Abstract
In recent years, biofertilisers have emerged as a promising component of an in- tegrated nutrient supply system in agriculture. The objective of this study was to examine the influence of selected biofertilisers on the vegetative growth, the content of N, P2O5 and K2O in the leaves and stems, and on the physiological parameters of pepper of the va- riety of 'Sofiiska Kapiya' cultivated under organic agriculture conditions. This experi- ment was carried out from 2009 to 2011 on the experimental fields of the Agroecological Centre at the Agricultural University-Plovdiv (Bulgaria), situated on the territory of a cer- tified ecological farm. The study included the following biofertilisers - Boneprot, Lum- brical, Baikal EM Effective Microorganisms, Emosan, and Bio One. The results of the biometric measurements of the average plant height at the end of the vegetative period showed the highest values for the variant treated with Emosan on the Boneprot basic fer- tilisation (62.60 cm - 2009; 64.80 cm - 2010, and 63.87 cm - 2011). Upon feeding with the biofertilisers Emosan and Baikal EM on basic fertilisation with Boneprot (2009, 2010 and 2011) at the pepper mass fruit yield stage, plants showed higher values of net photosynthesis (PN) that were also similar to the high values observed in the flower bud stage. The highest intensity of transpiration (�? ) was observed for the variants treated with the biofertilisers Baikal EM (2009 and 2011) and Emosan (2010) on basic fertilisation with Boneprot. It was concluded that the feeding with Emosan stimulated the vegetative growth of the pepper plants due to the high concentrations of nutrient-providing proteins contained in this biofertiliser. The results showed that biofertilisers do not significantly impact the P content of the pepper leaves and stems, but changes were more obvious in the leaves. The fertilisation with the studied biofertilisers increased the K2O content in leaves and stems compared to the control (non-fertilised) plants; the values were higher for the leaves.
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Claims 6
Claim · model-written summary
Emosan on Boneprot basic fertilisation gave the highest plant height at the end of the vegetative period (62.60 cm in 2009).
- Taxon
- Capsicum annuum L.
Capsicum annuumt0 - Treatment
- Emosane1
- Outcome
- plant heighte1
- Direction
- higheste1
- Value
- 62.60 cme2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the average plant height at the end of the vegetative period showed the highest values for the variant treated with Emosan”
e2“62.60 cm - 2009; 64.80 cm - 2010, and 63.87 cm - 2011”
t0“PEPPER (Capsicum annuum L.)”
Claim · model-written summary
Feeding with Emosan and Baikal EM on Boneprot basic fertilisation gave higher net photosynthesis at the pepper mass fruit yield stage.
- Taxon
- Capsicum annuum L.Capsicum annuumt0
- Organ / stage
- pepper mass fruit yield stagee4
- Treatment
- feeding with the biofertilisers Emosan and Baikal EMe4
- Outcome
- net photosynthesis (PN)e3
- Direction
- highere3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“plants showed higher values of net photosynthesis (PN)”
e4“Upon feeding with the biofertilisers Emosan and Baikal EM on basic fertilisation with Boneprot (2009, 2010 and 2011) at the pepper mass fruit yield stage”
t0“PEPPER (Capsicum annuum L.)”
Claim · model-written summary
Baikal EM and Emosan on Boneprot basic fertilisation gave the highest transpiration intensity.
- Taxon
- Capsicum annuum L.Capsicum annuumt0
- Treatment
- biofertilisers Baikal EMe6
- Outcome
- intensity of transpiratione5
- Direction
- higheste5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The highest intensity of transpiration”
e6“for the variants treated with the biofertilisers Baikal EM (2009 and 2011) and Emosan (2010) on basic fertilisation with Boneprot”
t0“PEPPER (Capsicum annuum L.)”
Claim · model-written summary
Emosan stimulated vegetative growth of pepper plants, which the authors attribute to high concentrations of nutrient-providing proteins in the biofertiliser.
Verbatim
e7“the feeding with Emosan stimulated the vegetative growth of the pepper plants due to the high concentrations of nutrient-providing proteins contained in this biofertiliser”
Claim · model-written summary
Biofertilisers did not significantly change the P content of pepper leaves and stems.
- Taxon
- Capsicum annuum L.Capsicum annuumt0
- Organ / stage
- pepper leaves and stemse0
- Treatment
- biofertiliserse0
- Outcome
- P contente0
- Direction
- do not significantly impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biofertilisers do not significantly impact the P content of the pepper leaves and stems”
t0“PEPPER (Capsicum annuum L.)”
Claim · model-written summary
Fertilisation with the studied biofertilisers increased K2O content in leaves and stems compared with non-fertilised control plants, with higher values in leaves.
- Taxon
- Capsicum annuum L.Capsicum annuumt0
- Organ / stage
- leaves and stemse0
- Treatment
- fertilisation with the studied biofertiliserse0
- Outcome
- K2O contente0
- Direction
- increasede0
- Qualifier
- the values were higher for the leavese0
- Comparator
- control (non-fertilised) plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fertilisation with the studied biofertilisers increased the K2O content in leaves and stems compared to the control (non-fertilised) plants; the values were higher for the leaves”
t0“PEPPER (Capsicum annuum L.)”
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