Abstract
Cultivation of vegetable crops on rockwool medium under controlled conditions requires the use of completely soluble forms of fertilizers for preparing nutrient solution. In order to prevent immobilization of metal microelements, especially Fe, they are often used in chelated forms. The low biodegradability of currently popular chelating agents may lead to contamination of the environment by these compounds. The aim of the present study was to evaluate whether it is necessary to use chelated forms of Cu and Mn. Another objective was to assess the applicability of two chelating agents of iron in cultivation of tomato on rockwool slabs. Mineral forms of manganese (MnSO 4 H 2 O) and copper (CuSO 4 5H 2 O) were compared with EDTA+DTPA chelate forms of these nutrients. In the case of Fe, the suitability of EDTA and DTPA as the chelating agents was evaluated, taking into account the crop yield as well as nutritional status of tomatoes in different stages of growth. The results of our greenhouse trials proved that application of chelate forms of Cu and Mn did not alter the total yield of tomato fruits but accelerated fruit maturation, so that early tomato yield was higher than in response to mineral forms of these nutrients. Plants supplied with Cu and Mn chelates contained higher amounts of these nutrients in index parts of tomatoes analysed from May to August in one-month intervals. The use of DTPA and EDTA as chelating agents was just as productive in terms of tomato fruit yield. However, the DTPA chelate contributed to better plant nutrition with Fe, as well as Cu and Mn.
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Claims 6
Claim · model-written summary
Cu and Mn chelates did not change total tomato fruit yield.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- chelate forms of Cu and Mne0
- Outcome
- total yield of tomato fruitse0
- Direction
- did not altere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of chelate forms of Cu and Mn did not alter the total yield of tomato fruits”
Claim · model-written summary
Cu and Mn chelates accelerated tomato fruit maturation.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- chelate forms of Cu and Mne0
- Outcome
- fruit maturatione0
- Direction
- acceleratede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of chelate forms of Cu and Mn did not alter the total yield of tomato fruits but accelerated fruit maturation”
Claim · model-written summary
Cu and Mn chelates produced higher early tomato yield than mineral forms.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- early tomato yielde0
- Direction
- highere0
- Comparator
- mineral forms of these nutrientse0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early tomato yield was higher than in response to mineral forms of these nutrients”
Claim · model-written summary
Plants given Cu and Mn chelates contained higher Cu and Mn amounts.
- Taxon
- tomatoesSolanum lycopersicume0
- Treatment
- Cu and Mn chelatese0
- Outcome
- higher amounts of these nutrientse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants supplied with Cu and Mn chelates contained higher amounts of these nutrients in index parts of tomatoes”
Claim · model-written summary
DTPA and EDTA were equally productive for tomato fruit yield.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- DTPAe0
- Outcome
- tomato fruit yielde0
- Direction
- just as productivee0
- Comparator
- EDTAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of DTPA and EDTA as chelating agents was just as productive in terms of tomato fruit yield”
Claim · model-written summary
DTPA chelate improved Fe, Cu and Mn nutrition.
Not reportedTaxonComparator
Verbatim
e0“the DTPA chelate contributed to better plant nutrition with Fe, as well as Cu and Mn”
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