Abstract
Zinc is an essential nutrient for plant growth and development. Zinc deficiency affects plant photosynthesis and nitrogen metabolism. In this experiment, 'Shine Muscat' grape was used as experimental material. Three soil application levels of zinc sulfate were set up, which were 2 kg/667 m 2 , 3 kg/667 m 2 and 4 kg/667 m 2 , respectively. The time of applying zinc fertilizer in soil was 10 days after flowering, and the time of spraying zinc fertilizer was divided into 21 days after flowering, 35 days after flowering, 21 days and 35 days after flowering, respectively, once (twice in total), with no zinc fertilizer as control (CK). The results showed that the application of zinc sulfate 3 kg/677 m 2 on soil 10 days after flowering, 0.3% zinc sulfate fertilizer on leaves 21 days after flowering and 35 days after flowering increased zinc content in grape leaves and fruits, and significantly increased net photosynthetic rate of grape leaves.
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Claims 3
Claim · model-written summary
The zinc sulfate application increased zinc content in grape leaves.
Verbatim
e0“the application of zinc sulfate 3 kg/677 m 2 on soil 10 days after flowering, 0.3% zinc sulfate fertilizer on leaves 21 days after flowering and 35 days after flowering increased zinc content in grape leaves and fruits”
e1“with no zinc fertilizer as control (CK)”
Claim · model-written summary
The zinc sulfate application increased zinc content in grape fruits.
- Taxon
- grapee0
- Treatment
- zinc sulfate 3 kg/677 m 2 on soil 10 days after flowering, 0.3% zinc sulfate fertilizer on leaves 21 days after flowering and 35 days after floweringe0
- Outcome
- zinc content in grape leaves and fruitse0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“the application of zinc sulfate 3 kg/677 m 2 on soil 10 days after flowering, 0.3% zinc sulfate fertilizer on leaves 21 days after flowering and 35 days after flowering increased zinc content in grape leaves and fruits”
Claim · model-written summary
The zinc sulfate application significantly increased leaf net photosynthetic rate.
- Taxon
- grapee0
- Treatment
- 0.3% zinc sulfate fertilizer on leaves 21 days after flowering and 35 days after floweringe0
- Outcome
- net photosynthetic rate of grape leavese0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“0.3% zinc sulfate fertilizer on leaves 21 days after flowering and 35 days after flowering increased zinc content in grape leaves and fruits, and significantly increased net photosynthetic rate of grape leaves”
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