The effect of fertilizer sulphur on grass production for silage

Klessa, D. A.; Frame, J.; Golightly, R. D.; Harkess, R. D.

doi:10.1111/j.1365-2494.1989.tb02165.x

Cited by 7 publications

(1 citation statement)

References 4 publications

(4 reference statements)

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“…Sulfur is known to be an increasingly important fertilizer in the United Kingdom grasslands (Klessa et al 1989) and may have a positive effect on plant growth and sulfur uptake for at least 4 years (McLachlan 1975). This occurs even at low application rates (tens of kilograms per hectare).…”

Section: Discussionmentioning

confidence: 99%

Are Sulfurous Soil Amendments (S⁰, Fe^(II)SO₄, Fe^(III)SO₄) an Effective Tool in the Restoration of Heathland and Acidic Grassland after Four Decades of Rock Phosphate Fertilization?

Tibbett

Díaz

2005

Restoration Ecology

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This paper deals with the complex issue of reversing longterm improvements of fertility in soils derived from heathlands and acidic grasslands using sulfur-based amendments. The experiment was conducted on a former heathland and acid grassland in the U.K. that was heavily fertilized and limed with rock phosphate, chalk, and marl. The experimental work had three aims. First, to determine whether sulfurous soil amendments are able to lower pH to a level suitable for heathland and acidic grassland re-creation (approximately 3 pH units). Second, to determine what effect the soil amendments have on the available pool of some basic cations and some potentially toxic acidic cations that may affect the plant community. Third, to determine whether the addition of Fe to the soil system would sequester PO 4 2 ions that might be liberated from rock phosphate by the experimental treatments. The application of S 0 and Fe (II) SO 4 2 to the soil was able to reduce pH. However, only the highest S 0 treatment (2,000 kg/ha S) lowered pH sufficiently for heathland restoration purposes but effectively so. Where pH was lowered, basic cations were lost from the exchangeable pool and replaced by acidic cations. Where Fe was added to the soil, there was no evidence of PO 4 2 sequestration from soil test data (Olsen P), but sequestration was apparent because of lower foliar P in the grass sward. The ability of the forb Rumex acetosella to apparently detoxify Al 3+ , prevalent in acidified soils, appeared to give it a competitive advantage over other less tolerant species. We would anticipate further changes in plant community structure through time, driven by Al 3+ toxicity, leading to the competitive exclusion of less tolerant species. This, we suggest, is a key abiotic driver in the restoration of biotic (acidic plant) communities.

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Section: Discussionmentioning

confidence: 99%

Are Sulfurous Soil Amendments (S⁰, Fe^(II)SO₄, Fe^(III)SO₄) an Effective Tool in the Restoration of Heathland and Acidic Grassland after Four Decades of Rock Phosphate Fertilization?

Tibbett

Díaz

2005

Restoration Ecology

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An agricultural application of homœopathy

Kayne¹

1991

Br Homeopath J

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A field trial in which four homœopathic sprays were applied to rye grass is reported. The aim of the trial was to determine whether any significant effect on growth could be achieved when compared with similar applications of nitrogen fertilizer, and a control. At the particular dosages and strengths chosen no such effect was perceived; however a method for testing homœopathic sprays were established. The results are presented and analyzed. Suggestions are made for further work.

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A glasshouse evaluation of sulfur fertilizer sources for crops and pastures. III. Soluble and non-soluble sulfur and phosphorus sources for pastures

Lefroy¹,

Dana²,

Blair³

1994

Aust. J. Agric. Res.

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Decreasing terms of trade of animal producers and increasing awareness of environmental problems associated with fertilizer use has resulted in increased emphasis on improving fertilizer use efficiency. Elemental S and reactive phosphate rock offer two sources of fertilizers with slower nutrient release rates than gypsum or monocalcium phosphate. A randomized block experiment was conducted under glasshouse conditions. Undisturbed soil cores of an Aquic Haplustalf soil were oversown with perennial ryegrass (Lolium perenne L.) and white clover (Trifolium repens, L.), and a factorial combination of two S sources (elemental S and gypsum), two P sources (triple superphosphate, (TSP), or North Carolina reactive phosphate rock (RPR), two methods of S and P application (S mixed with granulated TSP or RPR and S coated onto TSP or granulated RPR). An unfertilized control (C) was included in order to calculate fertilizer S recovery using the 35S reverse dilution technique. Pots were either watered to field capacity (NL) or watered to 25% excess to promote leaching (L). Harvests of tops were made at 4 or 8 weekly intervals up to 96 weeks after application when the pots were destructively harvested. Yields were lower in the leached than the unleached pots between weeks 8 and 44 where TSP or G was applied. Clover yields were initially highest with G, but elemental S gave more sustained production. Yields and P content of tops were lower with RPR than TSP up to week 36. Recovery of fertilizer S was higher in the TSP than RPR treatments up to week 24. Leaching losses of S were higher from G than elemental S sources up to week 17 and were higher where TSP was the P source. Manipulation of P and S source has been shown to improve the efficiency of utilization of the applied fertilizers.

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The effect of fertilizer sulphur on grass production for silage

Cited by 7 publications

References 4 publications

Are Sulfurous Soil Amendments (S⁰, Fe^(II)SO₄, Fe^(III)SO₄) an Effective Tool in the Restoration of Heathland and Acidic Grassland after Four Decades of Rock Phosphate Fertilization?

Are Sulfurous Soil Amendments (S⁰, Fe^(II)SO₄, Fe^(III)SO₄) an Effective Tool in the Restoration of Heathland and Acidic Grassland after Four Decades of Rock Phosphate Fertilization?

An agricultural application of homœopathy

A glasshouse evaluation of sulfur fertilizer sources for crops and pastures. III. Soluble and non-soluble sulfur and phosphorus sources for pastures

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The effect of fertilizer sulphur on grass production for silage

Cited by 7 publications

References 4 publications

Are Sulfurous Soil Amendments (S0, Fe(II)SO4, Fe(III)SO4) an Effective Tool in the Restoration of Heathland and Acidic Grassland after Four Decades of Rock Phosphate Fertilization?

Are Sulfurous Soil Amendments (S0, Fe(II)SO4, Fe(III)SO4) an Effective Tool in the Restoration of Heathland and Acidic Grassland after Four Decades of Rock Phosphate Fertilization?

An agricultural application of homœopathy

A glasshouse evaluation of sulfur fertilizer sources for crops and pastures. III. Soluble and non-soluble sulfur and phosphorus sources for pastures

Contact Info

Product

Resources

About

Are Sulfurous Soil Amendments (S⁰, Fe^(II)SO₄, Fe^(III)SO₄) an Effective Tool in the Restoration of Heathland and Acidic Grassland after Four Decades of Rock Phosphate Fertilization?

Are Sulfurous Soil Amendments (S⁰, Fe^(II)SO₄, Fe^(III)SO₄) an Effective Tool in the Restoration of Heathland and Acidic Grassland after Four Decades of Rock Phosphate Fertilization?