Abstract
A variety of zinc (Zn) fertilizer sources are applied with varied responses on calcareous soils in Thailand. Seed treatment is an alternative method to deliver Zn to corn and alleviate Zn deficiency. To address this Zn delivery methods we conducted greenhouse studies on corn grown in three calcareous soils of Thailand to three Zn fertilizer sources [zinc sulfate (ZnSO4), Zn-ethylenediaminetetraacetic acid (EDTA) and Zn citrate]. We also evaluated effectiveness of soaking corn seed in three concentrations of ZnSO4 (0.4, 0.8 and 1.6%) prior to planting compared to soil applied methods. Applications of zinc increased the growth, dry matter yield and zinc uptake of corn with few differences observed among the types of fertilizers. Seed soaking with ZnSO4 solution also increased Zn uptake, growth rate and yield comparable to soil-applied Zn. Seed soaking prior to planting is an effective and efficient method to supply Zn to corn grown in Zn deficient calcareous soils of Thailand.
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Claims 4
Claim · model-written summary
Zinc application increased corn growth, dry matter yield, and zinc uptake.
- Taxon
- corn
Zea mays subsp. mayse0 - Treatment
- Applications of zince0
- Outcome
- growth, dry matter yield and zinc uptakee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applications of zinc increased the growth, dry matter yield and zinc uptake of corn”
Claim · model-written summary
Few differences in corn responses were observed among zinc fertilizer types.
- Taxon
- CORNZea mays subsp. mayst0
- Outcome
- few differencese0
- Comparator
- types of fertilizerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with few differences observed among the types of fertilizers”
t0“ZINC DEFICIENCY OF CORN”
Claim · model-written summary
Seed soaking with zinc sulfate increased corn zinc uptake, growth rate, and yield to levels comparable with soil-applied zinc.
- Taxon
- CORNZea mays subsp. mayst0
- Treatment
- Seed soaking with ZnSO4 solutione0
- Outcome
- Zn uptake, growth rate and yielde0
- Direction
- increasede0
- Comparator
- soil-applied Zne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed soaking with ZnSO4 solution also increased Zn uptake, growth rate and yield comparable to soil-applied Zn”
t0“ZINC DEFICIENCY OF CORN”
Claim · model-written summary
The authors conclude that seed soaking efficiently supplies zinc to corn in zinc-deficient calcareous soils of Thailand.
- Taxon
- cornZea mays subsp. mayse0
- Outcome
- Seed soaking prior to plantinge0
- Setting
- Thailande0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed soaking prior to planting is an effective and efficient method to supply Zn to corn grown in Zn deficient calcareous soils of Thailand”
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