Paper · 2022 · Frontiers in Plant Science

Biochar Optimizes Wheat Quality, Yield, and Nitrogen Acquisition in Low Fertile Calcareous Soil Treated With Organic and Mineral Nitrogen Fertilizers

Mushtaq Ahmad Khan; Abdul Basir; Shah Fahad; et al.

12
claims
14
verbatim quotes
61
citations
2
research areas
✓
Open access · cc-by

Abstract

Crop quality and nutrient uptake are considerably influenced by fertilizers inputs and their application rate. Biochar (BC) improves nitrogen uptake and crop productivity. However, its interaction with synthetic and organic fertilizers in calcareous soil is not fully recognized. Therefore, we inspected the role of biochar (0, 10, 20, and 30 t ha –1 ) in improving N uptake and quality of wheat in a calcareous soil under integrated N management (90, 120, and 150 kg N ha –1 ) applied each from urea, farmyard manure (FYM) and poultry manure (PM) along with control) in 2 years field experiments. Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years. However, their impact was more pronounced in the 2nd year (2016–2017) after application compared to the 1st year (2015–2016). Therefore, for immediate crop benefits, it is recommended to use 20 t BC ha –1 once in 50 years for enhancing the nitrogen use efficiency of fertilizers and crop yield.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. 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 12

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Biochar and poultry manure improved wheat grain protein content to 14.57%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
grain protein contente0
Direction
improvede0
Value
14.57%e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved grain yield by 62.9%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
graine0
Direction
improvede0
Value
62.9%e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved straw yield by 28.7%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
strawe0
Direction
improvede0
Value
28.7%e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved biological yield by 38.4%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
biologicale0
Direction
improvede0
Value
38.4%e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved grain N concentration by 14.6%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
grain, straw, and total N concentratione0
Direction
improvede0
Value
14.6e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved straw N concentration by 19.2%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
grain, straw, and total N concentratione0
Direction
improvede0
Value
19.2e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved total N concentration by 15.6%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
grain, straw, and total N concentratione0
Direction
improvede0
Value
15.6%e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved grain N uptake by 84.6%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
their uptakee0
Direction
improvede0
Value
84.6e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved straw N uptake by 48.8%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
their uptakee0
Direction
improvede0
Value
48.8e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The treatment improved total N uptake by 72.1%.

Treatment
20 t BC along with 150 kg N ha –1 as poultry manuree0
Outcome
their uptakee0
Direction
improvede0
Value
72.1%e0
Comparator
absolute controle0

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

“Application of 20 t BC along with 150 kg N ha –1 as poultry manure considerably improved wheat grain protein content (14.57%), grain (62.9%), straw (28.7%), and biological (38.4%) yield, grain, straw, and total N concentration by 14.6, 19.2, and 15.6% and their uptake by 84.6, 48.8, and 72.1%, respectively, over absolute control when averaged across the years”

✓ located verbatim in the source · abstract, characters 598–959 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The response was more pronounced in the second year than the first.

Outcome
impacte0
Direction
more pronouncede0
Comparator
the 1st year (2015–2016)e0

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

“their impact was more pronounced in the 2nd year (2016–2017) after application compared to the 1st year (2015–2016)”

✓ located verbatim in the source · abstract, characters 970–1085 · show in text ↑
t0

“Wheat”

✓ located verbatim in the source · title, characters 18–23 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend 20 t BC ha –1 once in 50 years to enhance fertilizer nitrogen use efficiency and crop yield.

Outcome
use 20 t BC ha –1 once in 50 yearse0

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

“it is recommended to use 20 t BC ha –1 once in 50 years for enhancing the nitrogen use efficiency of fertilizers and crop yield”

✓ located verbatim in the source · abstract, characters 1127–1254 · show in text ↑
t0

“Wheat”

✓ located verbatim in the source · title, characters 18–23 · show in text ↑

biochar · quality: protein · Triticum aestivum (wheat)Results differ

9 papers: 6 positive, 3 negative or no effect

5 papers in the same direction as this paper · 2 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. no effect
  3. negative

5 papers more in this group

See all 9 papers →

biochar · nutrient: content · Triticum aestivum (wheat)Positive and negative results

63 papers: 59 positive, 4 negative or no effect

58 papers in the same direction as this paper · 4 in the opposite direction

  1. positive
  2. no effect
  3. negative

59 papers more in this group

See all 63 papers →

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

121 papers: 111 positive, 10 negative or no effect

110 papers in the same direction as this paper · 10 in the opposite direction

  1. positive
  2. positive
  3. positive

117 papers more in this group

See all 121 papers →

nitrogen · quality: protein · Triticum aestivum (wheat)Positive and negative results

454 papers: 400 positive, 54 negative or no effect

399 papers in the same direction as this paper · 47 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

450 papers more in this group

See all 454 papers →

nitrogen · nutrient: content · Triticum aestivum (wheat)Positive and negative results

479 papers: 410 positive, 69 negative or no effect

409 papers in the same direction as this paper · 64 in the opposite direction · 5 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

475 papers more in this group

See all 479 papers →

fertilization · quality: protein · Triticum aestivum (wheat)Positive and negative results

566 papers: 501 positive, 65 negative or no effect

500 papers in the same direction as this paper · 56 in the opposite direction · 9 reporting no difference from an alternative

  1. positive
  2. no effect
  3. no effect

562 papers more in this group

See all 566 papers →

fertilization · nutrient: content · Triticum aestivum (wheat)Positive and negative results

959 papers: 854 positive, 105 negative or no effect

853 papers in the same direction as this paper · 95 in the opposite direction · 10 reporting no difference from an alternative

  1. positive
  2. positive
  3. negative

955 papers more in this group

See all 959 papers →

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

2,061 papers: 1,737 positive, 324 negative or no effect

1,736 papers in the same direction as this paper · 285 in the opposite direction · 39 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

2,057 papers more in this group

See all 2,061 papers →

8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.