Abstract
SUMMARY Field experiments were conducted in a zinc-deficient flood plain alluvial soil to study the effect of amounts, methods and sources of zinc application on the yield and uptake of zinc by wheat. Zinc was applied at 0, 5 and 10 kg Zn/ha as zinc sulphate and zinc oxide either broadcast and mixed in the soil or drilled below the seed. Spray application of zinc was also tested. Irrespective of the source, grain yield and zinc uptake significantly increased up to 10 kg Zn/ha. Soil-applied zinc was highly correlated with yield and zinc uptake in the two field experiments. Grain yield was also found to be significantly correlated with zinc content of grain ( r = 0·78), straw ( r = 0·72) and flag leaf ( r = 0·66). When applied at the rate of 10 kg Zn/ha, broadcasting of zinc sulphate and drilling of ZnO below the seed were equally effective in increasing grain yield of wheat. Foliar spray of zinc sulphate was an effective emergency method, but in highly zinc-deficient soils it did not compare well with soil application of zinc.
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Claims 9
Claim · model-written summary
Grain yield significantly increased through 10 kg Zn/ha regardless of zinc source.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- 10 kg Zn/hae0
- Outcome
- grain yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Irrespective of the source, grain yield and zinc uptake significantly increased up to 10 kg Zn/ha”
Claim · model-written summary
Wheat zinc uptake significantly increased through 10 kg Zn/ha regardless of source.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 10 kg Zn/hae0
- Outcome
- zinc uptakee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Irrespective of the source, grain yield and zinc uptake significantly increased up to 10 kg Zn/ha”
Claim · model-written summary
Soil-applied zinc was highly correlated with wheat yield.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Soil-applied zince0
- Outcome
- yielde0
- Setting
- field experimentse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Soil-applied zinc was highly correlated with yield and zinc uptake in the two field experiments”
Claim · model-written summary
Soil-applied zinc was highly correlated with wheat zinc uptake.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Soil-applied zince0
- Outcome
- zinc uptakee0
- Setting
- field experimentse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Soil-applied zinc was highly correlated with yield and zinc uptake in the two field experiments”
Claim · model-written summary
Grain yield correlated significantly with zinc content of grain.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Grain yield was also found to be significantly correlated with zinc content of grain ( r = 0·78), straw ( r = 0·72) and flag leaf ( r = 0·66)”
Claim · model-written summary
Grain yield correlated significantly with zinc content of straw.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Grain yield was also found to be significantly correlated with zinc content of grain ( r = 0·78), straw ( r = 0·72) and flag leaf ( r = 0·66)”
Claim · model-written summary
Grain yield correlated significantly with zinc content of flag leaf.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- flag leafe0
- Compound
- zince0
- Outcome
- Grain yielde0
- Value
- r = 0·66e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Grain yield was also found to be significantly correlated with zinc content of grain ( r = 0·78), straw ( r = 0·72) and flag leaf ( r = 0·66)”
Claim · model-written summary
Broadcast zinc sulphate at 10 kg Zn/ha increased wheat grain yield as effectively as drilling ZnO.
- Taxon
- wheatTriticum aestivume0
- Treatment
- broadcasting of zinc sulphatee0
- Outcome
- grain yielde0
- Direction
- increasinge0
- Qualifier
- 10 kg Zn/hae0
- Comparator
- drilling of ZnO below the seede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When applied at the rate of 10 kg Zn/ha, broadcasting of zinc sulphate and drilling of ZnO below the seed were equally effective in increasing grain yield of wheat”
Claim · model-written summary
Foliar zinc sulphate was an effective emergency method, but performed less well than soil zinc application in highly deficient soils.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Foliar spray of zinc sulphatee0
- Outcome
- did not compare welle0
- Direction
- did not compare welle0
- Qualifier
- highly zinc-deficient soilse0
- Comparator
- soil application of zince0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Foliar spray of zinc sulphate was an effective emergency method, but in highly zinc-deficient soils it did not compare well with soil application of zinc”
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