نتایج جستجو برای: grazing season

تعداد نتایج: 70424  

2001
P. Sierra M. S. Cid M. A. Brizuela C. Ferri

The winter use of standing dead biomass produced by warm season grasses during the previous growing season may be an alternative to grazing systems in the semi-arid Pampean Region of Argentina. This study evaluated: 1) the effect of different deferment periods on the leaf blade percentage and quality of ‘kleingrass’ (Panicum coloratum L.), a warm season specie recently introduced to that region...

Journal: :Sustainability 2022

Known as the “roof of world”, Tibetan Plateau hosts largest pastoral alpine ecosystem in world. Nevertheless, there is currently no consensus on how soil organic carbon (SOC) stock changes after livestock grazing grassland this region. Here, a meta-analysis was performed based 55 published studies to quantify grazing-induced SOC (0–30 cm) Plateau. The results showed that significantly increased...

Journal: :Crop Science 2023

Abstract Bahiagrass ( Paspalum notatum Flüggé) is a rhizomatous, perennial, warm‐season forage widely grown in the southeastern United States "UF Riata" bahiagrass more upright growing with greater herbage production when days are shorter compared most other cultivars. Lesser daylength sensitivity extends grazing season, but combination growth may negatively affect persistence under grazing, es...

2013
Janet L. Hedtcke Joshua L. Posner Martha Rosemeyer

Oak (Quercus spp.) savanna, characterized by widely scattered oaks with an understory of prairie and other specialized species, is one of the most endangered native ecosystems in North America (Nuzzo 1986, Packard and MuteI1 997). The absence of grazing and burning along with the in troduction of tillage agriculture are key factors for the loss of this ecosystem. Our objective was to determine ...

Journal: :Journal of environmental quality 2005
Lance T Vermeire David B Wester Robert B Mitchell Samuel D Fuhlendorf

Selective grazing of burned patches can be intense if animal distribution is not controlled and may compound the independent effects of fire and grazing on soil characteristics. Our objectives were to quantify the effects of patch burning and grazing on wind erosion, soil water content, and soil temperature in sand sagebrush (Artemisia filifolia Torr.) mixed prairie. We selected 24, 4-ha plots ...

2010
J. Humphreys I. A. Casey A. S. Laidlaw

This study, conducted over four years (2003–2006), compared herbage production, nutritive value of herbage, the length of the grazing season and milk production per cow and per hectare from grassland systems based on (i) white clover (average 219 g/kg of herbage DM) (WC) receiving on average N application of 90 kg/ha (s.d. 6.4) in spring and successive 0.2 of the area over-seeded annually with ...

2017
M. M. Haan J. R. Russell J. L. Kovar W. J. Powers J. L. Benning

The objectives of the current study were to determine the amounts of aboveand below-ground plant biomass production, P uptake by forage, and P concentration of cool-season grass forage as influenced by management and season. Five forage management treatments were evaluated over 3 years in smooth bromegrass (Bromus inermis Leyss) pastures. Management practices were: ungrazed (U), hay harvest/fal...

Journal: :Journal of animal science 2007
V A Corriher G M Hill J G Andrae M A Froetschel B G Mullinix

Cow and calf performance was determined in a 2-yr, 2 x 2 factorial, grazing experiment using Coastal or Tifton 85 (T85) replicated Bermudagrass pastures (4 pastures each; each pasture 4.86 ha), without or with aeschynomene creep-grazing paddocks (n = 4, 0.202 ha each, planted in May of each year, 13.44 kg/ha). On June 10, 2004, and June 8, 2005, 96 winter-calving beef "tester" cows and their ca...

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