Abstract
Abstract Lowland rice ( Oryzea sativa L.) produced more foliage and usually adsorbed more P and Mn from flooded soil than from nonflooded soil. Flooding, however, decreased the contents of Ca and Mg, and frequently the contents of K and Zn, in rice foliage. The responses of Fe and Cu contents of rice foliage to flooding varied. Prosphorus fertilization increased the growth of rice and caused similar levels of phosphorus to accumulate in the foliage under flooded and nonflooded conditions. Super phosphate and liquid ammonium polyphosphate were more effective sources than solid ammonium polyphosphate under flooded conditions, but there was little difference among sources under nonflooded conditions. The highest P rate (100 ppm) produced most rice growth under flooded conditions while, under nonflooded conditions, the medium P rate (50 ppm) was as effective. Managanese fertilizer increased the Mn content of rice foliage only when applied at extremely high rates (50 ppm) and there was little difference between Mn contents of flooded and nonflooded plants at the higher Mn rates. Neither Mn nor Fe fertilizers affected rice growth.
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Claims 17
Claim · model-written summary
Flooding produced more rice foliage.
Verbatim
e0“Lowland rice ( Oryzea sativa L.) produced more foliage and usually adsorbed more P and Mn from flooded soil than from nonflooded soil.”
Claim · model-written summary
Flooding usually increased rice P uptake.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“usually adsorbed more P and Mn from flooded soil than from nonflooded soil”
t0“Nutrient Uptake by Lowland Rice Under Flooded and Nonflooded Soil Conditions1”
Claim · model-written summary
Flooding usually increased rice Mn uptake.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“usually adsorbed more P and Mn from flooded soil than from nonflooded soil”
t0“Nutrient Uptake by Lowland Rice Under Flooded and Nonflooded Soil Conditions1”
Claim · model-written summary
Flooding decreased rice foliage Ca and Mg contents.
- Taxon
- rice
Oryza sativae0 - Organ / stage
- foliagee0
- Treatment
- Floodinge0
- Outcome
- contents of Ca and Mge0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flooding, however, decreased the contents of Ca and Mg, and frequently the contents of K and Zn, in rice foliage.”
Claim · model-written summary
Flooding frequently decreased rice foliage K and Zn contents.
- Taxon
- riceOryza sativae0
- Organ / stage
- foliagee0
- Treatment
- Floodinge0
- Outcome
- contents of K and Zne0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flooding, however, decreased the contents of Ca and Mg, and frequently the contents of K and Zn, in rice foliage.”
Claim · model-written summary
Rice foliage Fe and Cu content responses to flooding varied.
- Taxon
- riceOryza sativae0
- Treatment
- floodinge0
- Outcome
- Fe and Cu contents of rice foliagee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The responses of Fe and Cu contents of rice foliage to flooding varied.”
Claim · model-written summary
Phosphorus fertilization increased rice growth.
- Taxon
- riceOryza sativae0
- Treatment
- Prosphorus fertilizatione0
- Outcome
- growthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prosphorus fertilization increased the growth of rice”
Claim · model-written summary
Phosphorus fertilization gave similar foliage phosphorus levels under flooded and nonflooded conditions.
- Taxon
- riceOryza sativat0
- Organ / stage
- foliagee0
- Treatment
- Prosphorus fertilizatione0
- Outcome
- levels of phosphoruse0
- Direction
- similare0
- Comparator
- nonflooded conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prosphorus fertilization increased the growth of rice and caused similar levels of phosphorus to accumulate in the foliage under flooded and nonflooded conditions”
t0“Nutrient Uptake by Lowland Rice Under Flooded and Nonflooded Soil Conditions1”
Claim · model-written summary
Super phosphate was more effective than solid ammonium polyphosphate under flooding.
- Taxon
- riceOryza sativat0
- Treatment
- Super phosphatee0
- Outcome
- more effective sourcese0
- Direction
- more effectivee0
- Qualifier
- under flooded conditionse0
- Comparator
- solid ammonium polyphosphatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Super phosphate and liquid ammonium polyphosphate were more effective sources than solid ammonium polyphosphate under flooded conditions”
t0“Nutrient Uptake by Lowland Rice Under Flooded and Nonflooded Soil Conditions1”
Claim · model-written summary
Liquid ammonium polyphosphate was more effective than solid ammonium polyphosphate under flooding.
- Taxon
- riceOryza sativat0
- Treatment
- liquid ammonium polyphosphatee0
- Outcome
- more effective sourcese0
- Direction
- more effectivee0
- Comparator
- solid ammonium polyphosphatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Super phosphate and liquid ammonium polyphosphate were more effective sources than solid ammonium polyphosphate under flooded conditions”
t0“Nutrient Uptake by Lowland Rice Under Flooded and Nonflooded Soil Conditions1”
Claim · model-written summary
Fertilizer sources differed little under nonflooded conditions.
- Taxon
- riceOryza sativat0
- Treatment
- sourcese0
- Outcome
- difference among sourcese0
- Direction
- little differencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was little difference among sources under nonflooded conditions”
t0“Nutrient Uptake by Lowland Rice Under Flooded and Nonflooded Soil Conditions1”
Claim · model-written summary
Under flooding, 100 ppm P produced most rice growth.
- Taxon
- riceOryza sativae0
- Treatment
- highest P rate (100 ppm)e0
- Outcome
- rice growthe0
- Direction
- moste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest P rate (100 ppm) produced most rice growth under flooded conditions”
Claim · model-written summary
Under nonflooding, 50 ppm P was as effective as the high rate.
- Taxon
- riceOryza sativat0
- Treatment
- medium P rate (50 ppm)e0
- Outcome
- as effectivee0
- Direction
- as effectivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“under nonflooded conditions, the medium P rate (50 ppm) was as effective”
t0“Nutrient Uptake by Lowland Rice Under Flooded and Nonflooded Soil Conditions1”
Claim · model-written summary
Mn fertilizer increased foliage Mn only at 50 ppm.
- Taxon
- riceOryza sativae0
- Treatment
- Managanese fertilizere0
- Outcome
- Mn content of rice foliagee0
- Direction
- increasede0
- Qualifier
- extremely high rates (50 ppm)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Managanese fertilizer increased the Mn content of rice foliage only when applied at extremely high rates (50 ppm)”
Claim · model-written summary
At higher Mn rates, foliage Mn differed little between flooded and nonflooded plants.
- Taxon
- riceOryza sativat0
- Treatment
- floodede0
- Outcome
- Mn contentse0
- Direction
- little differencee0
- Comparator
- nonflooded plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was little difference between Mn contents of flooded and nonflooded plants at the higher Mn rates”
t0“Nutrient Uptake by Lowland Rice Under Flooded and Nonflooded Soil Conditions1”
Claim · model-written summary
Mn fertilizer did not affect rice growth.
- Taxon
- riceOryza sativae0
- Treatment
- Mne0
- Outcome
- rice growthe0
- Direction
- Neithere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Neither Mn nor Fe fertilizers affected rice growth”
Claim · model-written summary
Fe fertilizer did not affect rice growth.
- Taxon
- riceOryza sativae0
- Treatment
- Fe fertilizerse0
- Outcome
- rice growthe0
- Direction
- Neithere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Neither Mn nor Fe fertilizers affected rice growth”
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