Capabilities of Four Novel Warm‐Season Legumes in the Southern Great Plains: Biomass and Forage Quality

Rao, Srinivas C.; Northup, Brian K.

doi:10.2135/cropsci2008.08.0499

Cited by 39 publications

(65 citation statements)

References 21 publications

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“…Biomass production of the three different fallow treatments was similar compared to that of other studies (Rao and Gill, 1995;Jama et al, 2000;Oke, 2005;Rao and Northrup, 2009;Sao, Mui, and Binh, 2010). Despite the P limitation of the San Juan Sur soils, biomass production of the improved fallow treatments in monoculture with C. cajun (CF) or T. diversifolia (TF) were greater than that of the natural fallow (NF).…”

Section: Fallow Species Biomass and Grain Yieldsupporting

confidence: 83%

Using Tithonia diversifolia (Hemsl.) Gray in a Short Fallow System to Increase Soil Phosphorus Availability on a Costa Rican Andosol

Mustonen¹,

Oelbermann

Kass³

2012

JAS

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The present study evaluated aboveground pruning biomass production in a naturally regenerated fallow (NF), and in monoculture with a leguminous species (CF), and a non-leguminous species (TF) on an Andosol in Costa Rica. The effect of pruning biomass removal or addition on bean grain yield and soil P fractions was also evaluated. Biomass production and nutrient input was significantly greater (p>0.05) in the TF treatment. Macronutrient content of the pruned biomass was not significantly different (p>0.05) between treatments, but C/N and C/P ratios were significantly lower (p>0.05) in the CF treatment. Bean grain yields were significantly greater (p>0.05) only when TF biomass was added to the soil as mulch. There was no significant difference (p>0.05) in the amount of P in the labile and potentially labile fractions between treatments, and the inter-conversion mechanisms between non-labile soil P and labile fractions occurred in diverse directions, not necessarily following the inverse strength sequence of the Hedley P fractionation procedure.

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Section: Fallow Species Biomass and Grain Yieldsupporting

confidence: 83%

Using Tithonia diversifolia (Hemsl.) Gray in a Short Fallow System to Increase Soil Phosphorus Availability on a Costa Rican Andosol

Mustonen¹,

Oelbermann

Kass³

2012

JAS

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“…, 2004; Arthington and Brown, 2005; Ezenwa et al. , 2006; Rao and Northup, 2009; Foster et al. , 2009a).…”

Section: Introductionmentioning

confidence: 99%

Sustainable, low‐input, warm‐season, grass–legume grassland mixtures: mission (nearly) impossible?

Muir

Pitman

Foster

2011

Grass and Forage Science

104

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Grazing lands in warm-temperate and subtropical North America have become less diverse. Pastures are typically grass monocultures, while rangelands are generally managed for the grass components. Overstocking, selective herbicides, fire exclusion and heavy rates of nitrogen fertilizer have contributed to near exclusion of native, warm-season legumes. The simplicity of managing grass monocultures, pasture production responses to nitrogen fertilizer and profitability of grass-only systems have limited interest in legume-based approaches. Changing economics and ecological concerns with ecosystem accumulation of industrial inputs contribute to an increasing interest in legumes. Unlike the development of temperate pasture legumes and recent research in the tropics, legumes tolerant of both freezing temperatures and hot weather have received less attention. Poor establishment, limited persistence and potential invasiveness limit currently available introduced species. Native, herbaceous, warm-season legume species occur throughout warm-temperate North America, but little attention has been directed to these plants as potential forage species. Some success with a few native legume species, primarily in the genus Desmanthus, suggests potential for expanded assessment of forage value of the many species available. Current assessments of native legumes, primarily for conservation purposes, provide an opportunity to expand evaluations of these species for pasture and rangeland potential while economics of livestock production and public interest in ecosystem health are supportive. Experiences with legumes of warm-temperate origin in North America, along with results with temperate and tropical pasture legumes globally, provide a starting point for future efforts at incorporating greater legume diversity in pastures and rangelands of subtropical and warm-temperate regions around the world.

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“…Variable digestibility among WSAL and harvest maturity both impact other measures of nutritive value. Cowpea has been reported having greater digestibility (780 g/kg) than lablab (670 g/kg) when harvested at 12 weeks after planting (6) or when compared with other WSAL (10). However, in sacco disappearance has been found to be greater in lablab (880 g/kg) than cowpea (840 g/kg) (7).…”

Section: Introductionmentioning

confidence: 99%

Dry Matter Yield and Nutritive Value of Cowpea and Lablab in the Southern High Plains of the USA

Contreras‐Govea

Soto-Navarro

Calderón-Mendoza

et al. 2011

Forage & Grazinglands

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In addition to fixing N in the soil, legumes can be a good source of forage for livestock. The objective of this study was to assess the dry matter (DM) yield and nutritive value of two warm‐season annual legumes (WSAL) as potential new forages for the Southern High Plains of the USA. Lablab bean (Lablab purpureus L.) cv Rio Verde (RV) and Rongai (RO) and cowpea [Vigna unguiculata (L.) Walp.] cv Iron and Clay (I&C) and Catjang (CATJ) were sown for two years at NMSU‐Agricultural Science Center at Artesia. Legumes were harvested once in 2008 and twice in 2009 at a maturity stage that ranged from vegetative to 10% green pod. Dry matter yield and nutritive value were analyzed between years, species, and cultivar within species for first cut. Lablab had greater DM yield than cowpea in both years averaging 2.82 Mg/ha for lablab and 1.53 Mg/ha for cowpea at first cut. Among cultivars for first cut, RO had the greatest DM yield of all four cultivars (0.80, 2.26, 2.51, and 3.11 Mg/ha for CATJ, I&C, RV, and RO, respectively; SEM = 0.357). Crude protein (CP) concentration was > 200 g/kg in all legumes, but it was 28.6 g/kg greater in cowpea than lablab. Additionally, NDF and ADF concentrations were lower in cowpea than lablab. Considering the higher DM yield and reasonable nutritive value, lablab has greater potential for forage production than cowpea and could be an additional source of forage for dairy or beef cattle in Southern High Plains of the USA.

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Capabilities of Four Novel Warm‐Season Legumes in the Southern Great Plains: Biomass and Forage Quality

Cited by 39 publications

References 21 publications

Using Tithonia diversifolia (Hemsl.) Gray in a Short Fallow System to Increase Soil Phosphorus Availability on a Costa Rican Andosol

Using Tithonia diversifolia (Hemsl.) Gray in a Short Fallow System to Increase Soil Phosphorus Availability on a Costa Rican Andosol

Sustainable, low‐input, warm‐season, grass–legume grassland mixtures: mission (nearly) impossible?

Dry Matter Yield and Nutritive Value of Cowpea and Lablab in the Southern High Plains of the USA

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