Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Trees with low foliar sulphate sulphur reserves had low response to nitrogen fertilizer.

Taxon: Douglas-firPseudotsuga menziesiit0
Organ / stage: foliare0
Compound: sulphate sulphure0
Outcome: responsee0
Direction: lowe0

Verbatim

e0
“those with low foliar sulphate sulphur reserves had a low response”
✓ located verbatim in the source · abstract, characters 310–376

t0
“Douglas-fir”
✓ located verbatim in the source · title, characters 82–93

Title

Use of foliage sulphate concentrations to predict response to urea application by Douglas-fir

John Turner; Marcia J. Lambert; Stanley P. Gessel Canadian Journal of Forest Research 1977. doi:10.1139/x77-061

Other claims from this paper (2)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sulphur deficiency without added sulphate reduced shoot weight, shoot number and shoot sulphur content in lucerne.

Taxon: LucerneMedicago sativat0
Organ / stage: shootse1
Treatment: without added sulphatee1
Outcome: weight, the number and the sulphur content of shootse1
Direction: reductione1

Not reportedComparator

Verbatim

t0
“Growth of Lucerne (Medicago sativaL.) Exposed to Sulphur Dioxide”
✓ located verbatim in the source · title, characters 0–64

e1
“Evidence of sulphur deficiency, including a reduction in the weight, the number and the sulphur content of shoots, was found in plants grown without added sulphate”
✓ located verbatim in the source · abstract, characters 330–493

Title

Growth of Lucerne (Medicago sativaL.) Exposed to Sulphur Dioxide

D. R. LOCKYER; D. W. COWLING Journal of Experimental Botany 1981. doi:10.1093/jxb/32.6.1333

Other claims from this paper (8)

Intervention effect SO2 exposure alleviated sulphur deficiency in lucerne grown without added sulphate.
Intervention effect SO2 exposure reduced shoot weight at one harvest in lucerne grown with added sulphate.
Intervention effect SO2 exposure increased the sulphur concentration in lucerne shoots.
Intervention effect SO2 exposure had no significant effect on lucerne grown with added sulphate.
Intervention effect Lucerne grown with added nitrate had greater shoot yield than plants dependent on rhizobia, and the yield was reduced less by sulphur deficiency.
Intervention effect Sulphur-deficient lucerne plants showed a greatly increased transpiration coefficient.
Intervention effect SO2 exposure reduced the transpiration coefficient in sulphur-deficient lucerne.
Intervention effect SO2 exposure did not alter the transpiration coefficient of lucerne with adequate sulphur supply.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High nitrogen without sulphate caused sulphur deficiency.

Taxon: perennial ryegrassLolium perennet0
Treatment: no sulphatee0
Outcome: sulphur deficiencye0

Not reportedComparatorDirection

Verbatim

e0
“but resulted in sulphur deficiency, with reduced yield and number of tillers, when no sulphate was given”
✓ located verbatim in the source · abstract, characters 466–570

t0
“perennial ryegrass (Lolium perenne L.)”
✓ located verbatim in the source · abstract, characters 81–119

Title

The Effect of SO₂onLolium perenneL. Grown at Different Levels of Sulphur and Nitrogen Nutrition

D. W. COWLING; D. R. LOCKYER Journal of Experimental Botany 1978. doi:10.1093/jxb/29.1.257

Other claims from this paper (11)

Intervention effect High nitrogen increased yield fourfold when sulphate was added.
Intervention effect High nitrogen without sulphate reduced yield and tiller number.
Intervention effect SO2 exposure alleviated effects of sulphur deficiency.
Intervention effect SO2 exposure did not affect yield when sulphate was supplied.
Intervention effect At low nitrogen, added sulphate did not affect yield or tiller number.
Intervention effect At low nitrogen, SO2 exposure did not affect yield or tiller number.
Intervention effect SO2 exposure was associated with a small increase in dead leaf proportion at second harvest.
Intervention effect SO2 raised leaf total sulphur from 0·045% to 0·102% in deficient plants.
Intervention effect SO2 raised leaf sulphate sulphur from 42 to 153 parts 10−6 in deficient plants.
Intervention effect SO2 exposure always increased organic sulphur content of leaves.
Intervention effect SO2 exposure showed no evidence of an increased transpiration coefficient in plants with adequate soil sulphur.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Onion growth was inferior with sulphur deficiency at zero sulphate.

Taxon: onionAllium cepae0
Treatment: sulphate (SO4) 0mee0
Outcome: growth with sulphur deficiency symptomse0
Direction: inferiore0

Not reportedComparator

Verbatim

e0
“onion supplied with nitrate nitrogen, plants showed inferior growth with sulphur deficiency symptoms at sulphate (SO4) 0me”
✓ located verbatim in the source · abstract, characters 224–346

Title

Influence of the forms of nitrogen supplied on the growth of vegetable crops. V

Masatoshi IWATA; Yoshio SUZUKI Journal of the Japanese Society for Horticultural Science 1969. doi:10.2503/jjshs.38.254

Other claims from this paper (19)

Intervention effect Onion growth was slightly inferior at 0.2me sulphate without deficiency symptoms.
Intervention effect Onion grew better at 0.5 to 10me sulphate.
Observation Onion had no chlorine deficiency symptoms even at zero chloride.
Observation Onion grew normally from zero to 10me chloride.
Association Concentrations above 25me reduced growth in the sulphate and chloride series.
Intervention effect Growth was similar with sulphate versus chloride cations for cabbage, turnip and onion.
Intervention effect Growth under ammonium sulphate was similar to growth under ammonium chloride.
Intervention effect Both ammonium treatments had markedly inferior growth to other nitrogen forms.
Intervention effect Leaf sulphur concentration was higher under sulphate than chloride.
Intervention effect Leaf chlorine concentration was higher under chloride than sulphate.
Association Higher sulphate or chloride levels from 12 to 48me reduced onion and turnip growth.
Intervention effect Growth did not differ between sulphate and chloride series.
Intervention effect Cabbage growth increased with phosphorus through P 0.6me under nitrate treatments.
Intervention effect Raising phosphorus to P 3me did not further increase cabbage growth.
Intervention effect Phosphorus did not affect growth in ammonium sulphate treatments.
Intervention effect Cabbage growth with ammonium sulphate was markedly inferior to other nitrogen forms.
Association Leaf phosphorus concentration rose with phosphorus supply.
Observation Leaf phosphorus concentration was highest under ammonium sulphate.
Observation Phosphorus deficiency appeared at P 0 and 0.2me regardless of nitrogen form.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Sulphate sulphur of coconut palms increased markedly up to 500m from the pollution source.

Taxon: Coconut palm (Cocos nucifera L.)Cocos nuciferae1
Outcome: Sulphate sulphure6
Direction: increasee6
Setting: upto 500m from the pollution sourcee6

Verbatim

e1
“Coconut palm (Cocos nucifera L.)was selected as the test crop”
✓ located verbatim in the source · abstract, characters 317–378

e6
“Sulphate sulphur also showed marked increase upto 500m from the pollution source”
✓ located verbatim in the source · abstract, characters 1048–1128

Title

Toxic hazards of the industrial atmospheric pollutant sulphur dioxide on tree crops

Bina Rani eScholarship (California Digital Library) 2009

Other claims from this paper (6)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Magnesium sulphate caused greater inhibition of willow sulphur assimilation than sodium sulphate.

Taxon: willowsSalixe0
Treatment: Magnesium sulphatee0
Outcome: sulphur assimilatione0
Direction: greater inhibitione0
Comparator: trees treated with same level of sodium and same treatment osmolalitye0

Verbatim

e0
“Magnesium sulphate treated willows showed more significant growth impacts, and displayed treatment-specific inhibition of photosynthesis, increased disruption of mineral nutrient balance, and greater inhibition of sulphur assimilation, compared to the trees treated with same level of sodium and same treatment osmolality.”
✓ located verbatim in the source · abstract, characters 683–1005

Title

The overlooked ion: Unraveling the effects of magnesium-specific toxicity on willows under sulphate salinity

Xinyi Huang; Charles A. Hefer; Raju Y. Soolanayakanahally; et al. Environmental and Experimental Botany 2023. doi:10.1016/j.envexpbot.2023.105634

Other claims from this paper (6)

Intervention effect Magnesium sulphate had greater growth impacts on willows than sodium sulphate at the same sodium level and osmolality.
Intervention effect Magnesium sulphate inhibited willow photosynthesis in a treatment-specific way.
Intervention effect Magnesium sulphate increased disruption of willow mineral nutrient balance compared with sodium sulphate.
Intervention effect Sulphate treatments encouraged sulphur uptake and translocation to willow leaves.
Observation Sulphur in willow leaves was partitioned to organic sulphur under sulphate treatment.
Observation Sulphur did not pool in small organic sulphur-containing compounds in willow leaves.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Inoculation combined with nitrogen or sulphur decreased sulphate-sulphur accumulation in bean shoot, fruit and root.

Taxon: beant0
Organ / stage: shoot, fruit and roote0
Treatment: Inoculation of plants together with nitrogen or sulphur applicatione0
Outcome: sulphate‐sulphure0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Inoculation of plants together with nitrogen or sulphur application produces an increase in the concentration of total nitrogen and a decrease in the accumulation of nitrate‐nitrogen and sulphate‐sulphur in shoot, fruit and root.”
✓ located verbatim in the source · abstract, characters 296–525

t0
“bean (phaseolus vulgarisL.)”
✓ located verbatim in the source · title, characters 127–154

Title

Effect of nitrogen and sulphur fertilizers and seed inoculation withrhizobium phaseolion the nitrogen‐sulphur relationships of bean (phaseolus vulgarisL.)

C. Lluch; J. A. Campos; F. Ligero Journal of Plant Nutrition 1983. doi:10.1080/01904168309363166

Other claims from this paper (7)

Intervention effect Inoculation combined with nitrogen or sulphur increased total nitrogen concentration in bean shoot, fruit and root.
Intervention effect Inoculation combined with nitrogen or sulphur decreased nitrate-nitrogen accumulation in bean shoot, fruit and root.
Intervention effect Nitrogen application increased bean leaf area more than sulphur application.
Intervention effect Sulphur application gave the highest bean fruit dry matter.
Observation Bean nitrogen-to-sulphur ratios differed by plant part.
Intervention effect Sulphur fertilization decreased bean nitrogen-to-sulphur ratios in shoot, fruit and root.
Mechanism The authors infer that an adequate nitrogen-to-sulphur ratio can ensure maximum bean yield.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Additional sulphate after the first cut produced a smaller sulphur increase in cocksfoot.

Taxon: cocksfootDactylis glomeratae0
Treatment: additional sulphate of ammoniae0
Outcome: sulphur levelse0
Direction: increased lesse0
Comparator: only the initial dressinge0

Verbatim

e0
“A second cut from the cocksfoot plots in the first year showed the sulphur levels in the plots which received the additional sulphate of ammonia to have increased less than the levels in those which received only the initial dressing.”
✓ located verbatim in the source · abstract, characters 1064–1298

Title

The effect of sulphate of ammonia applications on the sulphur content of various grass and clover mixtures

D. J. C. Jones The Journal of Agricultural Science 1960. doi:10.1017/s0021859600022358

Other claims from this paper (9)

Intervention effect Sulphate of ammonia increased sulphur levels through 2 or 4 cwt per acre.
Intervention effect Sulphate of ammonia increased sulphur yields through 2 or 4 cwt per acre.
Observation Sulphur measures peaked at 6 or 8 cwt per acre.
Intervention effect Sulphur measures declined at 12 cwt per acre in many cases.
Intervention effect Annual sulphate of ammonia increased sulphate sulphur.
Intervention effect Annual sulphate of ammonia increased total sulphur.
Intervention effect Annual sulphate of ammonia increased non-sulphate sulphur.
Intervention effect Splitting sulphate dressings did not significantly affect sulphur accumulation.
Observation Rye-grass mixture tended to contain more sulphate than other mixtures.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Residual elemental sulphur in Tiger 90 could not reliably raise tissue sulphur above deficiency where soil sulphate was low.

Taxon: canolaBrassica napus var. napust0
Treatment: residual elemental S in Tiger 90e0
Outcome: tissue S concentratione0
Direction: increasee0
Qualifier: where soil sulphate levels were lowe0
Comparator: deficiency levelse0

Verbatim

e0
“The oxidation of the residual elemental S in Tiger 90 could not be relied upon to increase tissue S concentration above deficiency levels in the year following application where soil sulphate levels were low.”
✓ located verbatim in the source · abstract, characters 1327–1535

t0
“canola”
✓ located verbatim in the source · title, characters 93–99

Title

Sulphur fertilizer and tillage effects on early season sulphur availability and N:S ratio in canola in western Canada

C. A. Grant; A. M. Johnston; G. W. Clayton Canadian Journal of Soil Science 2003. doi:10.4141/s02-046

Other claims from this paper (11)

Intervention effect Tillage had little effect on sulphate availability, tissue sulphur, N:S ratio, or fertilizer response.
Intervention effect Ammonium sulphate increased tissue sulphur concentration across placements.
Intervention effect Ammonium sulphate reduced the tissue N:S ratio across placements.
Intervention effect Surface applied ammonium thiosulphate had effects similar to ammonium sulphate.
Intervention effect Tiger 90 produced lower canola tissue sulphur concentrations than ammonium sulphate.
Intervention effect Elemental sulphur and Tiger 90 produced similar tissue sulphur levels.
Method / resource Tissue sulphur concentration and N:S ratio were good indicators of canola sulphur sufficiency.
Intervention effect Carryover sulphate from ammonium sulphate increased tissue sulphur in the next year.
Intervention effect Carryover sulphate from ammonium sulphate decreased tissue N:S ratio in the next year.
Intervention effect Tiger 90 produced smaller subsequent increases in tissue sulphur than ammonium sulphate.
Intervention effect Tiger 90 produced smaller subsequent decreases in tissue N:S ratio than ammonium sulphate.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

High application rates of potassium sulphate gave rise to luxury consumption.

Taxon: grass and clovert0
Treatment: High application rates of the potassium sulphatee3
Outcome: luxury consumptione3

Verbatim

t0
“sulphur source for grass and clover”
✓ located verbatim in the source · title, characters 39–74

e3
“High application rates of the potassium sulphate gave rise to luxury consumption”
✓ located verbatim in the source · abstract, characters 795–875

Title

Use of powdered elemental sulphur as a sulphur source for grass and clover

D. Donald; S. J. Chapman Communications in Soil Science and Plant Analysis 1998. doi:10.1080/00103629809370028

Other claims from this paper (6)

“sulphate sulphur”

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