Abstract
Finger millet, an important ‘Nutri-Cereal' and climate-resilient crop, is cultivated as a marginal crop in calcareous soils. Calcareous soils have low organic carbon content, high pH levels, and poor structure. Such a situation leads to poor productivity of the crop. Site-specific nutrient management (SSNM), which focuses on supplying optimum nutrients when a crop is needed, can ensure optimum production and improve the nutrient and energy use efficiency of crops. Moreover, developing an appropriate SSNM technique for this crop could offer new insights into nutrient management practices, particularly for calcareous soils. A field experiment was conducted during the rainy seasons of 2020 and 2021 in calcareous soil at Dr. Rajendra Prasad Central Agricultural University, Pusa, India. The experiment consisted of 8 treatments, viz . control, nitrogen (N)/phosphorus (P)/potassium (K)-omission, 75 %, 100 %, and 125 % recommended fertilizer dose (RFD), and 100 % recommended P and K + 30 kg ha −1 N as basal + rest N as per GreenSeeker readings. From this study, it was observed that the GreenSeeker-based SSNM resulted in the maximum grain yield (2873 kg ha −1 ), net output energy (96.3 GJ ha −1 ), and agronomic efficiency of N (30.6 kg kg −1 ), P (68.9 kg kg −1 ), and K (68.9 kg kg −1 ). The application of 125 % RFD resulted in ∼7 % lower yield than that under GreenSeeker-based nutrient management. Approximately 12 % greater energy use efficiency and 21–36 % greater nutrient use efficiency were recorded under GreenSeeker-based nutrient management than under 125 % RDF. The indigenous supplies of N, P, and K were found to be 14.31, 3.00, and 18.51 kg ha −1 , respectively. Thus, 100 % of the recommended P and K + 30 kg ha −1 N as basal + rest N according to GreenSeeker readings can improve the yield, nutrient use efficiency, and energy balance of finger millet in calcareous soils.
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Claims 12
Claim · model-written summary
GreenSeeker management produced the maximum grain yield of 2873 kg ha −1.
- Taxon
- Finger millet
Eleusine coracanat0 - Treatment
- GreenSeeker-based SSNMe0
- Outcome
- grain yielde0
- Direction
- maximume0
- Value
- 2873 kg ha −1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GreenSeeker-based SSNM resulted in the maximum grain yield (2873 kg ha −1 )”
t0“finger millet”
Claim · model-written summary
GreenSeeker management produced the maximum net output energy of 96.3 GJ ha −1.
- Taxon
- finger milletEleusine coracanat0
- Outcome
- net output energye0
- Value
- 96.3 GJ ha −1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“net output energy (96.3 GJ ha −1 )”
t0“finger millet”
Claim · model-written summary
GreenSeeker management attained N agronomic efficiency of 30.6 kg kg −1.
- Taxon
- finger milletEleusine coracanat0
- Outcome
- agronomic efficiency of Ne0
- Value
- 30.6 kg kg −1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“agronomic efficiency of N (30.6 kg kg −1 )”
t0“finger millet”
Claim · model-written summary
GreenSeeker management attained P agronomic efficiency of 68.9 kg kg −1.
- Taxon
- finger milletEleusine coracanat0
- Outcome
- Pe0
- Value
- 68.9 kg kg −1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P (68.9 kg kg −1 )”
t0“finger millet”
Claim · model-written summary
GreenSeeker management attained K agronomic efficiency of 68.9 kg kg −1.
- Taxon
- finger milletEleusine coracanat0
- Outcome
- Ke0
- Value
- 68.9 kg kg −1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“K (68.9 kg kg −1 )”
t0“finger millet”
Claim · model-written summary
The 125 % RFD treatment yielded about 7 % less than GreenSeeker nutrient management.
- Taxon
- finger milletEleusine coracanat0
- Treatment
- 125 % RFDe0
- Outcome
- yielde0
- Direction
- lowere0
- Value
- ∼7 %e0
- Comparator
- GreenSeeker-based nutrient managemente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of 125 % RFD resulted in ∼7 % lower yield than that under GreenSeeker-based nutrient management.”
t0“finger millet”
Claim · model-written summary
GreenSeeker management improved energy use efficiency by approximately 12 % relative to 125 % RDF.
- Taxon
- finger milletEleusine coracanat0
- Treatment
- GreenSeeker-based nutrient managemente0
- Outcome
- energy use efficiencye0
- Direction
- greatere0
- Value
- 12 %e0
- Comparator
- 125 % RDFe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Approximately 12 % greater energy use efficiency and 21–36 % greater nutrient use efficiency were recorded under GreenSeeker-based nutrient management than under 125 % RDF.”
t0“finger millet”
Claim · model-written summary
GreenSeeker management improved nutrient use efficiency by 21–36 % relative to 125 % RDF.
- Taxon
- finger milletEleusine coracanat0
- Treatment
- GreenSeeker-based nutrient managemente0
- Outcome
- nutrient use efficiencye0
- Direction
- greatere0
- Value
- 21–36 %e0
- Comparator
- 125 % RDFe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Approximately 12 % greater energy use efficiency and 21–36 % greater nutrient use efficiency were recorded under GreenSeeker-based nutrient management than under 125 % RDF.”
t0“finger millet”
Claim · model-written summary
Indigenous N supply was 14.31 kg ha −1.
- Taxon
- finger milletEleusine coracanat0
- Outcome
- indigenous supplies of Ne0
- Value
- 14.31e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The indigenous supplies of N, P, and K were found to be 14.31, 3.00, and 18.51 kg ha −1 , respectively.”
t0“finger millet”
Claim · model-written summary
Indigenous P supply was 3.00 kg ha −1.
- Taxon
- finger milletEleusine coracanat0
- Outcome
- indigenous supplies of N, P, and Ke0
- Value
- 3.00e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The indigenous supplies of N, P, and K were found to be 14.31, 3.00, and 18.51 kg ha −1 , respectively.”
t0“finger millet”
Claim · model-written summary
Indigenous K supply was 18.51 kg ha −1.
- Taxon
- finger milletEleusine coracanat0
- Outcome
- indigenous supplies of N, P, and Ke0
- Value
- 18.51e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The indigenous supplies of N, P, and K were found to be 14.31, 3.00, and 18.51 kg ha −1 , respectively.”
t0“finger millet”
Claim · model-written summary
The authors conclude that GreenSeeker directed N with recommended P and K can improve yield, nutrient efficiency and energy balance.
- Taxon
- finger milletEleusine coracanae0
- Treatment
- 100 % of the recommended P and K + 30 kg ha −1 N as basal + rest N according to GreenSeeker readingse0
- Outcome
- yield, nutrient use efficiency, and energy balancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“100 % of the recommended P and K + 30 kg ha −1 N as basal + rest N according to GreenSeeker readings can improve the yield, nutrient use efficiency, and energy balance of finger millet in calcareous soils.”
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4 papers in the same direction as this paper
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- positive
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See all 5 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.