Paper · 2015 · International Journal of Agriculture and Biology

Potential Soil Moisture Deficit: An Alternative Approach for Irrigation Scheduling in Wheat

Muhammad Usman Bashir; Syed Aftab Wajid; Ashfaq Ahmad; et al.

3
claims
6
verbatim quotes
16
citations
1
research areas
✓
Open access

Abstract

Wheat is a staple food of Pakistan and its productivity is linked with water supply. Potential soil moisture deficit (PSMD) is an approach to save water. PSMD technique was utilized to grow early and late sowing wheat (Triticum aestivum L.) for optimum yield. The experiment was conducted at the agronomic research area, University of Agriculture, Faisalabad during 2010-2011 and 2011-2012. The experimental design was randomized complete block design in a split plot arrangement with three replications. The main plot was sowing dates (15 th November and 15 th December) and the sub-plots were levels of irrigation based on PSMD (full irrigation, 45 mm, 60 mm and 75 mm). The row spacing as set 20 cm and the seed rate was 125 kg ha -1 using cv. Sahar-2006. Fertilizer was applied at 120:90 kg ha -1 of nitrogen and phosphorus, respectively. Data were recorded for yield and yield components at maturity. Irrigation at 45 mm PSMD for crop sown on November 15 produced maximum grain yield. During both years, maximum plant height, number of grains per spike, thousand grain weight, productive of tillers (m -2 ), grain yield and WUE were recorded with full irrigation and irrigation at 45 mm PSMD respectively. Results revealed that deficit irrigation at 45 mm PSMD was water saving as compared to farmer conventional practice of full irrigation.

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Claims 3

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

At November 15 sowing, 45 mm PSMD irrigation produced maximum grain yield.

Treatment
45 mm PSMDe0
Outcome
grain yielde0
Direction
maximume0

Not reportedComparatorSetting

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Irrigation at 45 mm PSMD for crop sown on November 15 produced maximum grain yield.”

✓ located verbatim in the source · abstract, characters 906–989 · show in text ↑
e1

“wheat (Triticum aestivum L.)”

✓ located verbatim in the source · abstract, characters 212–240 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Full irrigation and 45 mm PSMD respectively gave maximum reported plant height, grains per spike, thousand grain weight, productive tillers, grain yield and WUE across both years.

Outcome
plant height, number of grains per spike, thousand grain weighte0
Direction
maximume0
Qualifier
full irrigation and irrigation at 45 mm PSMD respectivelye0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“During both years, maximum plant height, number of grains per spike, thousand grain weight, productive of tillers (m -2 ), grain yield and WUE were recorded with full irrigation and irrigation at 45 mm PSMD respectively.”

✓ located verbatim in the source · abstract, characters 990–1210 · show in text ↑
e1

“wheat (Triticum aestivum L.)”

✓ located verbatim in the source · abstract, characters 212–240 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

At 45 mm PSMD, deficit irrigation saved water compared with full irrigation.

Treatment
deficit irrigation at 45 mm PSMDe0
Outcome
water savinge0
Direction
water savinge0
Comparator
full irrigatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“deficit irrigation at 45 mm PSMD was water saving as compared to farmer conventional practice of full irrigation”

✓ located verbatim in the source · abstract, characters 1233–1345 · show in text ↑
e1

“wheat (Triticum aestivum L.)”

✓ located verbatim in the source · abstract, characters 212–240 · show in text ↑

drought · yield · Triticum aestivum (wheat)Positive and negative results

632 papers: 95 positive, 537 negative or no effect

94 papers in the same direction as this paper · 537 in the opposite direction

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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.