Abstract
An experiment was conducted to study the efficiency of cyanobacterial biofertilizer (CBB) with chemical (NPK) fertilizer on quantitative and qualitative characters of mulberry variety Kanva-2. Their influences on silkworm growth and cocoon characters were also studied. Ten different CBB and NPK fertilizer treatments were given to 5000 plants of established mulberry garden. Treatments were of four types viz., (i) T1 to T7: single and combination dose of CBB+50% NPK (ii) T8: combination dose of CBB + 25%NPK, (iii) T9: CBB only and (iv) T10: control-l00% NPK. Soil pH decreased and nutrients status increased in CBB (T1- T9) treated plots. Average of ten crops data on quantitative traits revealed that T7 (CBB [N. muscorum (1.0 g), A. variahilis (1.0) and S. millei (1.0 g)] + 50% NPK) was very effective in improving growth parameters. Leaf yield was also found high in treatment T7 (32.12 tons/ha/yr.) followed by T10 (31.17 tons/ha/yr.) and T8 (27.67 tons/ha/yr.). Leaf quality characters were found high in T7 and low in T9. Most of the quality traits in T7 are on par with control no. The results revealed that reduction in the dose of chemical fertilizers in T7 did not affect the leaf yield and leaf quality traits of mulberry. This clearly indicates that the efficiency of CBB (T7) provides nitrogen, increases essential nutrients available in soil, maintain soil pH and supply growth substances required for the improvement of leaf yield and leaf quality of mulberry. Bioassay study also revealed no significant difference in silkworm growth and cocoon characters between treatments T7 and T10. Economics calculated revealed that T7 is highly economical and beneficial over T10 by gaining an amount of Rs. 660/-/acre/crop. Thus, treatment T7 containing N. muscorum (1.0 g), A. variahilis (1.0 g) and S. millei (1.0 g) + 50% NPK fertilizers can be recommended to sericulturists mainly to reduce the use of NPK fertilizers, by saving 50% of its cost and to improve soil fertility conditions, which in turn improves leaf yield and quality of mulberry.
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Claims 13
Claim · model-written summary
CBB treatments decreased soil pH.
Not reportedComparator
Verbatim
e0“Soil pH decreased and nutrients status increased in CBB (T1- T9) treated plots.”
t0“Mulberry”
Claim · model-written summary
CBB treatments increased soil nutrient status.
Not reportedComparator
Verbatim
e0“Soil pH decreased and nutrients status increased in CBB (T1- T9) treated plots.”
t0“Mulberry”
Claim · model-written summary
T7 improved mulberry growth parameters.
- Taxon
- mulberryt0
- Treatment
- T7 (CBB [N. muscorum (1.0 g), A. variahilis (1.0) and S. millei (1.0 g)] + 50% NPK)e0
- Outcome
- growth parameterse0
- Direction
- improvinge0
Not reportedComparator
Verbatim
e0“T7 (CBB [N. muscorum (1.0 g), A. variahilis (1.0) and S. millei (1.0 g)] + 50% NPK) was very effective in improving growth parameters.”
t0“Mulberry”
Claim · model-written summary
T7 gave mulberry leaf yield of 32.12 tons/ha/yr.
Verbatim
e0“Leaf yield was also found high in treatment T7 (32.12 tons/ha/yr.) followed by T10 (31.17 tons/ha/yr.) and T8 (27.67 tons/ha/yr.).”
t0“Mulberry”
Claim · model-written summary
T10 gave mulberry leaf yield of 31.17 tons/ha/yr.
Verbatim
e0“Leaf yield was also found high in treatment T7 (32.12 tons/ha/yr.) followed by T10 (31.17 tons/ha/yr.) and T8 (27.67 tons/ha/yr.).”
t0“Mulberry”
Claim · model-written summary
T8 gave mulberry leaf yield of 27.67 tons/ha/yr.
Verbatim
e0“Leaf yield was also found high in treatment T7 (32.12 tons/ha/yr.) followed by T10 (31.17 tons/ha/yr.) and T8 (27.67 tons/ha/yr.).”
t0“Mulberry”
Claim · model-written summary
Leaf quality was high under T7.
Verbatim
e0“Leaf quality characters were found high in T7 and low in T9.”
t0“Mulberry”
Claim · model-written summary
Leaf quality was low under T9.
Verbatim
e0“Leaf quality characters were found high in T7 and low in T9.”
t0“Mulberry”
Claim · model-written summary
Most T7 quality traits were on par with control.
Verbatim
e0“Most of the quality traits in T7 are on par with control no.”
t0“Mulberry”
Claim · model-written summary
Reduced chemical fertilizer in T7 did not affect mulberry leaf yield or quality.
- Taxon
- mulberrye0
- Treatment
- reduction in the dose of chemical fertilizers in T7e0
- Outcome
- leaf yield and leaf quality traitse0
- Direction
- did not affecte0
Not reportedComparator
Verbatim
e0“reduction in the dose of chemical fertilizers in T7 did not affect the leaf yield and leaf quality traits of mulberry.”
Claim · model-written summary
Silkworm growth and cocoon traits did not differ significantly between T7 and T10.
- Taxon
- mulberryt0
- Treatment
- T7e0
- Interactor
- silkworm
Bombyx morie0other - Outcome
- silkworm growth and cocoon characterse0
- Direction
- no significant differencee0
- Comparator
- T10e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant difference in silkworm growth and cocoon characters between treatments T7 and T10.”
t0“Mulberry”
Claim · model-written summary
T7 exceeded T10 economically by Rs. 660/-/acre/crop.
Verbatim
e0“T7 is highly economical and beneficial over T10 by gaining an amount of Rs. 660/-/acre/crop.”
t0“Mulberry”
Claim · model-written summary
Authors recommend T7 to reduce NPK cost and improve mulberry leaf production and soil fertility.
Verbatim
e0“treatment T7 containing N. muscorum (1.0 g), A. variahilis (1.0 g) and S. millei (1.0 g) + 50% NPK fertilizers can be recommended to sericulturists mainly to reduce the use of NPK fertilizers, by saving 50% of its cost and to improve soil fertility conditions, which in turn improves leaf yield and quality of mulberry.”
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