Abstract
AbstractThere are ongoing efforts to use organic fertilizers to minimize nutrient losses and reduce waste accumulation. Salicylic acid (SA) and ascorbic acid (AsA) can affect plant growth and productivity. Mint (Mentha piperita) plants were fertilized with plant compost (PC) or traditional NPK as a control. The plants were foliar-sprayed (FS) using tap water, 150 ppm of SA or AsA and a combination of both. Fertilizers and FS treatment significantly affected plant growth, and essential oil (EO) percentage and yields. Treatment with 48 t ha− 1 PC, SA and AsA yielded fresh and dry weights 43% and 29% higher, respectively, than those from NPK-fertilized plants treated with tap water. There was no difference in EO yield between plants treated with 36 t ha− 1 PC and the NPK-fertilized plants using tap water, AsA or SA + AsA, in all cases. The plants treated with 48 t ha− 1 PC + any FS treatment except tap water had EO yields similar (0.69–0.88 ml plant− 1) to NPK-fertilized plants treated with tap water (0.74 ml plant− 1). Treated plants with 48 t ha− 1 of PC and SA + AsA increased their EO concentration by 87% compared with the NPK-fertilized plants treated with tap water. The effect of fertilization and FS treatment on mint growth and productivity was associated with changes on chlorophyll a and b and carotenoid concentration. The N, P and K concentrations were increased by increasing the PC rates and the SA or AsA treatments. PC, SA and AsA effectively improved mint productivity, and can reduce the use of chemical fertilizers and conserve natural resources.Keywords:: antioxidantessential oilsmintorganic fertilizer
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Claims 10
Claim · model-written summary
Treatment with 48 t/ha PC, SA and AsA increased fresh weight by 43% compared with NPK-fertilized plants treated with tap water.
- Taxon
- Mentha piperita
Mentha ×piperitae0 - Treatment
- 48 t ha− 1 PC, SA and AsAe1
- Outcome
- fresh and dry weightse1
- Direction
- highere1
- Value
- 43%e1
- Comparator
- NPK-fertilized plants treated with tap watere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mint (Mentha piperita) plants were fertilized with plant compost (PC) or traditional NPK as a control”
e1“Treatment with 48 t ha− 1 PC, SA and AsA yielded fresh and dry weights 43% and 29% higher, respectively, than those from NPK-fertilized plants treated with tap water”
Claim · model-written summary
Treatment with 48 t/ha PC, SA and AsA increased dry weight by 29% compared with NPK-fertilized plants treated with tap water.
- Taxon
- Mentha piperitaMentha ×piperitae0
- Treatment
- 48 t ha− 1 PC, SA and AsAe1
- Outcome
- fresh and dry weightse1
- Direction
- highere1
- Value
- 29%e1
- Comparator
- NPK-fertilized plants treated with tap watere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mint (Mentha piperita) plants were fertilized with plant compost (PC) or traditional NPK as a control”
e1“Treatment with 48 t ha− 1 PC, SA and AsA yielded fresh and dry weights 43% and 29% higher, respectively, than those from NPK-fertilized plants treated with tap water”
Claim · model-written summary
Plants treated with 48 t/ha PC and SA + AsA increased essential oil concentration by 87% compared with NPK-fertilized plants treated with tap water.
- Taxon
- Mentha piperitaMentha ×piperitae0
- Treatment
- 48 t ha− 1 of PC and SA + AsAe1
- Outcome
- EO concentratione1
- Direction
- increasede1
- Value
- 87%e1
- Comparator
- NPK-fertilized plants treated with tap watere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mint (Mentha piperita) plants were fertilized with plant compost (PC) or traditional NPK as a control”
e1“Treated plants with 48 t ha− 1 of PC and SA + AsA increased their EO concentration by 87% compared with the NPK-fertilized plants treated with tap water”
Claim · model-written summary
Plants treated with 36 t/ha PC showed no difference in essential oil yield from NPK-fertilized plants with tap water, AsA or SA + AsA.
- Taxon
- Mentha piperitaMentha ×piperitae0
- Treatment
- 36 t ha− 1 PCe2
- Outcome
- EO yielde2
- Direction
- no_changeinferrede2
- Comparator
- NPK-fertilized plants using tap watere2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mint (Mentha piperita) plants were fertilized with plant compost (PC) or traditional NPK as a control”
e2“There was no difference in EO yield between plants treated with 36 t ha− 1 PC and the NPK-fertilized plants using tap water, AsA or SA + AsA, in all cases”
Claim · model-written summary
Plants treated with 48 t/ha PC plus any foliar spray except tap water had essential oil yields similar to NPK-fertilized plants treated with tap water (0.74 ml/plant).
- Taxon
- Mentha piperitaMentha ×piperitae0
- Treatment
- 48 t ha− 1 PC + any FS treatment except tap watere3
- Outcome
- EO yieldse3
- Direction
- similare3
- Value
- 0.69–0.88 ml plant− 1e3
- Qualifier
- 0.74 ml plant− 1e3
- Comparator
- NPK-fertilized plants treated with tap watere3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mint (Mentha piperita) plants were fertilized with plant compost (PC) or traditional NPK as a control”
e3“The plants treated with 48 t ha− 1 PC + any FS treatment except tap water had EO yields similar (0.69–0.88 ml plant− 1) to NPK-fertilized plants treated with tap water (0.74 ml plant− 1)”
Claim · model-written summary
Fertilization and foliar spray treatment were associated with mint growth and productivity, together with changes in chlorophyll a and b and carotenoid concentration.
- Taxon
- minte1
- Treatment
- fertilization and FS treatmente1
- Compound
- chlorophyll a and b and carotenoide1
- Outcome
- mint growth and productivitye1
Not reportedDirection
Verbatim
e1“The effect of fertilization and FS treatment on mint growth and productivity was associated with changes on chlorophyll a and b and carotenoid concentration”
Claim · model-written summary
Nitrogen, phosphorus and potassium concentrations increased with higher PC rates and with SA or AsA treatments.
- Taxon
- Mentha piperitaMentha ×piperitae0
- Treatment
- increasing the PC rates and the SA or AsA treatmentse1
- Outcome
- N, P and K concentrationse1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mint (Mentha piperita) plants were fertilized with plant compost (PC) or traditional NPK as a control”
e1“The N, P and K concentrations were increased by increasing the PC rates and the SA or AsA treatments”
Claim · model-written summary
PC, SA and AsA effectively improved mint productivity.
Not reportedComparator
Verbatim
e1“PC, SA and AsA effectively improved mint productivity”
Claim · model-written summary
The authors recommend that PC, SA and AsA can reduce the use of chemical fertilizers and conserve natural resources.
Verbatim
e1“PC, SA and AsA effectively improved mint productivity, and can reduce the use of chemical fertilizers and conserve natural resources”
Claim · model-written summary
Fertilizers and foliar spray treatment significantly affected mint growth, essential oil percentage and yields.
- Taxon
- Mentha piperitaMentha ×piperitae0
- Treatment
- Fertilizers and FS treatmente1
- Outcome
- plant growth, and essential oil (EO) percentage and yieldse1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mint (Mentha piperita) plants were fertilized with plant compost (PC) or traditional NPK as a control”
e1“Fertilizers and FS treatment significantly affected plant growth, and essential oil (EO) percentage and yields”
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