Abstract
A field experiment was conducted at Breeder Seed Production farm of Mahatma Phule Krishi Vidyapeeth, Rahuri, during the rainy ( kharif) seasons of 2011 and 2012, to find out most efficient and economic combination of different organic and inorganic sources of nutrients to increase the productivity of hybrid maize ( Zea mays L.) with- out deteriorating the soil qualities. Integrated application of 25% recommended dose of fertilizers (RDF) with biofertilizers ( Azotobacter chroococcum + phosphate-solubilizing bacteria), green-manuring with sunhemp ( Crotalaria juncea L.) and incorporation of compost @ 10 tonnes/ha improved soil physico-chemical properties, viz. pH, bulk density and infiltration rate, and the nutrient status of soil in respect of organic carbon, available N and available P. Maize grain yield was increased by 252.38% over the control and 147.62% over application of 100% RDF with combined use of organic and inorganic fertilizers, which was 7.4 tonnes/ha with highest gross re- turns ( 95.9 103/ha) and net returns ( 54.2 103/ha). Maximum benefit: cost ratio (1.30) was also observed in combined use of 25% RDF, compost, biofertilizers and green manuring and it was followed by application of 100% RDF (1.26), which was responsible for deterioration of nutrient status of soil.
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Claims 10
Claim · model-written summary
Integrated fertilizer, biofertilizer, sunhemp and compost application improved soil physical and chemical properties.
- Treatment
- Integrated application of 25% recommended dose of fertilizers (RDF) with biofertilizers ( Azotobacter chroococcum + phosphate-solubilizing bacteria), green-manuring with sunhemp ( Crotalaria juncea L.) and incorporation of compost @ 10 tonnes/hae0
- Interactor
- Azotobacter chroococcumAzotobacter chroococcume0symbiont
- Outcome
- soil physico-chemical properties, viz. pH, bulk density and infiltration ratee0
- Direction
- improvede0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Integrated application of 25% recommended dose of fertilizers (RDF) with biofertilizers ( Azotobacter chroococcum + phosphate-solubilizing bacteria), green-manuring with sunhemp ( Crotalaria juncea L.) and incorporation of compost @ 10 tonnes/ha improved soil physico-chemical properties, viz. pH, bulk density and infiltration rate”
Claim · model-written summary
The integrated treatment improved soil organic carbon and available N and P.
- Outcome
- nutrient status of soil in respect of organic carbon, available N and available Pe0
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“and the nutrient status of soil in respect of organic carbon, available N and available P”
Claim · model-written summary
Combined organic and inorganic fertilizers increased maize grain yield by 252.38% over control.
- Treatment
- combined use of organic and inorganic fertilizerse0
- Outcome
- Maize grain yielde0
- Direction
- increasede0
- Value
- 252.38%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Maize grain yield was increased by 252.38% over the control and 147.62% over application of 100% RDF with combined use of organic and inorganic fertilizers”
Claim · model-written summary
Combined organic and inorganic fertilizers increased maize grain yield by 147.62% over 100% RDF.
- Treatment
- combined use of organic and inorganic fertilizerse0
- Outcome
- Maize grain yielde0
- Direction
- increasede0
- Value
- 147.62%e0
- Comparator
- application of 100% RDFe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Maize grain yield was increased by 252.38% over the control and 147.62% over application of 100% RDF with combined use of organic and inorganic fertilizers”
Claim · model-written summary
The combined treatment yielded 7.4 tonnes/ha.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“which was 7.4 tonnes/ha with highest gross re- turns ( 95.9 103/ha) and net returns ( 54.2 103/ha)”
Claim · model-written summary
The combined treatment had the highest gross returns of 95.9 103/ha.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“highest gross re- turns ( 95.9 103/ha) and net returns ( 54.2 103/ha)”
Claim · model-written summary
The combined treatment had the highest net returns of 54.2 103/ha.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“highest gross re- turns ( 95.9 103/ha) and net returns ( 54.2 103/ha)”
Claim · model-written summary
The combined treatment had the maximum benefit:cost ratio of 1.30.
- Treatment
- combined use of 25% RDF, compost, biofertilizers and green manuringe0
- Outcome
- benefit: cost ratioe0
- Direction
- Maximume0
- Value
- 1.30e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Maximum benefit: cost ratio (1.30) was also observed in combined use of 25% RDF, compost, biofertilizers and green manuring”
Claim · model-written summary
The 100% RDF treatment had a benefit:cost ratio of 1.26.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“followed by application of 100% RDF (1.26), which was responsible for deterioration of nutrient status of soil”
Claim · model-written summary
Application of 100% RDF deteriorated soil nutrient status.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“application of 100% RDF (1.26), which was responsible for deterioration of nutrient status of soil”
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