Paper · 2004 · Indian Journal of Agronomy

Yield potential of fine-grain rice (Oryza sativa) under integrated nutrient management

P. Balasubramaniyan

2
claims
4
verbatim quotes
6
citations
1
research areas
—
Not open access

Abstract

A field investigation was carried out during 1997–98 and 1998–99 to study the effect of organics and integrated nutrient management in fine-grain ‘Ponni’ rice (Oryza sativa L.). Treatments consisted of fully organics, viz. green-manure, green-manure + neem-cake (250 kg/ha) as basal and 30 days after transplanting (DAT), basal + 30 DAT and these treatments in combination with the bio-fertilizer, Azospirillum at 2.0 kg/ha applied at 30 DAT. Integrated nutrient management included green-manure +50 kg N/ha, green-manure + 75 kg N/ha with or without Azospirillum at 2.0 kg/ha applied at 30 DAT. The green-manure +100 kg N/ha and green-manure alone were also compared. Grain yield of 3.4 tonnes/ha was registered under completely organic combination of green-manure at 6.25 tonnes/ha, neem-cake 250 kg/ha as basal and Azospirillum (2.0 kg/ha) at 30 DAT. However, under integrated nutrient management with the combination of green-manure +100 kg N/ha resulted in highest rice yield of 3.9 tonnes/ha.

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Claims 2

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The fully organic combination yielded 3.4 tonnes/ha of grain.

Taxon
rice (Oryza sativa)Oryza sativat0
Treatment
green-manure at 6.25 tonnes/ha, neem-cake 250 kg/ha as basal and Azospirillum (2.0 kg/ha) at 30 DATe0
Interactor
AzospirillumAzospirillume0symbiont
Outcome
Grain yielde0
Value
3.4 tonnes/hae0

Not reportedComparatorDirection

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗
Azospirillum
Azospirillum · InteractorFadelblaid · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Grain yield of 3.4 tonnes/ha was registered under completely organic combination of green-manure at 6.25 tonnes/ha, neem-cake 250 kg/ha as basal and Azospirillum (2.0 kg/ha) at 30 DAT”

✓ located verbatim in the source · abstract, characters 669–852 · show in text ↑
t0

“rice (Oryza sativa)”

✓ located verbatim in the source · title, characters 30–49 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Green manure plus 100 kg N/ha gave the highest rice yield, 3.9 tonnes/ha.

Taxon
rice (Oryza sativa)Oryza sativat0
Treatment
green-manure +100 kg N/hae0
Outcome
rice yielde0
Direction
higheste0
Value
3.9 tonnes/hae0

Not reportedComparator

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“green-manure +100 kg N/ha resulted in highest rice yield of 3.9 tonnes/ha”

✓ located verbatim in the source · abstract, characters 924–997 · show in text ↑
t0

“rice (Oryza sativa)”

✓ located verbatim in the source · title, characters 30–49 · show in text ↑

nitrogen · yield · Oryza sativa (rice)Positive and negative results

2,045 papers: 1,803 positive, 242 negative or no effect

1,802 papers in the same direction as this paper · 193 in the opposite direction · 49 reporting no difference from an alternative

  1. negative
  2. positive
  3. negative

2,041 papers more in this group

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fertilization · yield · Oryza sativa (rice)Positive and negative results

3,455 papers: 3,183 positive, 272 negative or no effect

3,182 papers in the same direction as this paper · 207 in the opposite direction · 65 reporting no difference from an alternative

  1. no effect
  2. positive
  3. positive

3,451 papers more in this group

See all 3,455 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.