Abstract
A long-term experiment with sorghum (cv CSH-9) and green gram (cv ML- 267) as test crops was conducted at Hayathnagar Research Farm of Central Research Institute for Dryland Agriculture, Hyderabad, with the objective to identify effective Integrated Nutrient Management (INM) treatments and to enhance organic matter in dryland soils. The experiment was laid in a strip plot design with two tillage (conventional (CT) and reduced (RT)) and five INM treatments (control, 40 kg N through urea, 4 t compost + 20 kg N, 2 t Gliricidia loppings + 20 kg N and 4 t compost + 2 t Gliricidia loppings) Based on the five- year experimental data, it was found that, conventional tillage maintained 14.5 % higher sorghum grain yield compared to reduced tillage. The two INM treatments, 2 t gliricidia loppings + 20 kg N, and 4 t compost + 20 kg N were found to be most effective in increasing the sorghum grain yield by 84.62 and 77.7 percent over control. In case of green gram, 2 t compost + 1 t gliricidia loppings followed by 2 t compost + 10 kg N were found most promising in increasing the greengram grain yield by 51.6 % and 50.8 % over control respectively. Results clearly indicated that 50 % of N demand of sorghum and green gram could be met through farm-based organic materials like compost or Gliricidia maculata loppings under CT and RT. Among the treatments, highest agronomic efficiency was observed in 2 t gliricidia loppings + 20 kg N (20.32 kg grain kg N -1 ) followed by 40 kg N through urea (18.61 kg grain kg N -1 ) in case of sorghum. For green gram, the highest agronomic efficiency was (13.75 kg grain kg -1 N) observed in 2 t compost + 1 t Gliricidia loppings treatment followed by 2 t compost +10 kg N (13.56 kg grain kg -1 N). Reduced tillage maintained significantly higher organic carbon content (0.74 %) compared to conventional tillage (0.71 %). Highest amount (0.82 %) of organic carbon content was recorded in 4 t compost + 2 t Gliricidia loppings treatment. Other soil parameters such as available N content, DTPA extractable iron and copper contents, and dehydrogenase activity were also significantly influenced by INM treatments studied.
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Claims 11
Claim · model-written summary
Conventional tillage raised sorghum grain yield 14.5% over reduced tillage.
- Treatment
- conventional tillagee0
- Outcome
- grain yielde0
- Direction
- highere0
- Value
- 14.5 %e0
- Comparator
- reduced tillagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“conventional tillage maintained 14.5 % higher sorghum grain yield compared to reduced tillage.”
Claim · model-written summary
Gliricidia loppings plus nitrogen raised sorghum grain yield 84.62 percent over control.
- Treatment
- 2 t gliricidia loppings + 20 kg Ne0
- Outcome
- grain yielde0
- Direction
- increasinge0
- Value
- 84.62e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The two INM treatments, 2 t gliricidia loppings + 20 kg N, and 4 t compost + 20 kg N were found to be most effective in increasing the sorghum grain yield by 84.62 and 77.7 percent over control.”
Claim · model-written summary
Compost plus nitrogen raised sorghum grain yield 77.7 percent over control.
- Treatment
- 4 t compost + 20 kg Ne0
- Outcome
- grain yielde0
- Direction
- increasinge0
- Value
- 77.7 percente0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The two INM treatments, 2 t gliricidia loppings + 20 kg N, and 4 t compost + 20 kg N were found to be most effective in increasing the sorghum grain yield by 84.62 and 77.7 percent over control.”
Claim · model-written summary
Compost and Gliricidia raised greengram grain yield 51.6% over control.
- Taxon
- greengram
.jpg?width=60)
Vigna radiata var. radiatae0 - Treatment
- 2 t compost + 1 t gliricidia loppingse0
- Outcome
- grain yielde0
- Direction
- increasinge0
- Value
- 51.6 %e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“In case of green gram, 2 t compost + 1 t gliricidia loppings followed by 2 t compost + 10 kg N were found most promising in increasing the greengram grain yield by 51.6 % and 50.8 % over control respectively.”
Claim · model-written summary
Compost plus nitrogen raised greengram grain yield 50.8% over control.
- Taxon
- greengramVigna radiata var. radiatae0
- Treatment
- 2 t compost + 10 kg Ne0
- Outcome
- grain yielde0
- Direction
- increasinge0
- Value
- 50.8 %e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In case of green gram, 2 t compost + 1 t gliricidia loppings followed by 2 t compost + 10 kg N were found most promising in increasing the greengram grain yield by 51.6 % and 50.8 % over control respectively.”
Claim · model-written summary
Farm-based organic materials could meet half of nitrogen demand for sorghum and green gram under either tillage.
- Taxon
- sorghum and green gramVigna radiata var. radiata
Sorghume0 - Outcome
- N demande0
- Value
- 50 %e0
- Qualifier
- under CT and RTe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results clearly indicated that 50 % of N demand of sorghum and green gram could be met through farm-based organic materials like compost or Gliricidia maculata loppings under CT and RT.”
Claim · model-written summary
Gliricidia loppings plus nitrogen achieved the highest sorghum agronomic efficiency.
- Treatment
- 2 t gliricidia loppings + 20 kg Ne0
- Outcome
- agronomic efficiencye0
- Direction
- higheste0
- Value
- 20.32 kg grain kg N -1e0
- Qualifier
- 18.61 kg grain kg N -1e0
- Comparator
- 40 kg N through ureae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the treatments, highest agronomic efficiency was observed in 2 t gliricidia loppings + 20 kg N (20.32 kg grain kg N -1 ) followed by 40 kg N through urea (18.61 kg grain kg N -1 ) in case of sorghum.”
Claim · model-written summary
Compost with Gliricidia achieved the highest greengram agronomic efficiency.
- Taxon
- green gramVigna radiata var. radiatae0
- Treatment
- 2 t compost + 1 t Gliricidia loppings treatmente0
- Outcome
- agronomic efficiencye0
- Direction
- higheste0
- Value
- 13.75 kg grain kg -1 Ne0
- Qualifier
- 13.56 kg grain kg -1 Ne0
- Comparator
- 2 t compost +10 kg Ne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For green gram, the highest agronomic efficiency was (13.75 kg grain kg -1 N) observed in 2 t compost + 1 t Gliricidia loppings treatment followed by 2 t compost +10 kg N (13.56 kg grain kg -1 N).”
Claim · model-written summary
Reduced tillage had significantly higher soil organic carbon than conventional tillage.
- Treatment
- Reduced tillagee0
- Outcome
- organic carbon contente0
- Direction
- highere0
- Value
- 0.74 %e0
- Qualifier
- 0.71 %e0
- Comparator
- conventional tillagee0
Not reportedTaxon
Verbatim
e0“Reduced tillage maintained significantly higher organic carbon content (0.74 %) compared to conventional tillage (0.71 %).”
Claim · model-written summary
Compost plus Gliricidia produced the highest soil organic carbon amount.
- Treatment
- 4 t compost + 2 t Gliricidia loppings treatmente0
- Outcome
- organic carbon contente0
- Direction
- Higheste0
- Value
- 0.82 %e0
Not reportedTaxonComparator
Verbatim
e0“Highest amount (0.82 %) of organic carbon content was recorded in 4 t compost + 2 t Gliricidia loppings treatment.”
Claim · model-written summary
Nutrient treatments significantly influenced soil nitrogen, iron, copper and dehydrogenase activity.
- Treatment
- INM treatmentse0
- Outcome
- available N content, DTPA extractable iron and copper contents, and dehydrogenase activitye0
Not reportedTaxonComparatorDirection
Verbatim
e0“Other soil parameters such as available N content, DTPA extractable iron and copper contents, and dehydrogenase activity were also significantly influenced by INM treatments studied.”
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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.