Abstract
The effect of liming on the availability of micronutrients to soybean cultivated during different numbers of years under no tillage (NT) was investigated. The treatments consisted of the number of years under NT (three, six, and nine years) and five rates of lime (0, 33, 67 and 100% of the amount calculated to raise soil base saturation to 70%) broadcast on soil surface plus the rate of 100% broadcast with incorporation in the 0-0.20 m layer of a clayey Red Oxisol. Soil and leaf samples were collected at two vegetative stages of the crop (vegetative V4 and blossoming R2). The soil was sampled at depths of 0-0.05, 0.05-0.10, 0.10-0.20, and 0.20-0.30 m. Surface liming had little effect on extractable soil micronutrient and nutrient concentrations in soybean leaves. In the area with three years under NT, all liming rates decreased the extractable soil Zn up to a depth of 0.20 m. Lime incorporation decreased the extractable soil Mn in the surface layer. There were no differences in the extractable soil micronutrients and nutrient concentrations in soybean leaves as a function of the number of years under NT. These data suggest that broadcasting lime at current rates on soils under NT does not necessarily lead to micronutrient deficiencies.
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Claims 5
Claim · model-written summary
Surface liming had little effect on extractable soil micronutrients and soybean leaf nutrient concentrations.
- Taxon
- soybean
Glycine maxe0 - Treatment
- Surface liminge0
- Outcome
- extractable soil micronutrient and nutrient concentrations in soybean leavese0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Surface liming had little effect on extractable soil micronutrient and nutrient concentrations in soybean leaves”
Claim · model-written summary
All lime rates decreased extractable soil Zn to 0.20 m after three years of no tillage.
- Taxon
- soybeanGlycine maxt0
- Treatment
- all liming ratese0
- Outcome
- extractable soil Zne0
- Direction
- decreasede0
- Qualifier
- three years under NTe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the area with three years under NT, all liming rates decreased the extractable soil Zn up to a depth of 0.20 m”
t0“soybean”
Claim · model-written summary
Lime incorporation decreased extractable soil Mn in the surface layer.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Lime incorporatione0
- Outcome
- extractable soil Mne0
- Direction
- decreasede0
- Qualifier
- surface layere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lime incorporation decreased the extractable soil Mn in the surface layer”
t0“soybean”
Claim · model-written summary
No-tillage duration did not differ in extractable soil micronutrients or soybean leaf nutrient concentrations.
- Taxon
- soybeanGlycine maxe0
- Treatment
- number of years under NTe0
- Outcome
- extractable soil micronutrients and nutrient concentrations in soybean leavese0
- Direction
- no differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were no differences in the extractable soil micronutrients and nutrient concentrations in soybean leaves as a function of the number of years under NT”
Claim · model-written summary
The authors conclude that current-rate surface liming under no tillage does not necessarily cause micronutrient deficiencies.
- Taxon
- soybeanGlycine maxt0
- Outcome
- broadcasting lime at current rates on soils under NT does not necessarily lead to micronutrient deficienciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“broadcasting lime at current rates on soils under NT does not necessarily lead to micronutrient deficiencies”
t0“soybean”
The same questions in other papers
lime · nutrient: content · Glycine max (soybean)Positive and negative results
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