Abstract
Manganese (Mn) is an essential micronutrient for plants, which influences multiple physiological systems. Determination of the critical limit (CL) of Mn in the soil is necessary for Mn fertilizer application as this limit delineates the deficiency, optimum, and toxicity ranges of Mn. A pot experiment was performed in the winter season with 20 soils collected from three Agro-Ecological Zones (AEZs) of Bangladesh to determine the CL of Mn for soybean (Glycine max L.). Manganese was applied in soil @ 0, 1, 2, and 4 ppm, and the experiment was laid out in a factorial and completely randomized design with three replications. The CL of Mn was determined by the Cate-Nelson graphical and statistical approach and was found 3.60 and 3.55 µg g−1, respectively. Applying 1 µg g−1 Mn in soil significantly enhanced root and shoot weight, as well as seed yield of soybean compared to no Mn application. In field conditions, a significant positive response of soybean yield was found up to the CL of Mn. The findings of the study could help predict possible Mn deficiency in soil and soybean response to Mn fertilizer, which is important in decision-making for efficient fertilizer management practices to ensure the yield potential of soybeans.
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Claims 5
Claim · model-written summary
The graphical approach estimated a soil manganese critical limit of 3.60 µg g−1 for soybean.
- Taxon
- soybean
Glycine maxt0 - Outcome
- CL of Mne0
- Value
- 3.60e0
- Qualifier
- Cate-Nelson graphicale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The CL of Mn was determined by the Cate-Nelson graphical and statistical approach and was found 3.60 and 3.55 µg g−1, respectively.”
t0“Soybean”
Claim · model-written summary
The statistical approach estimated a soil manganese critical limit of 3.55 µg g−1 for soybean.
- Taxon
- soybeanGlycine maxt0
- Outcome
- CL of Mne0
- Value
- 3.55 µg g−1e0
- Qualifier
- statistical approache0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The CL of Mn was determined by the Cate-Nelson graphical and statistical approach and was found 3.60 and 3.55 µg g−1, respectively.”
t0“Soybean”
Claim · model-written summary
Applying 1 µg g−1 Mn increased soybean root and shoot weight versus no Mn.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Applying 1 µg g−1 Mn in soile0
- Outcome
- root and shoot weighte0
- Direction
- enhancede0
- Comparator
- no Mn applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applying 1 µg g−1 Mn in soil significantly enhanced root and shoot weight, as well as seed yield of soybean compared to no Mn application.”
Claim · model-written summary
Applying 1 µg g−1 Mn increased soybean seed yield versus no Mn.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Applying 1 µg g−1 Mn in soile0
- Outcome
- seed yield of soybeane0
- Direction
- enhancede0
- Comparator
- no Mn applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applying 1 µg g−1 Mn in soil significantly enhanced root and shoot weight, as well as seed yield of soybean compared to no Mn application.”
Claim · model-written summary
Soybean yield responded positively to manganese up to the soil critical limit in field conditions.
- Taxon
- soybeanGlycine maxe0
- Outcome
- soybean yielde0
- Direction
- positive responsee0
- Qualifier
- up to the CL of Mne0
- Setting
- field conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In field conditions, a significant positive response of soybean yield was found up to the CL of Mn.”
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