Abstract
Seed (grain) yield responses of faba bean ( Vicia faba L. cv. Fiord) to applications of fertiliser phosphorus (0, 5, 10, 20 and 40 kg P/ha as triple superphosphate) and zinc (0, 0.5, 1 and 2 kg Zn/ha as zinc oxide) were measured in 3 field experiments conducted in 1997 and 1998 on neutral to alkaline soils in south-western Australia. Additions of fertiliser phosphorus significantly ( P <0.001) increased grain yields by about 50 and 100% in 2 experiments, but in the third experiment differences in grain yield due to applications of fertiliser phosphorus were not significant ( P >0.05). Increases in grain yields due to zinc fertiliser were small (<10%) and were only significant ( P <0.05) in 1 experiment. This suggests the 3 sites chosen had adequate soil zinc for grain production of faba bean. In 1 experiment the increase in grain yield due to addition of phosphorus fertiliser was due to an increase in the number of pods per plant; numbers of seed per pod and mean seed weight were unaffected by additions of phosphorus and zinc fertiliser. Adding phosphorus and zinc fertiliser increased concentrations of both elements in grain, but had no effect on the concentrations of other nutrient elements (N, K, S, Ca, Mg, Na, Cu, Mn, Fe) measured in grain. These findings support results of a previous study in Western Australia indicating that phosphorus is the major nutrient element deficiency for grain production of faba bean in neutral to alkaline soils.
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Claims 9
Claim · model-written summary
Phosphorus fertiliser raised grain yield by about 50 and 100% in two experiments.
- Taxon
- faba bean
Vicia fabae1 - Treatment
- fertiliser phosphoruse0
- Outcome
- grain yieldse0
- Direction
- increasede0
- Value
- about 50 and 100%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Additions of fertiliser phosphorus significantly ( P <0.001) increased grain yields by about 50 and 100% in 2 experiments”
e1“Seed (grain) yield responses of faba bean”
Claim · model-written summary
Phosphorus fertiliser did not significantly change grain yield in the third experiment.
- Taxon
- faba beanVicia fabae1
- Treatment
- applications of fertiliser phosphoruse0
- Outcome
- grain yielde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the third experiment differences in grain yield due to applications of fertiliser phosphorus were not significant ( P >0.05)”
e1“Seed (grain) yield responses of faba bean”
Claim · model-written summary
Zinc fertiliser produced small grain yield increases, significant in one experiment only.
- Taxon
- faba beanVicia fabae1
- Treatment
- zinc fertilisere0
- Outcome
- grain yieldse0
- Direction
- Increasese0
- Value
- <10%e0
- Qualifier
- in 1 experimente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increases in grain yields due to zinc fertiliser were small (<10%) and were only significant ( P <0.05) in 1 experiment”
e1“Seed (grain) yield responses of faba bean”
Claim · model-written summary
Phosphorus increased pods per plant in one experiment.
- Taxon
- faba beanVicia fabae1
- Treatment
- addition of phosphorus fertilisere0
- Outcome
- number of pods per plante0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1 experiment the increase in grain yield due to addition of phosphorus fertiliser was due to an increase in the number of pods per plant”
e1“Seed (grain) yield responses of faba bean”
Claim · model-written summary
Phosphorus and zinc fertiliser did not affect seed number per pod or mean seed weight.
- Taxon
- faba beanVicia fabae1
- Treatment
- additions of phosphorus and zinc fertilisere0
- Outcome
- numbers of seed per pod and mean seed weighte0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“numbers of seed per pod and mean seed weight were unaffected by additions of phosphorus and zinc fertiliser”
e1“Seed (grain) yield responses of faba bean”
Claim · model-written summary
Phosphorus fertiliser increased phosphorus concentration in grain.
- Taxon
- faba beanVicia fabae1
- Treatment
- phosphoruse0
- Outcome
- concentrations of both elements in graine0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Adding phosphorus and zinc fertiliser increased concentrations of both elements in grain”
e1“Seed (grain) yield responses of faba bean”
Claim · model-written summary
Zinc fertiliser increased zinc concentration in grain.
- Taxon
- faba beanVicia fabae1
- Treatment
- zinc fertilisere0
- Outcome
- concentrations of both elements in graine0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Adding phosphorus and zinc fertiliser increased concentrations of both elements in grain”
e1“Seed (grain) yield responses of faba bean”
Claim · model-written summary
Phosphorus and zinc fertiliser had no effect on other measured grain nutrient concentrations.
- Taxon
- faba beanVicia fabae2
- Treatment
- phosphorus and zinc fertilisere1
- Outcome
- concentrations of other nutrient elements (N, K, S, Ca, Mg, Na, Cu, Mn, Fe) measured in graine0
- Direction
- had no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“had no effect on the concentrations of other nutrient elements (N, K, S, Ca, Mg, Na, Cu, Mn, Fe) measured in grain”
e1“Adding phosphorus and zinc fertiliser”
e2“Seed (grain) yield responses of faba bean”
Claim · model-written summary
The authors infer that phosphorus is the major nutrient deficiency for grain production in neutral to alkaline soils.
- Taxon
- faba beanVicia fabae0
- Outcome
- major nutrient element deficiency for grain productione0
- Setting
- neutral to alkaline soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phosphorus is the major nutrient element deficiency for grain production of faba bean in neutral to alkaline soils”
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See all 176 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.