Abstract
A field experiment was conducted during 200912 at Pusa, Bihar to study the effect of bio-compost and zinc (Zn) levels on productivity, quality and soil health of BO 137 spring sugarcane (Saccharum species hybrid com- plex) grown in Calciorthent, rich in free calcium carbonate. Application of recommended dose fertilizer (RDF) along with bio-compost and graded levels of Zn (2.5, 5.0, 7.5 and 10 kg/ha) significantly increased cane length, single cane weight, number of tillers and millable canes over the control. Combination of 100% NPK along with bio-compost @ 20 t/ha and 10 kg Zn/ha resulted in the highest cane yield (83.73 t/ha) and sugar yield (10.13 t/ha), being at par with treatment receiving RDF along with bio-compost either 5.0 or 7.5 kg Zn /ha but significantly supe- rior to plots treated with organic/inorganic only. Application of 100% NPK + bio-compost @ 20 t/ha + 7.5 Zn kg/ha was found optimum for getting higher cane/sugar yield and substituting 25% Zn sulphate in sugarcane production system. Brix and sucrose per cent of juice increased significantly with the bio-compost either alone or in combina- tion with inorganic fertilizer. The uptake of nutrients followed the similar trend as cane yield. The addition of or- ganic manure was found beneficial on Zn uptake in particular, Fe, Mn and Cu in general. Application of bio-com- post alone or in combination with inorganic fertilizer resulted in significant reduced pH, but increase in electrical conductivity, organic carbon and available macro and micronutrients content of post-harvest soil. Organic carbon content of post-harvest soil increased by 29.6% in bio-compost treated plot. Bio-compost addition significantly re- duced bulk density (0.09 to 0.17 units) from control. Increase in water infiltration rate, hydraulic conductivity and soil aggregates and decrease in bulk density were observed, indicating significant improvement in physical condi- tion of post-harvest soil. The hydraulic conductivity ranged from 0.19 to 0.24 cm/hr and water infiltration rate from 0.22 to 0.36 cm/hr. However, addition of inorganic fertilizer alone showed net negative balance of available nutri- ents and deterioration in physical condition of soil compared with initial value.
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Claims 18
Claim · model-written summary
Fertilizer with bio-compost and zinc significantly increased cane length, weight, tillers and millable canes over control.
Verbatim
e0“Application of recommended dose fertilizer (RDF) along with bio-compost and graded levels of Zn (2.5, 5.0, 7.5 and 10 kg/ha) significantly increased cane length, single cane weight, number of tillers and millable canes over the control”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
The 100% NPK, compost and 10 kg Zn/ha combination produced highest cane yield of 83.73 t/ha.
- Treatment
- 100% NPK along with bio-compost @ 20 t/ha and 10 kg Zn/hae0
- Outcome
- cane yielde0
- Direction
- higheste0
- Value
- 83.73 t/hae0
Not reportedTaxonComparator
Verbatim
e0“Combination of 100% NPK along with bio-compost @ 20 t/ha and 10 kg Zn/ha resulted in the highest cane yield (83.73 t/ha)”
Claim · model-written summary
The 100% NPK, compost and 10 kg Zn/ha combination produced highest sugar yield of 10.13 t/ha.
- Taxon
- sugarcanee1
- Treatment
- 100% NPK along with bio-compost @ 20 t/ha and 10 kg Zn/hae0
- Outcome
- sugar yielde0
- Direction
- higheste0
- Value
- 10.13 t/hae0
Not reportedComparator
Verbatim
e0“Combination of 100% NPK along with bio-compost @ 20 t/ha and 10 kg Zn/ha resulted in the highest cane yield (83.73 t/ha) and sugar yield (10.13 t/ha)”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
The highest yield treatment was at par with RDF plus compost and 5.0 or 7.5 kg Zn/ha.
Verbatim
e0“being at par with treatment receiving RDF along with bio-compost either 5.0 or 7.5 kg Zn /ha”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
The highest yield treatment significantly exceeded organic or inorganic fertilizer alone.
Verbatim
e0“significantly supe- rior to plots treated with organic/inorganic only”
e1“100% NPK along with bio-compost @ 20 t/ha and 10 kg Zn/ha”
e2“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Authors identify 100% NPK plus compost and 7.5 Zn kg/ha as optimum for higher cane and sugar yields and 25% Zn sulphate substitution.
Verbatim
e0“Application of 100% NPK + bio-compost @ 20 t/ha + 7.5 Zn kg/ha was found optimum for getting higher cane/sugar yield and substituting 25% Zn sulphate in sugarcane production system”
Claim · model-written summary
Bio-compost alone or with inorganic fertilizer significantly increased juice Brix and sucrose percentage.
- Taxon
- sugarcanee1
- Treatment
- bio-compost either alone or in combina- tion with inorganic fertilizere0
- Outcome
- Brix and sucrose per cent of juicee0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“Brix and sucrose per cent of juice increased significantly with the bio-compost either alone or in combina- tion with inorganic fertilizer”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Nutrient uptake followed the same trend as cane yield.
Not reportedDirection
Verbatim
e0“The uptake of nutrients followed the similar trend as cane yield”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Organic manure benefited Zn uptake.
Not reportedComparator
Verbatim
e0“The addition of or- ganic manure was found beneficial on Zn uptake in particular, Fe, Mn and Cu in general”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Organic manure benefited Fe, Mn and Cu uptake.
Not reportedComparator
Verbatim
e0“The addition of or- ganic manure was found beneficial on Zn uptake in particular, Fe, Mn and Cu in general”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Bio-compost significantly reduced postharvest soil pH.
- Taxon
- sugarcanee1
- Treatment
- bio-com- post alone or in combination with inorganic fertilizere0
- Outcome
- pHe0
- Direction
- reducede0
Not reportedComparator
Verbatim
e0“bio-com- post alone or in combination with inorganic fertilizer resulted in significant reduced pH”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Bio-compost increased postharvest soil electrical conductivity, organic carbon and available nutrients.
- Taxon
- sugarcanee2
- Treatment
- bio-com- post alone or in combination with inorganic fertilizere1
- Outcome
- electrical conductivity, organic carbon and available macro and micronutrients content of post-harvest soile0
- Direction
- increasee0
Not reportedComparator
Verbatim
e0“increase in electrical conductivity, organic carbon and available macro and micronutrients content of post-harvest soil”
e1“bio-com- post alone or in combination with inorganic fertilizer”
e2“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Bio-compost increased postharvest soil organic carbon by 29.6%.
- Taxon
- sugarcanee1
- Treatment
- bio-composte0
- Outcome
- Organic carbon content of post-harvest soile0
- Direction
- increasede0
- Value
- 29.6%e0
Not reportedComparator
Verbatim
e0“Organic carbon content of post-harvest soil increased by 29.6% in bio-compost treated plot”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Bio-compost significantly reduced soil bulk density by 0.09 to 0.17 units from control.
Verbatim
e0“Bio-compost addition significantly re- duced bulk density (0.09 to 0.17 units) from control”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Bio-compost increased water infiltration, hydraulic conductivity and soil aggregates.
- Taxon
- sugarcanee2
- Treatment
- Bio-composte1
- Outcome
- water infiltration rate, hydraulic conductivity and soil aggregatese0
- Direction
- Increasee0
Not reportedComparator
Verbatim
e0“Increase in water infiltration rate, hydraulic conductivity and soil aggregates”
e1“Bio-compost addition”
e2“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Hydraulic conductivity ranged from 0.19 to 0.24 cm/hr.
Verbatim
e0“hydraulic conductivity ranged from 0.19 to 0.24 cm/hr”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Water infiltration rate ranged from 0.22 to 0.36 cm/hr.
Verbatim
e0“water infiltration rate from 0.22 to 0.36 cm/hr”
e1“sugarcane (Saccharum species hybrid complex)”
Claim · model-written summary
Inorganic fertilizer alone caused a negative nutrient balance and deterioration of soil physical condition against initial values.
Verbatim
e0“addition of inorganic fertilizer alone showed net negative balance of available nutri- ents and deterioration in physical condition of soil compared with initial value”
e1“sugarcane (Saccharum species hybrid complex)”
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