Abstract
Field studies were conducted during 2008–2009 and 2009–2010 at the Gangetic alluvial plains of West Bengal, India, to assess the different levels of drip fertigation at variable evaporation replenishment compared to surface irrigation and conventional soil fertilization on yield, water use efficiency, and nutrients availability in plant and ratoon crop of banana. The experiment was laid in an Augmented Factorial Complete Block Design with three replications having three drip irrigation schedules at 50%, 60%, and 70% of cumulative pan evaporation (CPE) and three drip fertigation schedules at 50%, 60%, and 80% of recommended nitrogen, phosphorus, and potassium (NPK) fertilizers with inclusion of conventional surface irrigation at 100% of IW/CPE. The results showed that fruit yield of plant and ratoon crop increased progressively with increasing levels of irrigation water (up to 60% CPE) and NPK fertigation through the drip system. However, maximum fruit yield and water use efficiency of crops was obtained with drip irrigation at 60% CPE with NPK fertigation at 80% of recommended dose. Drip irrigation, as a whole, registered higher fruit yields and water use efficiency with savings of 38.3–41.5% of water compared to surface irrigation. Availability of N, P, and K in soil at vegetative, shooting, and harvesting stages for plant and ratoon crop consistently increased with increasing rate of irrigation water and NPK fertigation through the drip system. Higher availability of macronutrients in soil was recorded with drip irrigation at 70% CPE with 80% of recommended drip NPK fertigation. Overall drip fertigation system improved the available plant nutrients in the soil as compared with traditional surface irrigation.
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Claims 10
Claim · model-written summary
Fruit yield of plant and ratoon banana crops increased with irrigation water up to 60% CPE.
- Taxon
- Bananat0
- Treatment
- increasing levels of irrigation water (up to 60% CPE)e0
- Outcome
- fruit yield of plant and ratoon crope0
- Direction
- increasede0
Not reportedComparator
Verbatim
t0“Banana”
e0“fruit yield of plant and ratoon crop increased progressively with increasing levels of irrigation water (up to 60% CPE)”
Claim · model-written summary
Fruit yield of plant and ratoon banana crops increased with NPK fertigation through drip irrigation.
- Taxon
- Bananat0
- Treatment
- NPK fertigation through the drip systeme0
- Outcome
- fruit yield of plant and ratoon crope0
- Direction
- increasede0
Not reportedComparator
Verbatim
t0“Banana”
e0“fruit yield of plant and ratoon crop increased progressively with increasing levels of irrigation water (up to 60% CPE) and NPK fertigation through the drip system”
Claim · model-written summary
Drip irrigation at 60% CPE with 80% of recommended NPK fertigation gave maximum banana fruit yield and water use efficiency.
- Taxon
- Bananat0
- Treatment
- drip irrigation at 60% CPE with NPK fertigation at 80% of recommended dosee0
- Outcome
- maximum fruit yield and water use efficiencye0
- Direction
- maximume0
Not reportedComparator
Verbatim
t0“Banana”
e0“maximum fruit yield and water use efficiency of crops was obtained with drip irrigation at 60% CPE with NPK fertigation at 80% of recommended dose”
Claim · model-written summary
Drip irrigation produced higher banana fruit yields than surface irrigation.
Verbatim
t0“Banana”
e0“Drip irrigation, as a whole, registered higher fruit yields and water use efficiency with savings of 38.3–41.5% of water compared to surface irrigation”
Claim · model-written summary
Drip irrigation produced higher banana water use efficiency than surface irrigation.
Verbatim
t0“Banana”
e0“Drip irrigation, as a whole, registered higher fruit yields and water use efficiency with savings of 38.3–41.5% of water compared to surface irrigation”
Claim · model-written summary
Drip irrigation saved 38.3–41.5% of water relative to surface irrigation.
Verbatim
t0“Banana”
e0“Drip irrigation, as a whole, registered higher fruit yields and water use efficiency with savings of 38.3–41.5% of water compared to surface irrigation”
Claim · model-written summary
Soil N, P and K availability increased with irrigation water rates in plant and ratoon banana crops across vegetative, shooting and harvest stages.
- Taxon
- Bananat0
- Organ / stage
- vegetative, shooting, and harvesting stagese0
- Treatment
- increasing rate of irrigation watere0
- Outcome
- Availability of N, P, and K in soile0
- Direction
- increasede0
Not reportedComparator
Verbatim
t0“Banana”
e0“Availability of N, P, and K in soil at vegetative, shooting, and harvesting stages for plant and ratoon crop consistently increased with increasing rate of irrigation water and NPK fertigation through the drip system”
Claim · model-written summary
Soil N, P and K availability increased with NPK fertigation rates in plant and ratoon banana crops across vegetative, shooting and harvest stages.
- Taxon
- Bananat0
- Organ / stage
- vegetative, shooting, and harvesting stagese0
- Treatment
- NPK fertigation through the drip systeme0
- Outcome
- Availability of N, P, and K in soile0
- Direction
- increasede0
Not reportedComparator
Verbatim
t0“Banana”
e0“Availability of N, P, and K in soil at vegetative, shooting, and harvesting stages for plant and ratoon crop consistently increased with increasing rate of irrigation water and NPK fertigation through the drip system”
Claim · model-written summary
Drip irrigation at 70% CPE with 80% of recommended NPK fertigation gave higher soil macronutrient availability.
- Taxon
- Bananat0
- Treatment
- drip irrigation at 70% CPE with 80% of recommended drip NPK fertigatione0
- Outcome
- availability of macronutrients in soile0
- Direction
- Highere0
Not reportedComparator
Verbatim
t0“Banana”
e0“Higher availability of macronutrients in soil was recorded with drip irrigation at 70% CPE with 80% of recommended drip NPK fertigation”
Claim · model-written summary
The drip fertigation system improved available soil plant nutrients relative to traditional surface irrigation.
Verbatim
t0“Banana”
e0“Overall drip fertigation system improved the available plant nutrients in the soil as compared with traditional surface irrigation”
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