat. Irrigation at 0.8 IW/CPE significantly improved the soil water extraction, root length density and grain yield of wheat over irrigation at 0.6 IW/CPE. Integrated use of 75% NPK and farmyard manure @ 5 Mg ha−1 or poultry manure @ 1.5 Mg ha−1 or phosphocompost @ 5 Mg ha−1 to rainy season crops and 75% NPK to wheat significantly improved the root length density, yield and water use efficiency of wheat over application of 100% NPK to both the crops leading to a saving of 25% fertilizer NPK in both the seasons.
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Claims 7
Claim · model-written summary
Wheat under soybean-wheat and soybean+sorghum-wheat systems had higher yield and water use efficiency than under sorghum-wheat, through better root growth and soil water extraction.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- soybean-wheat and soybean+sorghum-wheat systeme1
- Outcome
- yield and water use efficiencye1
- Direction
- moree1
- Qualifier
- because of better root growth and higher soil water extractione1
- Comparator
- sorghum-wheat systeme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“yield and water use efficiency of wheat under soybean-wheat and soybean+sorghum-wheat system were more than the sorghum-wheat system because of better root growth and higher soil water extraction in the former cropping systems”
Claim · model-written summary
Root length density of wheat was significantly correlated with soil water extraction.
- Taxon
- wheatTriticum aestivume2
- Organ / stage
- roote2
- Outcome
- soil water extractione2
- Value
- R2= 0.32*e2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The root length density of wheat was significantly correlated with the soil water extraction (R2= 0.32*), grain yield (R2= 0.84**) and water use efficiency (R2=0.79**) of wheat”
Claim · model-written summary
Root length density of wheat was significantly correlated with grain yield.
- Taxon
- wheatTriticum aestivume2
- Organ / stage
- roote2
- Outcome
- grain yielde2
- Value
- R2= 0.84**e2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The root length density of wheat was significantly correlated with the soil water extraction (R2= 0.32*), grain yield (R2= 0.84**) and water use efficiency (R2=0.79**) of wheat”
Claim · model-written summary
Root length density of wheat was significantly correlated with water use efficiency.
- Taxon
- wheatTriticum aestivume2
- Organ / stage
- roote2
- Outcome
- water use efficiencye2
- Value
- R2=0.79**e2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The root length density of wheat was significantly correlated with the soil water extraction (R2= 0.32*), grain yield (R2= 0.84**) and water use efficiency (R2=0.79**) of wheat”
Claim · model-written summary
Irrigation at 0.8 IW/CPE significantly improved soil water extraction, root length density and grain yield of wheat over 0.6 IW/CPE.
- Taxon
- wheatTriticum aestivume3
- Treatment
- Irrigation at 0.8 IW/CPEe3
- Outcome
- soil water extraction, root length density and grain yielde3
- Direction
- improvede3
- Comparator
- irrigation at 0.6 IW/CPEe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Irrigation at 0.8 IW/CPE significantly improved the soil water extraction, root length density and grain yield of wheat over irrigation at 0.6 IW/CPE”
Claim · model-written summary
Integrated use of 75% NPK with farmyard, poultry or phosphocompost manure significantly improved root length density, yield and water use efficiency of wheat over 100% NPK.
- Taxon
- wheatTriticum aestivume4
- Treatment
- Integrated use of 75% NPK and farmyard manure @ 5 Mg ha−1 or poultry manure @ 1.5 Mg ha−1 or phosphocompost @ 5 Mg ha−1e4
- Outcome
- root length density, yield and water use efficiencye4
- Direction
- improvede4
- Comparator
- application of 100% NPKe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Integrated use of 75% NPK and farmyard manure @ 5 Mg ha−1 or poultry manure @ 1.5 Mg ha−1 or phosphocompost @ 5 Mg ha−1 to rainy season crops and 75% NPK to wheat significantly improved the root length density, yield and water use efficiency of wheat over application of 100% NPK to both the crops”
Claim · model-written summary
Integrated nutrient management saved 25% of fertilizer NPK in wheat over both seasons.
- Taxon
- wheatTriticum aestivume4
- Treatment
- Integrated use of 75% NPKe4
- Outcome
- fertilizer NPKe5
- Direction
- savinge5
- Value
- 25%e5
- Comparator
- application of 100% NPKe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Integrated use of 75% NPK and farmyard manure @ 5 Mg ha−1 or poultry manure @ 1.5 Mg ha−1 or phosphocompost @ 5 Mg ha−1 to rainy season crops and 75% NPK to wheat significantly improved the root length density, yield and water use efficiency of wheat over application of 100% NPK to both the crops”
e5“leading to a saving of 25% fertilizer NPK in both the seasons”
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See all 989 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.