Tolerance of the annual legumesBiserrula pelecinus,Ornithopus sativa,Trifolium spumosum,T. vesiculosumandT. subterraneumto soil acidity

Guo, Y-J; Hayes, R. C.; Dear, Brian; Price, Andrew

doi:10.1080/00288233.2011.626785

Cited by 9 publications

(6 citation statements)

References 20 publications

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“…Soil from the Binnaway location has been used often for pot experiments testing plant response to acidic soils (e.g. Guo et al, 2012). The Euberta soil was collected from a nil compost/nil additive blend plot in the above field experiment.…”

Section: Methodsmentioning

confidence: 99%

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Addressing biophysical constraints for Australian farmers applying low rates of composted dairy waste to soil

Hayes

McCormick

Oates

et al. 2017

Renew. Agric. Food Syst.

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This study examined the response of forage crops to composted dairy waste (compost) applied at low rates and investigated effects on soil health. The evenness of spreading compost by commercial machinery was also assessed. An experiment was established on a commercial dairy farm with target rates of compost up to 5 t ha −1 applied to a field containing millet [Echinochloa esculenta (A. Braun) H. Scholz] and Pasja leafy turnip (Brassica hybrid). A pot experiment was also conducted to monitor the response of a legume forage crop (vetch; Vicia sativa L.) on three soils with equivalent rates of compost up to 20 t ha −1 with and without 'additive blends' comprising gypsum, lime or other soil treatments. Few significant increases in forage biomass were observed with the application of low rates of compost in either the field or pot experiment. In the field experiment, compost had little impact on crop herbage mineral composition, soil chemical attributes or soil fungal and bacterial biomass. However, small but significant increases were observed in gravimetric water content resulting in up to 22.4 mm of additional plant available water calculated in the surface 0.45 m of soil, 2 years after compost was applied in the field at 6 t ha −1 dried (7.2 t ha −1 undried), compared with the nil control. In the pot experiment, where the soil was homogenized and compost incorporated into the soil prior to sowing, there were significant differences in mineral composition in herbage and in soil. A response in biomass yield to compost was only observed on the sandier and lower fertility soil type, and yields only exceeded that of the conventional fertilizer treatment where rates equivalent to 20 t ha −1 were applied. With few yield responses observed, the justification for applying low rates of compost to forage crops and pastures seems uncertain. Our collective experience from the field and the glasshouse suggests that farmers might increase the response to compost by: (i) increasing compost application rates; (ii) applying it prior to sowing a crop; (iii) incorporating the compost into the soil; (iv) applying only to responsive soil types; (v) growing only responsive crops; and (vi) reducing weed burdens in crops following application. Commercial machinery incorporating a centrifugal twin disc mechanism was shown to deliver double the quantity of compost in the area immediately behind the spreader compared with the edges of the spreading swathe. Spatial variability in the delivery of compost could be reduced but not eliminated by increased overlapping, but this might represent a potential 20% increase in spreading costs.

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Section: Methodsmentioning

confidence: 99%

“…The experiment was conducted in a glasshouse with 25/16°C day/night temperatures. Guo et al, 2012). The soils (0-0.15 m depth) were collected from Wagga Wagga (hereafter Wagga; Red Kandosol), Euberta (Grey Dermosol) and Binnaway (Red Kandosol) (Isbell, 1996), NSW, Australia.…”

Section: Pot Experimentsmentioning

confidence: 99%

Addressing biophysical constraints for Australian farmers applying low rates of composted dairy waste to soil

Hayes

McCormick

Oates

et al. 2017

Renew. Agric. Food Syst.

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“…To prepare the plot for the experiment, 1500 kg/ ha of lime (88% CaCO 3 and 5% MgCO 3 ) and 250 kg/ ha of superphosphate (18% P 2 O 5 ) were applied. In spite of the natural tolerance to soil acidity of most of the annual pasture legumes (Guo et al, 2012), the application of lime and superphosphate to such acidic soils was expected to favour legume nodulation and N fixation.…”

Section: Study Site and Experimental Plot Characterizationmentioning

confidence: 99%

Self-reseeding annual legumes for cover cropping in rainfed managed olive orchards

Rodrigues

Ferreira

Freitas

et al. 2015

Span. j. agric. res.

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Given the environmental impact of nitrogen (N)-fertilizer manufacture and use, the sustainable management of agro-systems should be sought by growing N-fixing legumes. In this work, eleven self-reseeding annual legumes were grown in pure stands as mulching cover crops in a rainfed olive orchard managed without grazing animals. Dry matter yield, N content in above-ground biomass, groundcover percentage and persistence of the sown species were assessed during four growing seasons. All covers provided enough soil protection over the year, with living plants during the autumn/winter period and a mulch of dead residues during the summer. The legumes overcame a false break observed in the third year recovering the dominance of the covers in the fourth growing season. This means that the seed bank established in previous seasons ensured the persistence of the sown legume even when a gap in seed production occurred. The early-maturing cultivars produced less biomass and fixed less N (approx. 50 kg N/ha/yr present in the above-ground biomass) than the late-maturing ones, but would compete less for water since the growing cycle finished earlier in the spring. They seem best suited to being grown in dry farmed olive orchards with low N demand in drought prone regions.

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“…Acid soil/Al tolerance among pasture legumes have often only included single cultivars of serradella (Guo et al., 2012). While useful, such assessments have limited general application because Al tolerance can vary substantially within species (Cregan et al., 1984; Foy, 1974; Ouellette & Dessureaux, 1958).…”

Section: Introductionmentioning

confidence: 99%

“…Past experiments typically examined cultivars of yellow serradella that are now superseded by improved cultivars and no longer available commercially. Furthermore, there are few objective data sources (Guo et al., 2012; NSW Department of Primary Industries, n.d.; Revell, 2007) that detail Al tolerance in French serradella cultivars.…”

Section: Introductionmentioning

confidence: 99%

Root growth response of serradella species to aluminium in solution culture and soil

Kidd

Ryan

Colmer

et al. 2021

Grass and Forage Science

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Acid soils limit plant productivity globally with approximately 4.5% of arable land considered acidic (pH < 5.5) (von Uexküll & Mutert, 1995). Acid soils are common in the higher rainfall regions of southern Australia; extractable aluminium (Al) in these soils can reach concentrations that are toxic for root growth in many crop and forage species (Pinkerton & Simpson, 1982). Al toxicity reduces root elongation and proliferation (Foy, 1974), lateral root growth, and root hair length and density (Care, 1995; Haling et al., 2009), which adversely impact nutrient and water acquisition (Scott & Fisher, 1989) and nodule formation in legumes (Schomberg & Weaver, 1991). For soils with very low pH in the topsoil, liming is recommended to increase soil pH Ca to 5.0-5.5 which will reduce Al concentrations to levels that are not toxic for root growth. However, incorporating lime is not always feasible for economic [e.g., low input/low return farm systems

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Tolerance of the annual legumesBiserrula pelecinus,Ornithopus sativa,Trifolium spumosum,T. vesiculosumandT. subterraneumto soil acidity

Cited by 9 publications

References 20 publications

Addressing biophysical constraints for Australian farmers applying low rates of composted dairy waste to soil

Addressing biophysical constraints for Australian farmers applying low rates of composted dairy waste to soil

Self-reseeding annual legumes for cover cropping in rainfed managed olive orchards

Root growth response of serradella species to aluminium in solution culture and soil

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