Abstract
The objective of this study was to compare the transformation, redistribution, availability and relative effectiveness of Zn from different fertilizer sources viz. Zn-DTPA (Zinc chelated with di-ethylene tri-amine penta-acitic acid), Zn-EDTA (Zinc chelated with ethylene di-amine tetra-acetic acid), Zn-CH (Zinc chelated with a mixture of DTPA & EDTA) and ZnSO4.7H2O (Zinc sulphate hepta hydrate) applied at various zinc levels (5, 10 and 20 mg kg-1) to an Inceptisols in a greenhouse experiment. The results of the greenhouse study showed that the application of three zinc sources significantly increased wheat (Triticum aestivum L.) and succeeding maize (Zea mays L.) dry matter yield and shoot/root ratio compared with the control at increased levels of zinc. Positive, significant correlations were obtained between the zinc concentration in plant and the available zinc as well as the first two sequentially extracted Zn fractions (water soluble plus exchangeable and organically complexed). The positive and significant effect of zinc levels was also found on plant nitrogen and potassium. The zinc fractions in the soil after harvest of both crops were positively and significantly correlated with each other.
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Claims 9
Claim · model-written summary
Zinc sources increased wheat dry matter yield relative to control.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- three zinc sourcese0
- Outcome
- dry matter yielde0
- Direction
- increasede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of three zinc sources significantly increased wheat (Triticum aestivum L.) and succeeding maize (Zea mays L.) dry matter yield and shoot/root ratio compared with the control at increased levels of zinc”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
Claim · model-written summary
Zinc sources increased maize dry matter yield relative to control.
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of three zinc sources significantly increased wheat (Triticum aestivum L.) and succeeding maize (Zea mays L.) dry matter yield and shoot/root ratio compared with the control at increased levels of zinc”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
Claim · model-written summary
Zinc sources increased wheat shoot/root ratio relative to control.
- Taxon
- wheatTriticum aestivume0
- Treatment
- three zinc sourcese0
- Outcome
- shoot/root ratioe0
- Direction
- increasede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of three zinc sources significantly increased wheat (Triticum aestivum L.) and succeeding maize (Zea mays L.) dry matter yield and shoot/root ratio compared with the control at increased levels of zinc”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
Claim · model-written summary
Zinc sources increased maize shoot/root ratio relative to control.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of three zinc sources significantly increased wheat (Triticum aestivum L.) and succeeding maize (Zea mays L.) dry matter yield and shoot/root ratio compared with the control at increased levels of zinc”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
Claim · model-written summary
Plant zinc concentration correlated positively with available soil zinc.
- Taxon
- wheatTriticum aestivumt0
- Compound
- available zince0
- Outcome
- zinc concentration in plante0
- Direction
- Positivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Positive, significant correlations were obtained between the zinc concentration in plant and the available zinc”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
Claim · model-written summary
Plant zinc concentration correlated positively with the first two extracted soil zinc fractions.
- Taxon
- wheatTriticum aestivumt0
- Compound
- Zn fractionse0
- Outcome
- zinc concentration in plante0
- Direction
- Positivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Positive, significant correlations were obtained between the zinc concentration in plant and the available zinc as well as the first two sequentially extracted Zn fractions (water soluble plus exchangeable and organically complexed)”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
Claim · model-written summary
Higher zinc levels positively affected plant nitrogen.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- zinc levelse0
- Outcome
- plant nitrogene0
- Direction
- positivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“positive and significant effect of zinc levels was also found on plant nitrogen and potassium”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
Claim · model-written summary
Higher zinc levels positively affected plant potassium.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- zinc levelse0
- Outcome
- potassiume0
- Direction
- positivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“positive and significant effect of zinc levels was also found on plant nitrogen and potassium”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
Claim · model-written summary
Soil zinc fractions after harvest were positively correlated with each other.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- zinc fractions in the soile0
- Direction
- positivelye0
- Setting
- soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“zinc fractions in the soil after harvest of both crops were positively and significantly correlated with each other”
t0“Wheat (Triticum aestivum L.) and Residual Effect on Succeeding Maize (Zea mays L.)”
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See all 511 papers →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.