Paper · 2025 · Agricultural Water Management

Optimizing water use in spring maize through integrated agro-techniques in groundwater-stressed regions of northwestern India

Khushkarandeep Singh; Vinay Kumar Sindhu; Ajmer Singh Brar; et al.

18
claims
33
verbatim quotes
5
citations
1
research areas
✓
Open access · cc-by-nc-nd

Abstract

Agriculture consumes nearly 80 % of India's freshwater, and the expansion of spring maize, a newly introduced water-intensive crop, is exacerbating groundwater depletion in northwestern India. This study, conducted at Centre for Water Technology and Management, Punjab Agricultural University, Ludhiana, in 2023 and 2024, aimed to strategically integrate available agro-techniques for efficient water use in spring maize, promoting sustainable production. A split-plot field experiment assessed two maize hybrids (DKC 9108, DKC 9208) and eight combinations of different planting methods [ridge planting and pneumatic broad-bed planting], mulching [straw mulch at 9 t/ha and plastic mulching], irrigation methods [furrow irrigation, surface drip irrigation (SDI), sub-surface drip irrigation (SSDI)] and irrigation scheduling [irrigation at 1.0 IW:CPE, 1.2 IW:CPE, 80 % ETc, 100 % ETc and at 30 % depletion of available moisture (DASM)]. The results showed that both the spring maize hybrids, exhibited similar growth and yield across both years. Similarly, ridge planting with furrow irrigation and pneumatic broad-bed planting with furrow irrigation resulted in comparable grain yield across the years. However, latter resulted in 9–20 % saving of irrigation water with 11–26 % higher apparent water productivity (AWP). Integrating pneumatic broad-bed planting with SDI without straw mulching did not significantly increase the grain yield of spring maize during both years but saved 26–27 % irrigation water and improved AWP by 43–44 %, however, during 2024, SSDI without straw mulch increased the grain yield by 7 %, with 14 % saving of irrigation water and 25 % higher AWP compared to furrow irrigation in pneumatic broad-bed planting. Further, integrating straw mulch at 9 t/ha and pneumatic broad-bed planting with either SDI or SSDI had no significant effect on grain yield during 2023, but increased the grain yield by 9–13 % and net returns by 10–16 % as compared to SDI or SSDI without straw mulch in 2024. In conclusion, the combination of pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASM increased grain yield by 16–19 % and 15–18 %, AWP by 35–73 % and 22–37 %, and net returns by 20–27 % and 18–24 %, while saving 14–31 % and 6–14 % irrigation water, and 20 % fertilizers compared to ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigation, respectively.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc-nd. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 18

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Both maize hybrids had similar growth and yield across years.

Taxon
spring maizeZea mayse0
Outcome
similar growth and yielde0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“both the spring maize hybrids, exhibited similar growth and yield across both years”

✓ located verbatim in the source · abstract, characters 961–1044 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Ridge and pneumatic broad-bed planting with furrow irrigation produced comparable grain yield.

Taxon
graine0
Treatment
pneumatic broad-bed planting with furrow irrigatione0
Outcome
grain yielde0
Direction
comparablee0
Comparator
ridge planting with furrow irrigatione0

Verbatim

e0

“ridge planting with furrow irrigation and pneumatic broad-bed planting with furrow irrigation resulted in comparable grain yield across the years”

✓ located verbatim in the source · abstract, characters 1057–1202 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Pneumatic broad-bed planting with furrow irrigation saved 9–20% irrigation water.

Taxon
spring maizeZea mayst0
Treatment
pneumatic broad-bed planting with furrow irrigatione1
Outcome
irrigation watere0
Direction
savinge0
Value
9–20 %e0
Comparator
ridge planting with furrow irrigatione1

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“latter resulted in 9–20 % saving of irrigation water with 11–26 % higher apparent water productivity (AWP)”

✓ located verbatim in the source · abstract, characters 1213–1319 · show in text ↑
e1

“ridge planting with furrow irrigation and pneumatic broad-bed planting with furrow irrigation”

✓ located verbatim in the source · abstract, characters 1057–1150 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Pneumatic broad-bed planting with furrow irrigation raised apparent water productivity 11–26%.

Taxon
spring maizeZea mayst0
Treatment
pneumatic broad-bed planting with furrow irrigatione1
Outcome
apparent water productivity (AWP)e0
Direction
highere0
Value
11–26 %e0
Comparator
ridge planting with furrow irrigatione1

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“latter resulted in 9–20 % saving of irrigation water with 11–26 % higher apparent water productivity (AWP)”

✓ located verbatim in the source · abstract, characters 1213–1319 · show in text ↑
e1

“ridge planting with furrow irrigation and pneumatic broad-bed planting with furrow irrigation”

✓ located verbatim in the source · abstract, characters 1057–1150 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Broad-bed planting with SDI without straw mulch did not significantly increase maize grain yield.

Taxon
spring maizeZea mayse0
Treatment
pneumatic broad-bed planting with SDI without straw mulchinge0
Outcome
grain yielde0
Direction
did not significantly increasee0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Integrating pneumatic broad-bed planting with SDI without straw mulching did not significantly increase the grain yield of spring maize during both years”

✓ located verbatim in the source · abstract, characters 1321–1474 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

That SDI system saved 26–27% irrigation water.

Taxon
spring maizeZea mayse0
Treatment
pneumatic broad-bed planting with SDI without straw mulchinge0
Outcome
irrigation watere0
Direction
savede0
Value
26–27 %e0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Integrating pneumatic broad-bed planting with SDI without straw mulching did not significantly increase the grain yield of spring maize during both years but saved 26–27 % irrigation water”

✓ located verbatim in the source · abstract, characters 1321–1509 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

That SDI system improved apparent water productivity by 43–44%.

Taxon
spring maizeZea mayst0
Treatment
pneumatic broad-bed planting with SDI without straw mulchinge0
Outcome
AWPe0
Direction
improvede0
Value
43–44 %e0

Not reportedComparator

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“pneumatic broad-bed planting with SDI without straw mulching did not significantly increase the grain yield of spring maize during both years but saved 26–27 % irrigation water and improved AWP by 43–44 %”

✓ located verbatim in the source · abstract, characters 1333–1537 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In 2024, SSDI without straw mulch increased grain yield by 7% versus furrow irrigation in broad-bed planting.

Taxon
spring maizeZea mayst0
Treatment
SSDI without straw mulche0
Outcome
grain yielde0
Direction
increasede0
Value
7 %e0
Qualifier
during 2024e0
Comparator
furrow irrigation in pneumatic broad-bed plantinge0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“during 2024, SSDI without straw mulch increased the grain yield by 7 %, with 14 % saving of irrigation water and 25 % higher AWP compared to furrow irrigation in pneumatic broad-bed planting”

✓ located verbatim in the source · abstract, characters 1548–1738 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In 2024, SSDI without mulch saved 14% irrigation water versus furrow irrigation.

Taxon
spring maizeZea mayst0
Treatment
SSDI without straw mulche0
Outcome
irrigation watere0
Direction
savinge0
Value
14 %e0
Comparator
furrow irrigation in pneumatic broad-bed plantinge0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“during 2024, SSDI without straw mulch increased the grain yield by 7 %, with 14 % saving of irrigation water and 25 % higher AWP compared to furrow irrigation in pneumatic broad-bed planting”

✓ located verbatim in the source · abstract, characters 1548–1738 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In 2024, SSDI without mulch raised apparent water productivity by 25%.

Taxon
spring maizeZea mayst0
Treatment
SSDI without straw mulche0
Outcome
AWPe0
Direction
highere0
Value
25 %e0
Comparator
furrow irrigation in pneumatic broad-bed plantinge0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“during 2024, SSDI without straw mulch increased the grain yield by 7 %, with 14 % saving of irrigation water and 25 % higher AWP compared to furrow irrigation in pneumatic broad-bed planting”

✓ located verbatim in the source · abstract, characters 1548–1738 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Straw mulch with broad-bed planting and SDI or SSDI had no significant grain yield effect in 2023.

Taxon
graine0
Treatment
straw mulch at 9 t/ha and pneumatic broad-bed planting with either SDI or SSDIe0
Outcome
grain yielde0
Direction
no significant effecte0

Not reportedComparator

Verbatim

e0

“integrating straw mulch at 9 t/ha and pneumatic broad-bed planting with either SDI or SSDI had no significant effect on grain yield during 2023”

✓ located verbatim in the source · abstract, characters 1749–1892 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In 2024, straw mulch with broad-bed planting and SDI or SSDI increased grain yield by 9–13%.

Taxon
spring maizeZea mayst0
Treatment
straw mulch at 9 t/ha and pneumatic broad-bed planting with either SDI or SSDIe0
Outcome
grain yielde0
Direction
increasede0
Value
9–13 %e0
Comparator
SDI or SSDI without straw mulche0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“integrating straw mulch at 9 t/ha and pneumatic broad-bed planting with either SDI or SSDI had no significant effect on grain yield during 2023, but increased the grain yield by 9–13 % and net returns by 10–16 % as compared to SDI or SSDI without straw mulch in 2024”

✓ located verbatim in the source · abstract, characters 1749–2015 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In 2024, that mulch treatment increased net returns by 10–16%.

Taxon
spring maizeZea mayst0
Treatment
straw mulch at 9 t/ha and pneumatic broad-bed planting with either SDI or SSDIe0
Outcome
net returnse0
Direction
increasede0
Value
10–16 %e0
Comparator
SDI or SSDI without straw mulche0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“integrating straw mulch at 9 t/ha and pneumatic broad-bed planting with either SDI or SSDI had no significant effect on grain yield during 2023, but increased the grain yield by 9–13 % and net returns by 10–16 % as compared to SDI or SSDI without straw mulch in 2024”

✓ located verbatim in the source · abstract, characters 1749–2015 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The integrated mulch, broad-bed and SSDI treatment increased grain yield by 16–19% and 15–18% against the two furrow-irrigated baselines.

Taxon
spring maizeZea mayst0
Treatment
pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASMe0
Outcome
grain yielde0
Direction
increasede0
Value
16–19 % and 15–18 %e0
Comparator
ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigatione0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the combination of pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASM increased grain yield by 16–19 % and 15–18 %, AWP by 35–73 % and 22–37 %, and net returns by 20–27 % and 18–24 %, while saving 14–31 % and 6–14 % irrigation water, and 20 % fertilizers compared to ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigation, respectively”

✓ located verbatim in the source · abstract, characters 2032–2424 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The integrated treatment raised AWP by 35–73% and 22–37% against the two baselines.

Taxon
spring maizeZea mayst0
Treatment
pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASMe0
Outcome
AWPe0
Direction
increasede0
Value
35–73 % and 22–37 %e0
Comparator
ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigatione0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the combination of pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASM increased grain yield by 16–19 % and 15–18 %, AWP by 35–73 % and 22–37 %, and net returns by 20–27 % and 18–24 %, while saving 14–31 % and 6–14 % irrigation water, and 20 % fertilizers compared to ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigation, respectively”

✓ located verbatim in the source · abstract, characters 2032–2424 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The integrated treatment raised net returns by 20–27% and 18–24% against the two baselines.

Taxon
spring maizeZea mayst0
Treatment
pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASMe0
Outcome
net returnse0
Direction
increasede0
Value
20–27 % and 18–24 %e0
Comparator
ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigatione0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the combination of pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASM increased grain yield by 16–19 % and 15–18 %, AWP by 35–73 % and 22–37 %, and net returns by 20–27 % and 18–24 %, while saving 14–31 % and 6–14 % irrigation water, and 20 % fertilizers compared to ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigation, respectively”

✓ located verbatim in the source · abstract, characters 2032–2424 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The integrated treatment saved 14–31% and 6–14% irrigation water against the two baselines.

Taxon
spring maizeZea mayst0
Treatment
pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASMe0
Outcome
irrigation watere0
Direction
savinge0
Value
14–31 % and 6–14 %e0
Comparator
ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigatione0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the combination of pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASM increased grain yield by 16–19 % and 15–18 %, AWP by 35–73 % and 22–37 %, and net returns by 20–27 % and 18–24 %, while saving 14–31 % and 6–14 % irrigation water, and 20 % fertilizers compared to ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigation, respectively”

✓ located verbatim in the source · abstract, characters 2032–2424 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The integrated treatment saved 20% fertilizer.

Taxon
spring maizeZea mayst0
Treatment
pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASMe0
Outcome
fertilizerse0
Direction
savinge0
Value
20 %e0
Comparator
ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigatione0

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“the combination of pneumatic broad-bed planting with straw mulch at 9 t/ha and SSDI at 30 % DASM increased grain yield by 16–19 % and 15–18 %, AWP by 35–73 % and 22–37 %, and net returns by 20–27 % and 18–24 %, while saving 14–31 % and 6–14 % irrigation water, and 20 % fertilizers compared to ridge planting with furrow irrigation and pneumatic broad-bed with furrow irrigation, respectively”

✓ located verbatim in the source · abstract, characters 2032–2424 · show in text ↑
t0

“spring maize”

✓ located verbatim in the source · title, characters 24–36 · show in text ↑

organic · physiology: water · Zea mays (maize)Results differ

48 papers: 46 positive, 2 negative or no effect

45 papers in the same direction as this paper · 2 in the opposite direction

  1. no effect
  2. negative
  3. positive

44 papers more in this group

See all 48 papers →

irrigation · physiology: water · Zea mays (maize)Positive and negative results

324 papers: 284 positive, 40 negative or no effect

283 papers in the same direction as this paper · 39 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. positive
    FIRBM improved WUE versus flood flatbed.

    Performance of Spring and Summer-Sown Maize under Different Irrigation Strategies in Pakistan · 2021 · compared with flood irrigation flatbed (FIF)

    Same directionCited by this paper

  3. no effect

320 papers more in this group

See all 324 papers →

organic · yield · Zea mays (maize)Positive and negative results

373 papers: 330 positive, 43 negative or no effect

329 papers in the same direction as this paper · 32 in the opposite direction · 11 reporting no difference from an alternative

  1. positive
  2. no effect
  3. negative

369 papers more in this group

See all 373 papers →

irrigation · yield · Zea mays (maize)Positive and negative results

1,016 papers: 791 positive, 225 negative or no effect

790 papers in the same direction as this paper · 209 in the opposite direction · 16 reporting no difference from an alternative

  1. positive
  2. positive
  3. negative

1,012 papers more in this group

See all 1,016 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.