Abstract
The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field where the nitrogen of 4 levels, that is 0, 5, 10 and 15 kg/10a, applies as the basal dressing, and the changes of nitrogen content of each organ of rice plants, the accumulations of nitrogen in the ear and the differences of protein content of brown rice were investigated. 1. The nitrogen percentages of leaf blade, leaf sheath and culm were high in order of the topdressing, the foliar application and the non-topdressing. The nitrogen percentages of ear were high in order of the foliar application, the topdressing and the non-topdressing. These orders were not changed regardless of the difference of varieties and the difference of the nitrogen amounts of basal dressing. 2. The nitrogen amounts accumulated in the ear were high in order of the foliar application, the topdressing and the non-topdressing. The more the nitrogen amounts of basal dressing, the more the nitrogen amounts accumulated in the ear. 3. The accumulation rate of nitrogen in the ear was higher on the foliar application plots compared with the other plots. It was assumed that the nitrogen absorbed by foliar application accumulated in the ear more immediately than the nitrogen absorbed from the root. 4. The protein percentage of brown rice was highest on the foliar application plots. The protein percentage of brown rice on the foliar application plots increased 9∼13% than that of the topdressing plots and 31∼34% than that of the non-topdressing plots on the average of every basal dressing plot. 5. The protein percentage of brown rice significantly increased by the foliar application of urea regardless of the cool-summer damage due to delayed growth.
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Claims 9
Claim · model-written summary
Leaf blade, leaf sheath and culm nitrogen percentages were highest with topdressing, then foliar application, then no topdressing; this order held across varieties and basal nitrogen levels.
- Taxon
- rice
Oryza sativae1 - Organ / stage
- leaf blade, leaf sheath and culme2
- Treatment
- foliar applicatione2
- Outcome
- nitrogen percentages of leaf blade, leaf sheath and culme2
- Direction
- highe2
- Qualifier
- not changed regardless of the difference of varietiese3
- Comparator
- the non-topdressinge2
- Setting
- paddy fielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e2“The nitrogen percentages of leaf blade, leaf sheath and culm were high in order of the topdressing, the foliar application and the non-topdressing”
e3“These orders were not changed regardless of the difference of varieties and the difference of the nitrogen amounts of basal dressing”
Claim · model-written summary
Ear nitrogen percentage was highest with foliar urea, then topdressing, then no topdressing.
- Taxon
- riceOryza sativae1
- Organ / stage
- eare2
- Treatment
- foliar applicatione2
- Outcome
- nitrogen percentages of eare2
- Direction
- highe2
- Comparator
- the topdressing and the non-topdressinge2
- Setting
- paddy fielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e2“The nitrogen percentages of ear were high in order of the foliar application, the topdressing and the non-topdressing”
Claim · model-written summary
Nitrogen amounts accumulated in the ear were highest with foliar urea, then topdressing, then no topdressing.
- Taxon
- riceOryza sativae1
- Organ / stage
- eare2
- Treatment
- foliar applicatione2
- Outcome
- nitrogen amounts accumulated in the eare2
- Direction
- highe2
- Comparator
- the topdressing and the non-topdressinge2
- Setting
- paddy fielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e2“The nitrogen amounts accumulated in the ear were high in order of the foliar application, the topdressing and the non-topdressing”
Claim · model-written summary
Nitrogen accumulated in the ear increased with the basal nitrogen amount.
- Taxon
- riceOryza sativae1
- Treatment
- nitrogen amounts of basal dressinge2
- Outcome
- nitrogen amounts accumulated in the eare2
- Direction
- moree2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e2“The more the nitrogen amounts of basal dressing, the more the nitrogen amounts accumulated in the ear”
Claim · model-written summary
The rate of nitrogen accumulation in the ear was higher on foliar application plots than on the other plots.
- Taxon
- riceOryza sativae1
- Organ / stage
- eare3
- Treatment
- foliar applicatione3
- Outcome
- accumulation rate of nitrogen in the eare3
- Direction
- highere3
- Comparator
- the other plotse3
- Setting
- paddy fielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e3“The accumulation rate of nitrogen in the ear was higher on the foliar application plots compared with the other plots”
Claim · model-written summary
Brown rice protein percentage was highest on foliar application plots.
- Taxon
- riceOryza sativae1
- Treatment
- foliar applicatione4
- Outcome
- protein percentage of brown ricee4
- Direction
- higheste4
- Setting
- paddy fielde1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e4“The protein percentage of brown rice was highest on the foliar application plots”
Claim · model-written summary
Brown rice protein percentage increased by 9∼13% on foliar application plots compared with topdressing plots.
- Taxon
- riceOryza sativae1
- Treatment
- foliar applicatione5
- Outcome
- protein percentage of brown ricee5
- Direction
- increasede5
- Value
- 9∼13%e5
- Qualifier
- on the average of every basal dressing plote5
- Comparator
- topdressing plotse5
- Setting
- paddy fielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e5“The protein percentage of brown rice on the foliar application plots increased 9∼13% than that of the topdressing plots and 31∼34% than that of the non-topdressing plots on the average of every basal dressing plot”
Claim · model-written summary
Brown rice protein percentage increased by 31∼34% on foliar application plots compared with non-topdressing plots.
- Taxon
- riceOryza sativae1
- Treatment
- foliar applicatione5
- Outcome
- protein percentage of brown ricee5
- Direction
- increasede5
- Value
- 31∼34%e5
- Qualifier
- on the average of every basal dressing plote5
- Comparator
- non-topdressing plotse5
- Setting
- paddy fielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e5“The protein percentage of brown rice on the foliar application plots increased 9∼13% than that of the topdressing plots and 31∼34% than that of the non-topdressing plots on the average of every basal dressing plot”
Claim · model-written summary
Foliar urea application significantly increased brown rice protein percentage regardless of cool-summer damage.
- Taxon
- riceOryza sativae1
- Treatment
- foliar application of ureae6
- Outcome
- protein percentage of brown ricee6
- Direction
- increasede6
- Qualifier
- regardless of the cool-summer damage due to delayed growthe6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The topdressing of ammonium sulfate and the foliar application of urea were carried out at the full heading time of rice plants on the paddy field”
e6“The protein percentage of brown rice significantly increased by the foliar application of urea regardless of the cool-summer damage due to delayed growth”
The same questions in other papers
nitrogen · quality: protein · Oryza sativa (rice)Results differ
88 papers in the same direction as this paper · 10 in the opposite direction · 1 reporting no difference from an alternative
- positive
- no effect
- no effect
96 papers more in this group
See all 100 papers →application · quality: protein · Oryza sativa (rice)Results agree
38 papers in the same direction as this paper
- positive
- positive
- positive
35 papers more in this group
See all 39 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.