Paper · 2022 · Bhartiya Krishi Anusandhan Patrika

Influence of Different Age of Seedlings and Micro Nutrient Management Practices on Growth and Yield Attributes of Rice (Oryza sativa L.) under System of Rice Intensification

M. Vikram Sai; Pronitha Chettri; G. Murugan; et al.

2
claims
6
verbatim quotes
2
citations
1
research areas
✓
Open access

Abstract

Background: The age of the seedlings at transplanting is a crucial component in achieving uniform rice stands since it influences prospective agronomic features. A micronutrient is the relative amount of a nutrient necessary for plant development. It participates in metabolic activities, enzymatic mechanisms. As a result, all of these, directly and indirectly, contribute to plant growth and development. The growth of rice depends on both the age of seedlings and micronutrients. So, based on the above considerations, we conducted our experiment entitled “Influence of different age of seedlings and micronutrient management practices on growth attributes and yield attributes of rice (Oryza sativa L.) under system of rice intensification.” Methods: An experiment was conducted at experimental research farm Rampur, Selaqui, Doon PG College of Agriculture and Allied Sciences, Dehradun during kharif season of 2016. The experiment was laid out in factorial randomized block design with twelve treatments and was replicated thrice viz., in which factor A consists of different age of seedlings viz., 14 days, 21 days and 28 days and factor B consists application of micronutrients at different days viz., 0.5% ZnSO4, FeSO4 at 20 and 30 DAT. Result: The results of the study revealed that the 14 days age of seedling with the foliar application of 0.5% ZnSO4 + 0.5% FeSO4 at 20 and 30 DAT resulted in maximum plant height, no. of tillers/m2 and highest grain and straw yield.

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Claims 2

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

14-day-old seedlings with foliar 0.5% ZnSO4 + 0.5% FeSO4 at 20 and 30 DAT gave maximum plant height and tillers per m2.

Treatment
14 days age of seedling with the foliar application of 0.5% ZnSO4 + 0.5% FeSO4 at 20 and 30 DATe3
Outcome
plant height, no. of tillers/m2e3
Direction
maximume3
Setting
experimental research farm Rampur, Selaquie2

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

e1

“The growth of rice depends on both the age of seedlings and micronutrients”

✓ located verbatim in the source · abstract, characters 407–481 · show in text ↑
e2

“An experiment was conducted at experimental research farm Rampur, Selaqui, Doon PG College of Agriculture and Allied Sciences, Dehradun during kharif season of 2016”

✓ located verbatim in the source · abstract, characters 755–919 · show in text ↑
e3

“The results of the study revealed that the 14 days age of seedling with the foliar application of 0.5% ZnSO4 + 0.5% FeSO4 at 20 and 30 DAT resulted in maximum plant height, no. of tillers/m2 and highest grain and straw yield”

✓ located verbatim in the source · abstract, characters 1253–1477 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

14-day-old seedlings with foliar 0.5% ZnSO4 + 0.5% FeSO4 at 20 and 30 DAT gave the highest grain and straw yield of rice.

Treatment
14 days age of seedling with the foliar application of 0.5% ZnSO4 + 0.5% FeSO4 at 20 and 30 DATe3
Outcome
grain and straw yielde3
Direction
higheste3
Setting
experimental research farm Rampur, Selaquie2

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

e1

“The growth of rice depends on both the age of seedlings and micronutrients”

✓ located verbatim in the source · abstract, characters 407–481 · show in text ↑
e2

“An experiment was conducted at experimental research farm Rampur, Selaqui, Doon PG College of Agriculture and Allied Sciences, Dehradun during kharif season of 2016”

✓ located verbatim in the source · abstract, characters 755–919 · show in text ↑
e3

“The results of the study revealed that the 14 days age of seedling with the foliar application of 0.5% ZnSO4 + 0.5% FeSO4 at 20 and 30 DAT resulted in maximum plant height, no. of tillers/m2 and highest grain and straw yield”

✓ located verbatim in the source · abstract, characters 1253–1477 · show in text ↑

iron(2+) sulfate (anhydrous) · yield · Oryza sativa (rice)Results differ

29 papers: 27 positive, 2 negative or no effect

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zinc sulfate · yield · Oryza sativa (rice)Results differ

145 papers: 144 positive, 1 negative or no effect

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

691 papers: 645 positive, 46 negative or no effect

644 papers in the same direction as this paper · 37 in the opposite direction · 9 reporting no difference from an alternative

  1. positive
  2. negative
  3. no effect

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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.