legumes Articles
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Determining the contribution of legumes in legume–grass mixtures using digital image analysis
Digital image analysis could be a rapid and precise technique for estimating legume proportions in grass swards. In 2004, we conducted a pot study to evaluate a digital image analysis (DIA) system for estimation of legume dry matter (DM) contribution in legume–grass mixtures. Examination of pure swards and binary legume–grass mixtures of red clover (Trifolium pratense L.), white clover (T. repens ...
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Response of native Southeastern U.S. Legumes to root-knot nematodes
Identification of forage legumes well adapted to the southeastern United States is complicated by climatic, soil, and biotic factors. Among the pests that impact forage legume persistence are root-knot nematodes (RKNs) (Meloidogyne spp.). We hypothesized that legumes native to the region should have higher levels of resistance to RKN species that are common in this region due to long-term natural ...
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Determination of dry matter yield from legume–grass swards by field spectroscopy
An efficient and accurate detection of dry matter (DM) yield of legume–grass mixtures can facilitate a targeted and site-specific management of legume-based swards. The major objective of this study was to examine the relationship between spectral signatures of legume–grass swards and DM yield across a wide range of legume species (white clover [Trifolium repens L.], red clover [T. pratense L.], ...
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Harvest techniques change annual warm-season legume forage yield and nutritive value
Comparison among warm-season legume forage trials may not be valid if harvest techniques vary. To address this question, herbage dry matter (DM) yields, branching, crude protein (CP), and fiber concentrations for nine warm-season annual herbaceous legumes were measured by hand-plucking all leaves and pliable tips or clipping at 7.5- or 15-cm height. The experiment was conducted in Texas on a ...
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Cross inoculation studies: Response of Vigna mungo to inoculation with rhizobia from tree legumes growing under arid environment
Cross-inoculation experiments were conducted in the greenhouse to test the rhizobia isolated from nodules of seven tree legumes for their effectiveness in Vigna mungo plants. The tree legumes included Albizia lebbeck, Dalbergia sissoo, Leucaena leucocephala, Pithecellobium dulce, Prosopis cineraria, Prosopis glandulosa and Prosopis juliflora, all growing under arid environment. Rhizobia from ...
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Evaluation of indigenous Omani legumes for their nutritional quality, phytochemical composition and antioxidant properties
Four indigenous Omani legumes (faba bean, cowpeas, chickpeas and lentils), collected from three different regions of Oman, were evaluated for their proximate composition, phytochemical contents and antioxidant properties. The proximate composition varied significantly. Regional variability however, did not affect the proximate composition, except crude protein content of cowpea and chickpea. The ...
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Development of canopy reflectance models to predict forage quality of legume–grass mixtures
Timely assessments of nutritive values of legume-based swards during the growing season can facilitate a targeted and site-specific forage management. This study was undertaken to explore the potential of field spectral measurements for a nondestructive prediction of metabolizable energy, ash content, crude protein (CP), and acid detergent fiber of legume–grass mixtures. A population of 200 ...
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Symbiotic and growth performance of supernodulating forage pea lines
The exploitation of nitrate-tolerant symbiosis (nts) mutants of pulse legumes is limited by the accompanying supernodulation trait, which causes uncontrolled initiation of excessive symbiotic nodules on the root. The resulting disproportion between the photosynthetic capacity and the catabolic activity of nodules leads to growth deprivation, regardless of the desirable enhancement of symbiotic N ...
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Annual legumes for forage systems in the United States gulf coast region
Forage-livestock systems in the U.S. Gulf Coast are based on perennial C4 grasses. System productivity often is predicated on significant inputs of N fertilizer, but rapidly escalating fertilizer prices raise questions about the sustainability of these systems and provide impetus for legume research. There are few successful forage legumes in the region, suggesting that alternative species merit ...
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Integrated warm- and cool-season grass and legume pastures: i. seasonal forage dynamics
High temperatures and scarce precipitation often cause the productivity and quality of cool-season pastures in Southwest Michigan to decline for an extended period during the summer. This study was conducted to determine whether integration of switchgrass (Panicum virgatum L.) or big bluestem (Andropogon gerardii Vitm.) into cool-season grazing systems would mitigate this period of low pasture ...
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Defoliation of panicled tick-clover, tweedy`s tick-clover, and tall bush-clover: ii. Herbage nutritive value and condensed tannin concentrations
Few native herbaceous perennial warm-season legumes are available for cultivation in the southern United States. These would be useful for pastures, biomass production, wildlife plantings, rangeland reseeding, or native prairie restoration. Three native perennial legumes were selected from an initial screening of north Texas germplasm for potential domestication based on successful establishment, ...
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An experimental approach to compare carbon sequestration rate of four species of legume used as biological façade
Vegetation played an important role in reducing carbon concentration of the environment. Instead of planting horizontally, we attempted to look at planting leguminous plant vertically as biological façade. In tropical climate as in Malaysia, public sensitivity in vertical planting is mostly for aesthetic purposes. This research is focused on selecting vertically grown plant from the point of ...
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Grazing schedule effect on forage production and nutritive value of diverse forage mixtures
The use of complex mixtures (mixtures of more than three species) may increase yield of pastures; however, we know little about how grazing management affects the productivity of mixtures. A grazing experiment was performed during 2005 and 2006 near State College, PA, to compare mixtures of grasses, legumes, and chicory (Cichorium intybus L.) for their botanical composition, nutritive value, and ...
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Water use by five warm-season legumes in the southern great plains
Growing warm-season legumes during fallow periods associated with traditional continuous systems of winter wheat (Triticum aestivum L.) in the southern Great Plains (SGP) can provide supplemental forage, biological N, and protection from soil erosion, provided the legumes can tolerate drought stress and not deplete the available water in the soil profile. Our objective was to quantify water use ...
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Forage potential of intercropping barley with faba bean, lupin, or field pea
Annual cool-season grain legumes grown in mixtures with barley (Hordeum vulgare L.), may offer advantages over barley sole crops for forage production. Our objective was to evaluate the effects of intercropping ‘Snowbird’ tannin-free faba bean (Vicia faba L.), ‘Arabella’ narrow-leafed lupin (Lupinus angustifolius L.), and ‘Cutlass’ field pea (Pisum sativum L.), along with legume planting ...
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Naked oats for improving human nutrition: Genetic and agronomic variability of grain bioactive components
The impact of genotype, environment, and rotation on the variability of important bioactive compounds (protein and β-glucan) was evaluated in the grains of seven naked and two husked oat (Avena sativa L.) genotypes, grown in a set of trials in 2001–2002 and 2002–2003 in two Italian locations in winter seeding. Each trial was composed of two experiments, corresponding to different rotation ...
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Grain legumes in northern great plains
Cropping systems in the Northern Great Plains have shifted from fallow-based to legume-based systems. The introduction of grain legumes has impacted soil organisms, including both symbiotic and nonsymbiotic N-fixing bacteria, pathogens, mycorrhizae and fauna, and the processes they perform. These changes occur through effects of legume seed exudates, rhizosphere exudates, and decomposing crop ...
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Defoliation of panicled tick-clover, tweedy`s tick-clover, and tall bush-clover: i. Winter survival and yields of Nitrogen, herbage, and seed
Few native herbaceous perennial warm-season legumes are available for cultivation in the southern United States. Additional germplasm would be useful for pastures, biomass production, wildlife plantings, rangeland reseeding, or native prairie restoration. Three native perennial legumes were selected from an initial screening of north-central Texas germplasm for potential domestication based on ...
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Herbage, phosphorus, and nitrogen yields of winter-season forages on high-phosphorus soil
In climates where cool seasons can produce a forage crop, annual grasses and forbs can be used on dairies to recycle nutrients back to the animals and to phytoremediate soils high in P or N. In north-central Texas, on a Windthorst fine sandy loam (fine, mixed, thermic, Udic Paleustalf) with 250 mg P kg–1, an on-dairy trial measured yields of dry matter (DM), N, and P, as well as fiber fractions ...
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Capabilities of four novel warm-season legumes in the southern great plains: Grain production and quality
Grain legumes could serve as a low cost nitrogen (N) and energy source for animal production in the southern Great Plains (SGP). This study evaluated the yield and nutritive value of grains of tropical annual legumes novel to the SGP. Included were cultivars of pigeon pea [Cajanus cajan (L.) Millsp.] (cv. GA-2), guar [Cyamopsis tetragonoloba (L.) Taub.] (cv. Kinman), cowpea [Vigna unguiculata ...
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