Abstract
Partial root-zone drying irrigation techniques and application of compost tea are practices that, when used separately, have demonstrated beneficial effects on crop productivity in organic farming, with efficient use of natural resources. The aim of this work was to investigate effects of the combination of applying compost tea and using partial root-zone drying irrigation on the growth of eggplants (Solanum melongena L.) and cucumbers (Cucumis sativus L.) grown in succession, on the quantity and quality of the fruits produced, and on soil nutrients after the two growing seasons. The objective was to assess how the two factors, irrigation technique and fertilising method, and the combination of the two, influenced the parameters investigated. Application of compost tea via partial root-zone drying irrigation resulted in well-developed plants and high yields with good quality fruit for both eggplants and cucumbers and did not lead to depletion of soil nutrients, compared with the use commercial organic fertilizers or standard irrigation. Most of the investigated parameters were affected by the interaction of the two factors, though the yield of both crops was more affected by the irrigation technique, while the fertilising approach had a greater effect on the quality of the cucumber fruit. Nevertheless, the combination of compost tea with partial root-zone drying irrigation resulted in competitive performance against the other treatments, whilst reducing the use of resources. The findings showed the effectiveness of applying compost tea by partial root-zone drying irrigation and this was recommended for organic agriculture systems.
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Claims 8
Claim · model-written summary
Compost tea via partial root-zone drying produced well-developed eggplants and high yields with good fruit quality.
- Taxon
- eggplants
Solanum melongenae0 - Treatment
- compost tea via partial root-zone drying irrigatione0
- Outcome
- well-developed plants and high yields with good quality fruite0
- Direction
- highe0
- Comparator
- commercial organic fertilizers or standard irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of compost tea via partial root-zone drying irrigation resulted in well-developed plants and high yields with good quality fruit for both eggplants and cucumbers and did not lead to depletion of soil nutrients, compared with the use commercial organic fertilizers or standard irrigation”
Claim · model-written summary
Compost tea via partial root-zone drying produced well-developed cucumbers and high yields with good fruit quality.
- Taxon
- cucumbers
Cucumis sativuse0 - Treatment
- compost tea via partial root-zone drying irrigatione0
- Outcome
- well-developed plants and high yields with good quality fruite0
- Direction
- highe0
- Comparator
- commercial organic fertilizers or standard irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of compost tea via partial root-zone drying irrigation resulted in well-developed plants and high yields with good quality fruit for both eggplants and cucumbers and did not lead to depletion of soil nutrients, compared with the use commercial organic fertilizers or standard irrigation”
Claim · model-written summary
The combined treatment did not deplete soil nutrients across both crops.
- Taxon
- eggplantsSolanum melongenat0
- Treatment
- Compost tea supplied by partial root-zone drying irrigationt0
- Outcome
- soil nutrientse0
- Direction
- did not lead to depletione0
- Comparator
- commercial organic fertilizers or standard irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“did not lead to depletion of soil nutrients, compared with the use commercial organic fertilizers or standard irrigation”
t0“Compost tea supplied by partial root-zone drying irrigation affected growth and productivity of eggplants”
Claim · model-written summary
Irrigation technique had a stronger effect on eggplant yield than fertilization approach.
- Taxon
- eggplantsSolanum melongenat0
- Treatment
- irrigation techniquee0
- Outcome
- yielde0
- Direction
- more affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield of both crops was more affected by the irrigation technique, while the fertilising approach had a greater effect on the quality of the cucumber fruit”
t0“eggplants”
Claim · model-written summary
Irrigation technique had a stronger effect on cucumber yield than fertilization approach.
- Taxon
- cucumbersCucumis sativust0
- Treatment
- irrigation techniquee0
- Outcome
- yielde0
- Direction
- more affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield of both crops was more affected by the irrigation technique, while the fertilising approach had a greater effect on the quality of the cucumber fruit”
t0“cucumbers”
Claim · model-written summary
Fertilization approach had the greater effect on cucumber fruit quality.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- fertilising approache0
- Outcome
- quality of the cucumber fruite0
- Direction
- greater effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the fertilising approach had a greater effect on the quality of the cucumber fruit”
Claim · model-written summary
The combination performed competitively while reducing resource use.
- Taxon
- eggplantsSolanum melongenat0
- Outcome
- competitive performancee0
- Direction
- competitivee0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combination of compost tea with partial root-zone drying irrigation resulted in competitive performance against the other treatments, whilst reducing the use of resources”
t0“eggplants”
Claim · model-written summary
The authors recommend compost tea applied by partial root-zone drying for organic systems.
- Taxon
- eggplantsSolanum melongenat0
- Outcome
- applying compost tea by partial root-zone drying irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applying compost tea by partial root-zone drying irrigation and this was recommended for organic agriculture systems”
t0“eggplants”
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processing · quality: general · Cucumis sativus (cucumber)Results agree
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.