Abstract
Abstract To study the response of inorganic and organic nitrogen (N) sources both alone and in conjunction and their influence on soil quality, a field experiment was conducted during kharif and rabi seasons using sunflower (MSFH‐8) as test crop. The experimental site soil was Typic Haplustalf situated at Hayatnagar Research Farm of Central Research Institute of Dryland Agriculture, Hyderabad, India, at 17° 18′ N latitude, 78° 36′ E longitude. The experiment design was a simple randomized block design with 11 treatments replicated four times. Among all the treatments, vermicompost (VC)+Fert at 25+25 kg N ha−1 recorded the highest grain yields of 1878 and 2160 kg ha−1 during both kharif and rabi seasons, respectively, which were 43.9 and 85.1% higher than their respective control plots. Apparent N recovery varied from as little as 38.30% (FYM at 50 kg N ha−1) to 62.16 (25 kg N ha−1) during kharif and 49.65 (75 kg ha−1) to 83.28% (VC+Fert at 25+25 kg N ha−1) during rabi season. Conjunctive nutrient treatments proved quite superior to other set of treatments in improving the uptake of N, phosphorus (P), potassium (K), sulfur (S), and micronutrients in sunflower and their buildup in the soil. Highest relative soil quality indexes (RSQI) were observed under VC+Fert at 25+25 kg N ha−1 (1.00) followed by VC+Gly at 25+25 kg N ha−1 (0.87). Considering the yield and relative soil quality indices (RSQI), conjunctive applications of VC with either inorganic fertilizer, FYM, or Gly at 25+25 kg N ha−1 could be a successful and sustainable soil nutrient management practice in semi‐arid tropical Alfisols. Besides this, the fertilizer N demand could be reduced up to 50%.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. 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 9
Claim · model-written summary
VC+Fert at 25+25 kg N ha−1 gave the highest sunflower grain yield, 43.9 and 85.1% higher than control plots in kharif and rabi seasons.
- Taxon
- Sunflower
Helianthus annuust0 - Treatment
- vermicompost (VC)+Fert at 25+25 kg N ha−1e1
- Outcome
- grain yieldse1
- Direction
- highere1
- Value
- 43.9 and 85.1%e1
- Comparator
- control plotse1
- Setting
- kharif and rabi seasonse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“vermicompost (VC)+Fert at 25+25 kg N ha−1 recorded the highest grain yields of 1878 and 2160 kg ha−1 during both kharif and rabi seasons, respectively, which were 43.9 and 85.1% higher than their respective control plots”
t0“Sunflower Yield”
Claim · model-written summary
Apparent N recovery in kharif ranged from 38.30% under FYM at 50 kg N ha−1 to 62.16 under 25 kg N ha−1.
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- FYM at 50 kg N ha−1e2
- Outcome
- Apparent N recoverye2
- Value
- 38.30%e2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Apparent N recovery varied from as little as 38.30% (FYM at 50 kg N ha−1) to 62.16 (25 kg N ha−1) during kharif”
t0“Sunflower Yield”
Claim · model-written summary
Apparent N recovery in rabi reached 83.28% under VC+Fert at 25+25 kg N ha−1.
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- VC+Fert at 25+25 kg N ha−1e3
- Outcome
- Apparent N recoverye2
- Value
- 83.28%e3
- Setting
- rabi seasone3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“49.65 (75 kg ha−1) to 83.28% (VC+Fert at 25+25 kg N ha−1) during rabi season”
e2“Apparent N recovery varied from as little as 38.30% (FYM at 50 kg N ha−1) to 62.16 (25 kg N ha−1) during kharif”
t0“Sunflower Yield”
Claim · model-written summary
Conjunctive nutrient treatments were quite superior to other treatments in improving uptake of N, P and K by sunflower.
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- Conjunctive nutrient treatmentse4
- Outcome
- uptake of N, phosphorus (P), potassium (K)e4
- Direction
- quite superiore4
- Comparator
- other set of treatmentse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Conjunctive nutrient treatments proved quite superior to other set of treatments in improving the uptake of N, phosphorus (P), potassium (K), sulfur (S), and micronutrients in sunflower and their buildup in the soil”
t0“Sunflower Yield”
Claim · model-written summary
Conjunctive nutrient treatments were quite superior to other treatments in improving sulfur and micronutrient uptake by sunflower.
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- Conjunctive nutrient treatmentse4
- Outcome
- sulfur (S), and micronutrientse4
- Direction
- quite superiore4
- Comparator
- other set of treatmentse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Conjunctive nutrient treatments proved quite superior to other set of treatments in improving the uptake of N, phosphorus (P), potassium (K), sulfur (S), and micronutrients in sunflower and their buildup in the soil”
t0“Sunflower Yield”
Claim · model-written summary
VC+Fert at 25+25 kg N ha−1 had the highest relative soil quality index (1.00).
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- VC+Fert at 25+25 kg N ha−1e5
- Outcome
- relative soil quality indexes (RSQI)e5
- Direction
- Higheste5
- Value
- 1.00e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Highest relative soil quality indexes (RSQI) were observed under VC+Fert at 25+25 kg N ha−1 (1.00) followed by VC+Gly at 25+25 kg N ha−1 (0.87)”
t0“Sunflower Yield”
Claim · model-written summary
VC+Gly at 25+25 kg N ha−1 had the next highest relative soil quality index (0.87).
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- VC+Gly at 25+25 kg N ha−1e5
- Outcome
- relative soil quality indexes (RSQI)e5
- Value
- 0.87e5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Highest relative soil quality indexes (RSQI) were observed under VC+Fert at 25+25 kg N ha−1 (1.00) followed by VC+Gly at 25+25 kg N ha−1 (0.87)”
t0“Sunflower Yield”
Claim · model-written summary
Conjunctive applications of VC with inorganic fertilizer, FYM or Gly at 25+25 kg N ha−1 are recommended as a sustainable soil nutrient management practice.
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- conjunctive applications of VC with either inorganic fertilizer, FYM, or Gly at 25+25 kg N ha−1e6
- Outcome
- soil nutrient management practicee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Conjunctive applications of VC with either inorganic fertilizer, FYM, or Gly at 25+25 kg N ha−1 could be a successful and sustainable soil nutrient management practice”
t0“Sunflower Yield”
Claim · model-written summary
Fertilizer N demand could be reduced by up to 50%.
- Taxon
- SunflowerHelianthus annuust0
- Outcome
- fertilizer N demande7
- Direction
- reducede7
- Value
- 50%e7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“the fertilizer N demand could be reduced up to 50%”
t0“Sunflower Yield”
The same questions in other papers
nitrogen · yield · Helianthus annuus (common sunflower)Positive and negative results
181 papers in the same direction as this paper · 10 in the opposite direction · 4 reporting no difference from an alternative
- negative
- positive
- positive
192 papers more in this group
See all 196 papers →fertilization · yield · Helianthus annuus (common sunflower)Positive and negative results
343 papers in the same direction as this paper · 18 in the opposite direction · 3 reporting no difference from an alternative
- positive
- positive
- positive
361 papers more in this group
See all 365 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.