Paper · 2013 · Huazhong Nongye Daxue xuebao

Effect of citrate acid-soluble potassium fertilizer application rate on rapeseed growth and soil potassium content

Zhang Yang-yan

19
claims
26
verbatim quotes
1
citations
2
research areas
—
Not open access

Abstract

The effects of citrate acid-soluble potassium fertilizer on rapeseed growth and soil potassium were studied with the pots experiment.The results showed that the citrate acid-soluble potassium fertilizer could promote the growth of rapeseed and increased the content of soil potassium.The biomass and potassium accumulation of rapeseed were increased and then decreased with the increase of application rate of potassium-silicon mineral fertilizer when the potassium rates was 0.75-3.00g K2O/pot(0.075-0.300g/kg).The biomass and potassium accumulation of rapeseed were the highest with potassium rates of 2.25g/pot.Compared with treatment of no potassium,rapeseed biomass was 70.6% and the total potassium accumulation increased by 3.08times.The potassium content of rapeseed was increased with the increase of application rate of potassium fertilizer,nevertheless,the nutrient utilization efficiency was opposite.The content of soil available K and slowly available K was increased with the increase of application rate of potassium fertilizer.Comprehensive results showed that the optimum citrate acid-soluble potassium fertilizer application was 1.50-2.25g/pot.Under the condition of this experiment and the same potassium nutrient supply,the biomass,potassium nutrient content,potassium accumulation nutrient fertilizer utilization and soil potassium content of citrate acid-soluble potassium fertilizer of rapeseed was higher than water-soluble potassium fertilizer,indicating that citrate acid-soluble potassium fertilizer can replace water-soluble potassium fertilizer from the perspective of potassium nutrient supply.

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Claims 19

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Citrate acid-soluble potassium fertilizer promoted rapeseed growth.

Taxon
rapeseede0
Treatment
citrate acid-soluble potassium fertilizere0
Outcome
growth of rapeseede0
Direction
promotee0

Not reportedComparator

Verbatim

e0

“the citrate acid-soluble potassium fertilizer could promote the growth of rapeseed”

✓ located verbatim in the source · abstract, characters 157–239 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Citrate acid-soluble potassium fertilizer increased soil potassium content.

Taxon
rapeseedt0
Treatment
citrate acid-soluble potassium fertilizert0
Outcome
content of soil potassiume0
Direction
increasede0

Not reportedComparator

Verbatim

e0

“increased the content of soil potassium”

✓ located verbatim in the source · abstract, characters 244–283 · show in text ↑
t0

“citrate acid-soluble potassium fertilizer application rate on rapeseed growth and soil potassium content”

✓ located verbatim in the source · title, characters 10–114 · show in text ↑
Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Rapeseed biomass first increased and then decreased as potassium-silicon mineral fertilizer rate rose.

Taxon
rapeseede0
Treatment
potassium-silicon mineral fertilizere0
Outcome
biomasse0
Direction
increased and then decreasede0
Qualifier
0.75-3.00g K2O/pot(0.075-0.300g/kg)e0

Verbatim

e0

“The biomass and potassium accumulation of rapeseed were increased and then decreased with the increase of application rate of potassium-silicon mineral fertilizer when the potassium rates was 0.75-3.00g K2O/pot(0.075-0.300g/kg)”

✓ located verbatim in the source · abstract, characters 284–511 · show in text ↑
Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Rapeseed potassium accumulation first increased and then decreased with increasing potassium-silicon mineral fertilizer rate.

Taxon
rapeseede0
Treatment
potassium-silicon mineral fertilizere0
Outcome
potassium accumulatione0
Direction
increased and then decreasede0

Verbatim

e0

“The biomass and potassium accumulation of rapeseed were increased and then decreased with the increase of application rate of potassium-silicon mineral fertilizer when the potassium rates was 0.75-3.00g K2O/pot(0.075-0.300g/kg)”

✓ located verbatim in the source · abstract, characters 284–511 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Rapeseed biomass was highest at 2.25g/pot potassium.

Taxon
rapeseede0
Treatment
potassium rates of 2.25g/pote0
Outcome
biomasse0
Direction
higheste0

Verbatim

e0

“The biomass and potassium accumulation of rapeseed were the highest with potassium rates of 2.25g/pot”

✓ located verbatim in the source · abstract, characters 512–613 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Rapeseed potassium accumulation was highest at 2.25g/pot potassium.

Taxon
rapeseede0
Treatment
potassium rates of 2.25g/pote0
Outcome
potassium accumulatione0
Direction
higheste0

Verbatim

e0

“The biomass and potassium accumulation of rapeseed were the highest with potassium rates of 2.25g/pot”

✓ located verbatim in the source · abstract, characters 512–613 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

At the stated optimum rate, rapeseed biomass was 70.6% relative to no potassium treatment.

Taxon
rapeseede0
Treatment
potassium rates of 2.25g/pott0
Outcome
rapeseed biomasse0
Value
70.6%e0
Comparator
treatment of no potassiume0

Not reportedDirection

Verbatim

e0

“Compared with treatment of no potassium,rapeseed biomass was 70.6%”

✓ located verbatim in the source · abstract, characters 614–680 · show in text ↑
t0

“potassium rates of 2.25g/pot”

✓ located verbatim in the source · abstract, characters 585–613 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Total potassium accumulation increased 3.08times relative to no potassium.

Taxon
rapeseede0
Treatment
potassium rates of 2.25g/pott0
Outcome
total potassium accumulatione0
Direction
increasede0
Value
3.08timese0
Comparator
treatment of no potassiume0

Verbatim

e0

“Compared with treatment of no potassium,rapeseed biomass was 70.6% and the total potassium accumulation increased by 3.08times”

✓ located verbatim in the source · abstract, characters 614–740 · show in text ↑
t0

“potassium rates of 2.25g/pot”

✓ located verbatim in the source · abstract, characters 585–613 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Rapeseed potassium content increased with fertilizer application rate.

Taxon
rapeseede0
Treatment
potassium fertilizere0
Outcome
potassium content of rapeseede0
Direction
increasede0

Verbatim

e0

“The potassium content of rapeseed was increased with the increase of application rate of potassium fertilizer”

✓ located verbatim in the source · abstract, characters 741–850 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Nutrient utilization efficiency moved oppositely to increasing potassium content as fertilizer rate rose.

Taxon
rapeseede0
Treatment
potassium fertilizere0
Outcome
nutrient utilization efficiencye0
Direction
decreaseinferrede0

Verbatim

e0

“The potassium content of rapeseed was increased with the increase of application rate of potassium fertilizer,nevertheless,the nutrient utilization efficiency was opposite”

✓ located verbatim in the source · abstract, characters 741–912 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil available K increased with potassium fertilizer rate.

Taxon
rapeseedt0
Treatment
potassium fertilizere0
Outcome
soil available Ke0
Direction
increasede0

Verbatim

e0

“The content of soil available K and slowly available K was increased with the increase of application rate of potassium fertilizer”

✓ located verbatim in the source · abstract, characters 913–1043 · show in text ↑
t0

“rapeseed growth”

✓ located verbatim in the source · title, characters 72–87 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil slowly available K increased with potassium fertilizer rate.

Taxon
rapeseedt0
Treatment
potassium fertilizere0
Outcome
slowly available Ke0
Direction
increasede0

Verbatim

e0

“The content of soil available K and slowly available K was increased with the increase of application rate of potassium fertilizer”

✓ located verbatim in the source · abstract, characters 913–1043 · show in text ↑
t0

“rapeseed growth”

✓ located verbatim in the source · title, characters 72–87 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors identified 1.50-2.25g/pot as the optimum citrate acid-soluble potassium fertilizer application.

Taxon
rapeseedt0
Outcome
optimum citrate acid-soluble potassium fertilizer applicatione0
Value
1.50-2.25g/pote0

Verbatim

e0

“the optimum citrate acid-soluble potassium fertilizer application was 1.50-2.25g/pot”

✓ located verbatim in the source · abstract, characters 1078–1162 · show in text ↑
t0

“rapeseed growth”

✓ located verbatim in the source · title, characters 72–87 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Citrate acid-soluble potassium fertilizer produced higher biomass than water-soluble potassium fertilizer at the same potassium supply.

Taxon
rapeseede0
Treatment
citrate acid-soluble potassium fertilizere0
Outcome
biomasse0
Direction
highere0
Comparator
water-soluble potassium fertilizere0

Verbatim

e0

“the biomass,potassium nutrient content,potassium accumulation nutrient fertilizer utilization and soil potassium content of citrate acid-soluble potassium fertilizer of rapeseed was higher than water-soluble potassium fertilizer”

✓ located verbatim in the source · abstract, characters 1241–1469 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Citrate acid-soluble potassium fertilizer produced higher potassium nutrient content than water-soluble potassium fertilizer.

Taxon
rapeseede0
Treatment
citrate acid-soluble potassium fertilizere0
Outcome
potassium nutrient contente0
Direction
highere0
Comparator
water-soluble potassium fertilizere0

Verbatim

e0

“the biomass,potassium nutrient content,potassium accumulation nutrient fertilizer utilization and soil potassium content of citrate acid-soluble potassium fertilizer of rapeseed was higher than water-soluble potassium fertilizer”

✓ located verbatim in the source · abstract, characters 1241–1469 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Citrate acid-soluble potassium fertilizer produced higher potassium accumulation than water-soluble potassium fertilizer.

Taxon
rapeseede0
Treatment
citrate acid-soluble potassium fertilizere0
Outcome
potassium accumulatione0
Direction
highere0
Comparator
water-soluble potassium fertilizere0

Verbatim

e0

“the biomass,potassium nutrient content,potassium accumulation nutrient fertilizer utilization and soil potassium content of citrate acid-soluble potassium fertilizer of rapeseed was higher than water-soluble potassium fertilizer”

✓ located verbatim in the source · abstract, characters 1241–1469 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Citrate acid-soluble potassium fertilizer produced higher nutrient fertilizer utilization than water-soluble potassium fertilizer.

Taxon
rapeseede0
Treatment
citrate acid-soluble potassium fertilizere0
Outcome
nutrient fertilizer utilizatione0
Direction
highere0
Comparator
water-soluble potassium fertilizere0

Verbatim

e0

“the biomass,potassium nutrient content,potassium accumulation nutrient fertilizer utilization and soil potassium content of citrate acid-soluble potassium fertilizer of rapeseed was higher than water-soluble potassium fertilizer”

✓ located verbatim in the source · abstract, characters 1241–1469 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Citrate acid-soluble potassium fertilizer produced higher soil potassium content than water-soluble potassium fertilizer.

Taxon
rapeseede0
Treatment
citrate acid-soluble potassium fertilizere0
Outcome
soil potassium contente0
Direction
highere0
Comparator
water-soluble potassium fertilizere0

Verbatim

e0

“the biomass,potassium nutrient content,potassium accumulation nutrient fertilizer utilization and soil potassium content of citrate acid-soluble potassium fertilizer of rapeseed was higher than water-soluble potassium fertilizer”

✓ located verbatim in the source · abstract, characters 1241–1469 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors concluded citrate acid-soluble potassium fertilizer can replace water-soluble potassium fertilizer for potassium nutrient supply.

Taxon
rapeseedt0
Outcome
citrate acid-soluble potassium fertilizer can replace water-soluble potassium fertilizere0

Verbatim

e0

“citrate acid-soluble potassium fertilizer can replace water-soluble potassium fertilizer from the perspective of potassium nutrient supply”

✓ located verbatim in the source · abstract, characters 1486–1624 · show in text ↑
t0

“rapeseed growth”

✓ located verbatim in the source · title, characters 72–87 · show in text ↑

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