Abstract
The effects of simulated acid rain and aluminum (Al) addition on growth and photosynthesis physiology of tea plants (Camellia sinensis L.) were studied with tea seedlings in a hydroculture experiment. Results showed that the growth of tea plant, chlorophyll content, and photosynthesis (Pn) of tea leaves were better in the treatments of suitable Al addition (10 mg/L and/or 20 mg/L) than the treatments without Al addition and higher Al addition (30 mg/L). The growth of tea plant increased with increasing acidity of acid rain, while the leaves of tea plant showed more chlorophyll content and higher Pn at the treatment of pH 4.0 than pH 5.0 and pH 3.0 acid solutions. The growth of tea plant, chlorophyll content and Pn were the best at the combined treatment of suitable Al addition (10~20 mg/L) and moderate acidity of acid rain (pH 4.0), while the slowest at the combined treatment of 30 mg/L Al and pH 3.0 acid rain. These results suggested that suitable Al and moderate acidity of acid rain are helpful to increase tea production by increasing photosynthesis capacity.
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Claims 9
Claim · model-written summary
Suitable Al addition improved tea growth relative to no or higher Al.
Verbatim
e0“the growth of tea plant, chlorophyll content, and photosynthesis (Pn) of tea leaves were better in the treatments of suitable Al addition (10 mg/L and/or 20 mg/L) than the treatments without Al addition and higher Al addition (30 mg/L).”
Claim · model-written summary
Suitable Al addition improved tea chlorophyll content relative to no or higher Al.
Verbatim
e0“the growth of tea plant, chlorophyll content, and photosynthesis (Pn) of tea leaves were better in the treatments of suitable Al addition (10 mg/L and/or 20 mg/L) than the treatments without Al addition and higher Al addition (30 mg/L).”
Claim · model-written summary
Suitable Al addition improved tea photosynthesis relative to no or higher Al.
Verbatim
e0“the growth of tea plant, chlorophyll content, and photosynthesis (Pn) of tea leaves were better in the treatments of suitable Al addition (10 mg/L and/or 20 mg/L) than the treatments without Al addition and higher Al addition (30 mg/L).”
Claim · model-written summary
Tea growth increased with increasing acid rain acidity.
Verbatim
e0“The growth of tea plant increased with increasing acidity of acid rain”
Claim · model-written summary
Tea chlorophyll content was higher at pH 4.0 than pH 5.0 or 3.0.
Verbatim
e0“the leaves of tea plant showed more chlorophyll content and higher Pn at the treatment of pH 4.0 than pH 5.0 and pH 3.0 acid solutions.”
Claim · model-written summary
Tea photosynthesis was higher at pH 4.0 than pH 5.0 or 3.0.
Verbatim
e0“the leaves of tea plant showed more chlorophyll content and higher Pn at the treatment of pH 4.0 than pH 5.0 and pH 3.0 acid solutions.”
Claim · model-written summary
Tea growth, chlorophyll content and photosynthesis were best at 10–20 mg/L Al plus pH 4.0.
Verbatim
e0“The growth of tea plant, chlorophyll content and Pn were the best at the combined treatment of suitable Al addition (10~20 mg/L) and moderate acidity of acid rain (pH 4.0), while the slowest at the combined treatment of 30 mg/L Al and pH 3.0 acid rain.”
Claim · model-written summary
Tea growth, chlorophyll content and photosynthesis were slowest at 30 mg/L Al plus pH 3.0.
Verbatim
e0“The growth of tea plant, chlorophyll content and Pn were the best at the combined treatment of suitable Al addition (10~20 mg/L) and moderate acidity of acid rain (pH 4.0), while the slowest at the combined treatment of 30 mg/L Al and pH 3.0 acid rain.”
Claim · model-written summary
Suitable Al and moderate acid rain acidity are suggested to increase tea production through photosynthesis.
Verbatim
e0“suitable Al and moderate acidity of acid rain are helpful to increase tea production by increasing photosynthesis capacity.”
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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.