Abstract
This investigation was carried out at the Agricultural Research Station, National Research Centre, El-Nubaria, Egypt, during the two successive seasons of 2020 and 2021. The layout of the study was complete randomized blocks in three replicates. The experiment aimed to compare the chelated boron on humic and fulvic acids, extracted in the laboratory from compost, with the commercial one, in addition to investigate their foliar spraying effects at different rates (2, 3 and 4 ml L-1) on plant growth, productivity and quality of potato. Results showed that no significant differences were detected between chelated boron prepared in the laboratory and the commercial compound in their effects on the growth of potato plants as well as yield and its attributes however, the best results were obtained by 4 ml L-1. Concerning starch, protein, nitrogen, phosphorous, potassium and boron contents, the highest values were recorded as a result of spraying the plants by 4 ml L-1 for all studied boron types. In contrast, boron had no effect on chlorophyll content in potato leaves for all used treatments. It could be concluded that chelated boron at 4 ml L-1 was effective for enhancing potato growth, production as well as improving its quality, regardless the source of used boron.
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Claims 5
Claim · model-written summary
Laboratory-prepared chelated boron and the commercial compound did not differ in their effects on potato growth, yield and yield attributes.
- Taxon
- potato
Solanum tuberosume1 - Treatment
- chelated boron prepared in the laboratorye1
- Outcome
- growth of potato plants as well as yield and its attributese1
- Direction
- no significant differencese1
- Comparator
- the commercial compounde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“no significant differences were detected between chelated boron prepared in the laboratory and the commercial compound in their effects on the growth of potato plants as well as yield and its attributes”
Claim · model-written summary
Foliar spraying with chelated boron at 4 ml L-1 gave the best potato results compared with the lower rates.
- Taxon
- potato
Solanum tuberosume3 - Treatment
- 4 ml L-1e2
- Outcome
- the best resultse2
- Direction
- beste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e2“the best results were obtained by 4 ml L-1”
e3“on plant growth, productivity and quality of potato”
Claim · model-written summary
Foliar spraying with 4 ml L-1 chelated boron gave the highest starch, protein and nitrogen contents in potato.
- Taxon
- potato
Solanum tuberosume3 - Treatment
- spraying the plants by 4 ml L-1e5
- Outcome
- starch, protein, nitrogene5
- Direction
- higheste5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e3“on plant growth, productivity and quality of potato”
e5“Concerning starch, protein, nitrogen, phosphorous, potassium and boron contents, the highest values were recorded as a result of spraying the plants by 4 ml L-1”
Claim · model-written summary
Foliar spraying with 4 ml L-1 chelated boron gave the highest phosphorous, potassium and boron contents in potato.
- Taxon
- potato
Solanum tuberosume3 - Treatment
- spraying the plants by 4 ml L-1e5
- Outcome
- phosphorous, potassium and borone5
- Direction
- higheste5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e3“on plant growth, productivity and quality of potato”
e5“Concerning starch, protein, nitrogen, phosphorous, potassium and boron contents, the highest values were recorded as a result of spraying the plants by 4 ml L-1”
Claim · model-written summary
Boron had no effect on chlorophyll content in potato leaves across all treatments.
- Taxon
- potato
Solanum tuberosume6 - Organ / stage
- leavese6
- Treatment
- borone6
- Outcome
- chlorophyll contente6
- Direction
- no effecte6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e6“boron had no effect on chlorophyll content in potato leaves”
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