Abstract
The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley on heavy loamy chernozems on loess-like loams. A soil mixture was poured into the vessel at the rate of 10 kg of heavy loamy chernozem. Microelements were introduced into the soil in an amount: boron – 1.0 mg; zinc – 2.5 mg; copper – 0.5 mg; manganese – 5.0 mg; molybdenum – 1.0 mg; cobalt – 1.0 mg; iodine – 2.0 mg of active ingredient per kilogram of soil. In the prepared soil, 100 parsley seeds were sown in vessels at the beginning of May. Trace elements were aplicated in the form of an aqueous solution of salts 20 days before chemical analyzes. Molybdenum in the form of ammonium molybdenum (0.05 % solution), manganese – in the form of manganese sulfate (0.6 %, solution) and boron – in the form of boric acid (0.15 % solution). The experiments were carried out in triplicate. Collecting greens was carried out when the plants reached a height of 20–25 cm, leaving petioles 2 cm high from the head of the root crop. The results of the research found that microelements: boron, copper, manganese, molybdenum and cobalt on chernozem on average over two years contributed to an increase in seed germination by 1.2–1.3 %, and the introduction of iodine into the soil slightly reduced seed germination. Parsley shoots appeared together, which was also influenced by the water–air properties of the soil. At the same time, the plants were well leafy and had a darker green color of the leaves, increased the productivity of greens and parsley root crops. In the variant where organic fertilizers were applied to the soil under the predecessor, the microelements increased the yield. This is due to the fact that organic fertilizers were introduced under the previous crop, when decomposed in the soil, they provide the plants with microelements. The increased yield of parsley root crops was obtained from the introduction of molybdenum and a double dose of copper. An increased yield of root crops compared to the control (without feeding) was obtained, respectively: cobalt – 151 g, double dose of copper – 135 g, copper – 108 g and zinc – 106 g. Thus, the use of trace elements for parsley in order to obtain high yield and quality marketable products are best used on poor soils of these elements.
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Claims 9
Claim · model-written summary
Microelements boron, copper, manganese, molybdenum and cobalt on chernozem increased parsley seed germination by 1.2–1.3 %
- Taxon
- parsley
Petroselinum crispume1 - Treatment
- microelements: boron, copper, manganese, molybdenum and cobalte2
- Outcome
- seed germinatione2
- Direction
- increasee2
- Value
- 1.2–1.3 %e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e2“The results of the research found that microelements: boron, copper, manganese, molybdenum and cobalt on chernozem on average over two years contributed to an increase in seed germination by 1.2–1.3 %”
Claim · model-written summary
Iodine introduced into the soil slightly reduced parsley seed germination
- Taxon
- parsleyPetroselinum crispume1
- Treatment
- the introduction of iodine into the soile3
- Outcome
- seed germinatione3
- Direction
- slightly reducede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e3“the introduction of iodine into the soil slightly reduced seed germination”
Claim · model-written summary
Microelements increased parsley yield where organic fertilizers were applied under the predecessor
- Taxon
- parsleyPetroselinum crispume1
- Treatment
- microelementse4
- Outcome
- yielde4
- Direction
- increasede4
- Qualifier
- organic fertilizers were applied to the soil under the predecessore4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e4“In the variant where organic fertilizers were applied to the soil under the predecessor, the microelements increased the yield”
Claim · model-written summary
Molybdenum and a double dose of copper increased the yield of parsley root crops
- Taxon
- parsleyPetroselinum crispume1
- Organ / stage
- root cropse5
- Treatment
- the introduction of molybdenum and a double dose of coppere5
- Outcome
- yield of parsley root cropse5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e5“The increased yield of parsley root crops was obtained from the introduction of molybdenum and a double dose of copper”
Claim · model-written summary
Cobalt increased parsley root crop yield compared with the unfed control
- Taxon
- parsleyPetroselinum crispume1
- Organ / stage
- root cropse6
- Treatment
- cobalte7
- Outcome
- yield of root cropse6
- Direction
- increasede6
- Value
- 151 ge7
- Comparator
- control (without feeding)e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e6“An increased yield of root crops compared to the control (without feeding) was obtained”
e7“cobalt – 151 g”
Claim · model-written summary
A double dose of copper increased parsley root crop yield compared with the unfed control
- Taxon
- parsleyPetroselinum crispume1
- Organ / stage
- root cropse6
- Treatment
- double dose of coppere3
- Outcome
- yield of root cropse6
- Direction
- increasede6
- Value
- 135 ge3
- Comparator
- control (without feeding)e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e6“An increased yield of root crops compared to the control (without feeding) was obtained”
e3“double dose of copper – 135 g”
Claim · model-written summary
Copper increased parsley root crop yield compared with the unfed control
- Taxon
- parsleyPetroselinum crispume1
- Organ / stage
- root cropse6
- Treatment
- coppere3
- Outcome
- yield of root cropse6
- Direction
- increasede6
- Value
- 108 ge3
- Comparator
- control (without feeding)e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e6“An increased yield of root crops compared to the control (without feeding) was obtained”
e3“copper – 108 g”
Claim · model-written summary
Zinc increased parsley root crop yield compared with the unfed control
- Taxon
- parsleyPetroselinum crispume1
- Organ / stage
- root cropse6
- Treatment
- zince3
- Outcome
- yield of root cropse6
- Direction
- increasede6
- Value
- 106 ge3
- Comparator
- control (without feeding)e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e6“An increased yield of root crops compared to the control (without feeding) was obtained”
e3“zinc – 106 g”
Claim · model-written summary
Trace elements are best used on poor soils to obtain high yield and quality marketable parsley
- Taxon
- parsleyPetroselinum crispume1
- Treatment
- use of trace elementse2
- Outcome
- high yield and quality marketable productse2
- Setting
- poor soilse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The article presents the results of vegetation-field studies (for 2018-2020) to study the effect of trace elements on the yield and quality of greens and root crops of parsley”
e2“the use of trace elements for parsley in order to obtain high yield and quality marketable products are best used on poor soils of these elements”
The same questions in other papers
copper atom · growth · Petroselinum crispum (parsley)Positive and negative results
2 in the opposite direction
- negative
- negative
boron atom · growth · Petroselinum crispum (parsley)Results agree
1 paper in the same direction as this paper
- positive
manganese atom · growth · Petroselinum crispum (parsley)Results agree
1 paper in the same direction as this paper
- positive
molybdenum atom · growth · Petroselinum crispum (parsley)Results agree
1 paper in the same direction as this paper
- positive
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.