Seasonal herbage dynamics on Aspen Parkland landscapes in central Alberta

2004 ◽  
Vol 84 (1) ◽  
pp. 149-153 ◽  
Author(s):  
S. A. Asamoah ◽  
E. W. Bork ◽  
B. D. Irving ◽  
M. A. Price ◽  
R. J. Hudson
Keyword(s):  
Key Words ◽  
Crude Protein ◽  
Temporal Dynamics ◽  
Growing Season ◽  
Livestock Production ◽  
Forage Yield ◽  
Forage Production ◽  
Aspen Parkland ◽  
Riparian Meadows ◽  
Upland Grassland

We evaluated the temporal dynamics of herbage biomass and protein within riparian meadows and upland grasslands of native Aspen Parkland rangeland to understand the contribution of each to lives tock foraging. For the growing season monitored, meadows were greater in forage yield and crude protein (P < 0.05), leading to important implications for sustainable livestock production and rangeland conservation. Key words: Crude protein, forage production, riparian meadow, upland grassland

Potential of Lablab purpureus accessions for crop-livestock production in the West African savanna

2006 ◽  
Vol 145 (3) ◽  
pp. 229-238 ◽  
Author(s):  
S. U. EWANSIHA ◽  
U. F. CHIEZEY ◽  
S. A. TARAWALI ◽  
E. N. O. IWUAFOR
Keyword(s):  
West Africa ◽  
Crude Protein ◽  
Livestock Production ◽  
Forage Yield ◽  
Grain Production ◽  
Multiple Use ◽  
Lablab Purpureus ◽  
Forage Production ◽  
Moist Savanna ◽  
Savanna Zone

The introduction and use of herbaceous legumes may contribute to agricultural intensification, especially in the context of sustainable crop and livestock production systems. In the context of evaluating different legume species for these systems in moist savanna zone of West Africa, the present study involved the evaluation of 46 accessions of Lablab purpureus (L.) Sweet between 2000 and 2002 at Samaru, Zaria in the northern Guinea savanna of Nigeria to identify accessions with the potential to contribute to grain or forage production and those with the potential for multiple use. Grain yields (0·6–2·4 t/ha) with a mean seed crude protein and phosphorus content of 25·3 and 0·46 g/kg, respectively, were obtained. Dry matter yields (leaf: 0·3–3·1, stem: 0·2–4·6, root: 0·03–0·3 t/ha) were produced between 40 and 140 days after planting. Within this same period up to 1152 kg shoot crude protein/ha, equivalent to 184 kg N/ha, were recorded for accessions. Ten accessions that may contribute to grain production, eight accessions that may contribute to forage production and six accessions with drought tolerance were identified. Some white-seeded accessions (Grif 1246, ILRI 4612 and PI 183451) with good grain and forage yield and high-protein content have the potential to provide more and higher quality food for people and feed for livestock. The observed potential to contribute to grain production for protein-rich food, feed for livestock and green manure for soil N improvement suggests lablab may be an acceptable legume option for use in cereal-legume-livestock systems in the moist savanna zone of West Africa.

scholarly journals Increase in Milk Yield from Cows through Improvement of Forage Production Using the N2-Fixing Legume Leucaena leucocephala in a Silvopastoral System

Animals ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 734
Author(s):  
Lucero Sarabia-Salgado ◽  
Francisco Solorio-Sánchez ◽  
Luis Ramírez-Avilés ◽  
Bruno José Rodrigues Alves ◽  
Juan Ku-Vera ◽  
...  
Keyword(s):  
Nitrogen Fixation ◽  
Milk Production ◽  
Leucaena Leucocephala ◽  
Crude Protein ◽  
Forage Yield ◽  
Silvopastoral System ◽  
Forage Production ◽  
N Transfer ◽  
Randomized Design ◽  
Completely Randomized Design

The objective was to evaluate milk production, N2-fixation and N transfer, forage yield and composition (under two cutting intervals) in a silvopastoral system (SPS) with Leucaena leucocephala-Megathyrsus maximus and M. maximus-monoculture (MMM) with crossbred cows in a completely randomized design. Forage yield in the SPS was 6490 and 6907 kg DM ha−1 for cutting intervals (CI) of 35 and 50 days. Forage yield for the MMM was 7284 and 10,843 kg DM ha−1, and forage crude protein (CP) was 29.0% and 26.1% for L. leucocephala, harvested at 35 and 50 days, respectively. CP for the associated M. maximus was 9.9% and 7.8% for CI 35 and 50 days, respectively, and for MMM was 7.4% and 8.4%, harvested at 35 and 50 days. Milk production was 4.7 kg cow−1 day−1 for cows grazing MMM and 7.4 kg cow−1 day−1 under SPS. Nitrogen fixation in L. leucocephala (%Ndfa) was estimated to be 89% and 95%, at 35 and 50 days, with an N2 transfer to the associated grass of 34.3% and 52.9%. SPS has the potential to fix and transfer important amounts of N2 to the associated grass, and increase forage CP content and milk production.

scholarly journals Evaluation of Stylosanthes scabra Accessions as Forage Source for Ruminants: Growth Performance, Nutritive Value and In Vitro Ruminal Fermentation

Animals ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 1939
Author(s):  
Thamsanqa Doctor Empire Mpanza ◽  
Abubeker Hassen ◽  
Abiodun Mayowa Akanmu
Keyword(s):  
South Africa ◽  
Growth Performance ◽  
Crude Protein ◽  
Nutritive Value ◽  
Livestock Production ◽  
Metabolizable Energy ◽  
Forage Yield ◽  
Ruminal Fermentation ◽  
Stylosanthes Scabra

Feed shortage is the main cause of poor production performance in livestock under smallholder farmer’s in South Africa. Therefore, this study evaluated the growth performance, nutritive value and in vitro ruminal fermentation of Stylosanthes scabra accessions in climatic condition of Pretoria, South Africa as potential forage sources in order to improve feed quality and subsequently livestock production. Stylosanthes scabra accessions were planted in 6 m2 plots following a complete randomized block design with three replicates per accession. The plants were allowed to grow to full maturity after which forage was harvested and yield, chemical composition, phenolic compounds, in vitro organic matter digestibility (IVOMD) and in vitro ruminal fermentation characteristic were determined. Forage yield of accessions ranged between 4.3 to 5.3 t ha−1 in dry matter (DM), and only twelve accessions were identified to be adaptable over the three-year evaluation under rain-fed. Accessions 140, 9281, 11,252, 11,595, 11,604 and 11,625 were consistent in terms of forage yield over the three years. Significant differences among accessions were observed for crude protein (CP), neutral detergent fiber (NDF), IVOMD, metabolizable energy, metabolizable energy yield, gas production, total phenols, total hydrolysable tannins and total condensed tannins. Principal component and clustering analysis showed that accessions 11,255 and 11,625 are distinct in their characteristics as compared to the rest of the accessions, and both accessions are suitable forage source for animals since they contain low NDF with good forage production and crude protein content. However, there is a need for further study to integrate these accessions into the feeding systems in order to improve livestock production.

Relationship between soil apparent electrical conductivity and forage yield in temperate pastures according to nitrogen availability and growing season

2019 ◽  
Vol 70 (10) ◽  
pp. 908 ◽  
Author(s):  
P. L. Cicore ◽  
M. Castro Franco ◽  
N. R. Peralta ◽  
J. R. Marques da Silva ◽  
J. L. Costa
Keyword(s):  
Electrical Conductivity ◽  
Tall Fescue ◽  
Nitrogen Availability ◽  
Grid Cell ◽  
Growing Season ◽  
Forage Yield ◽  
N Availability ◽  
Forage Production ◽  
Seasonal Interactions ◽  
Management Zones

Mapping of the apparent soil electrical conductivity (ECa) can be used to estimate the variability of forage yield within a plot. However, forage production can vary according to the growing season and to soil properties that do not affect the ECa (e.g. nitrogen (N) content). The aim of this study was to assess the relationship between ECa and forage yield of tall fescue (Lolium arundinaceum (Schreb.) Darbysh.) during different regrowth periods and contrasting levels of N availability and then use this information to determine potential management zones. The ECa was measured and geo-referenced in a 5.75-ha paddock that sustained a permanent pasture dominated by tall fescue. In addition, a 30 m by 30 m grid cell size was chosen and 43 sampling areas, each 4 m2 in size, were geo-referenced and divided into two experimental units of 1 m by 2 m, one of which was fertilised with 250 kg N ha–1 (N250) at the beginning of four regrowth periods (spring 2015, spring 2016, autumn 2016 and autumn 2017) and the other was not fertilised with N (N0). At the end of each regrowth period, we estimated the accumulated biomass. During the spring growing season, accumulated biomass was positively associated with ECa in both N0 and N250 treatments (R2 = 47% and 54%, respectively). By contrast, in autumn, accumulated biomass and ECa were poorly associated (R2 = 10% and 27% for N0 and N250). This may be due to seasonal interactions that alter soil–yield relationships. To assess whether ECa can be used to determine management zones, the differences in accumulated biomass were compared through analysis of variance. Results showed that ECa is associated with the spatial distribution of tall fescue forage yield variability in spring at different N availabilities. Thus, ECa can be reliably used for defining management zones in marginal soils under permanent pastures.

Morphology, forage and seed yield of soybean cultivars of different maturity grown as a forage crop in Turkey

2004 ◽  
Vol 84 (1) ◽  
pp. 181-186 ◽  
Author(s):  
Suzan Altinok ◽  
Ilker Eroğdu ◽  
Istvan Rajcan
Keyword(s):  
Seed Yield ◽  
Crude Protein ◽  
Forage Yield ◽  
Soybean Cultivar ◽  
Morphological Development ◽  
Forage Production ◽  
Forage Crop ◽  
Soybean Cultivars ◽  
Glycine Max L ◽  
The University

Soybean [Glycine max (L.) Merr.] has long been used as a forage crop but its morphological development and forage potential have not been studied extensively. A study was conducted using oilseed soybean cultivars of different maturity to determine their morphological development, forage yield, seed components and seed yield at the University of Ankara, Turkey. Five soybean cultivars OAC Salem (earliest), OAC Bayfield (midearly), OAC Eclipse (mid-early but later than OAC Bayfield), OAC Glencoe (full-season soybean) and SA.88 (late), were used in the study conducted in 2000 and 2001. The full-season cultivar OAC Glencoe was the tallest cultivar, and had the highest levels of fresh and dry matter yield and crude protein yield among soybean cultivars in both years. Therefore, OAC Glencoe is considered to be the most suitable soybean cultivar for forage production when intercropped with corn in Ankara region of Turkey. However, attention should be given to the earliest maturing cultivar OAC Salem that had the highest seed yield and better relative seed composition of all the cultivars. Key words: Forage, soybean, cultivar, morphology, development

Kura clover forage yield, forage quality, and stand dynamics

1991 ◽  
Vol 71 (4) ◽  
pp. 1169-1172 ◽  
Author(s):  
C. C. Sheaffer ◽  
G. C. Marten
Keyword(s):  
Key Words ◽  
Forage Quality ◽  
Livestock Production ◽  
Forage Yield ◽  
Stand Dynamics ◽  
Forage Legumes ◽  
Trifolium Ambiguum ◽  
Kura Clover ◽  
Forage Digestibility ◽  
Perennial Legume

Persistent legumes are needed for livestock production in the northern U.S.A. and Canada. We compared forage yield, forage quality and stands of kura clover (Trifolium ambiguum M. Bieb.), a rhizomatous perennial legume, with commonly grown forage legumes. Kura clover had lower initial stands and yields than most other legumes, but was ultimately among the highest yielding legumes and had greater stand persistence and higher forage digestibility than other legumes when subjected to a diversity of cutting schedules. Key words: Kura clover, forage yield, cutting schedules, persistence

scholarly journals Dual purpose wheat production with different levels of nitrogen topdressing

2016 ◽  
Vol 37 (2) ◽  
pp. 1091 ◽  
Author(s):  
Éderson Luis Henz ◽  
Paulo Sergio Gois de Almeida ◽  
João Pedro Velho ◽  
José Laerte Nörnberg ◽  
Leandro Das Dores Ferreira da Silva ◽  
...  
Keyword(s):  
Crude Protein ◽  
Nitrogen Addition ◽  
Forage Yield ◽  
Soluble Carbohydrates ◽  
Forage Production ◽  
Dual Purpose ◽  
Land Use Efficiency ◽  
Use Efficiency ◽  
Nitrogen Additions

Currently, the practice of Crop-Livestock Integration is stimulated as a way of increasing the generation of foreign exchange for Brazil. Integrated systems improve land use efficiency as well as preserve, recover and increment or soil fertility. The aim of this research was to evaluate how different doses of nitrogen fertilization can affect production and quality of dual purpose wheat submitted to grazing. The experimental designed was randomized block with five treatments (0, 75, 150, 225 and 300 Kg N ha-1, like ammonium nitrate) and four repetitions. The forage yield, the percentage crude protein (P=.0001) and acid detergent insoluble protein (P=.0054) had a linear increased because of the nitrogen addition doses. The crude protein percentage changed the estimate of all soluble carbohydrates (P=.0001) and non-fibrous carbohydrates (P=.0186), but did not influence the, nitrogen detergent fiber corrected with ash and proteins percentage contributing for content cell. The crops production (P=.0001) and the number of kernels per ear (P=.0001) showed significantly difference because of the nitrogen additions dose, increasing the number of fertile flowers. The nitrogen topdressing alters forage production, the chemical composition and the production of dual purpose wheat grains subjected to grazing.

scholarly journals Evaluation of Glyphosate-Tolerant and Conventional Alfalfa Weed Control Systems during the First Year of Establishment

2009 ◽  
Vol 23 (2) ◽  
pp. 257-263 ◽  
Author(s):  
Robert G. Wilson ◽  
Paul A. Burgener
Keyword(s):  
Control Systems ◽  
Weed Control ◽  
Crude Protein ◽  
Growth Stage ◽  
Forage Yield ◽  
First Year ◽  
Forage Production ◽  
Trifoliate Leaf ◽  
Minor Crop ◽  
Feed Value

A field trial was conducted for 3 yr (2005 through 2007) near Scottsbluff, NE, to examine weed control, crop safety, forage production, and economics of glyphosate-tolerant and conventional alfalfa establishment systems. Glyphosate applied to alfalfa at the unifoliate growth stage provided 67% weed control and was similar to imazamox applied at the two-trifoliate leaf stage. Delaying glyphosate application until alfalfa had reached the two-trifoliate growth stage improved weed control to 83%, and weed control was similar to imazamox plus 2,4-DB and imazethapyr plus 2,4-DB. Imazamox and imazethapyr caused minor crop injury, and the addition of bromoxynil or 2,4-DB to both herbicides further decreased crop safety. Weeds were most competitive with the first forage harvest and reduced relative feed value, crude protein, and value (dollars per t) of forage compared to forage that had been treated with herbicides. The total forage yield for the season consisted of three forage harvests and was greatest when no herbicides were applied. The total forage yield of plots treated with glyphosate at the two-trifoliate growth stage was greater than that of plots treated with imazamox or imazethapyr in combination with bromoxynil. When glyphosate was applied at the two-trifoliate growth stage, seasonal forage yield was similar to forage treated with imazamox, imazethapyr, or both herbicides in combination with 2,4-DB. When herbicide was applied to alfalfa at the two-trifoliate growth stage, the net return from using glyphosate with a glyphosate-tolerant alfalfa variety or utilizing imazamox with a conventional alfalfa variety were similar at $742 and $743/ha, respectively.

scholarly journals Forage yield and quality of a dense thorny and thornless "jurema-preta" stand

2007 ◽  
Vol 42 (3) ◽  
pp. 341-347 ◽  
Author(s):  
Ivonete Alves Bakke ◽  
Olaf Andreas Bakke ◽  
Alberício Pereira Andrade ◽  
Ignacio Hernan Salcedo
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Block Design ◽  
Forage Yield ◽  
Crude Protein Content ◽  
Forage Production ◽  
Basal Diameter ◽  
Yield And Quality ◽  
Randomized Block Design

The objective of this work was to compare forage production and quality of thorny and thornless "jurema-preta" (Mimosa tenuiflora (Willd.) Poiret) in a dense planted stand, subjected to annual pruning of fine branches, in Patos, PB, Brazil. The experiment consisted of two treatments (thornless and thorny "jurema-preta") in a complete randomized block design, with ten replicates of two linear plots subdivided in time. Forage mass and chemical composition of fine branches and the basal diameter of plants were measured during five years. Pruning decreased (p<0.05) increments in basal diameter and forage production. Annual dry matter yields reached 4,108 and 5,833 kg ha-1, respectively, for thornless and thorny plants, and forage quality was similar (p>0.05) for both genotypes. This roughage fodder (minimum NDF and ADF averages were 56±1.1% and 43±1.0%, respectively) had low P and K concentrations. Its average crude protein content was greater than 9.9±0.5%, which exceeds the minimum necessary for animal maintenance. Both "jurema-preta" genotypes tolerated pruning of fine branches and contributed with a significant amount of roughage fodder for animal maintenance in the dry season.

scholarly journals Sowing Date and Genotype Influence on Yield and Quality of Dual-Purpose Barley in a Salt-Affected Arid Region

Agronomy ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 717
Author(s):  
Ehab S. A. Moustafa ◽  
El-Sayed E. A. El-Sobky ◽  
Hossam I. A. Farag ◽  
Mohamed A. T. Yasin ◽  
Ahmed Attia ◽  
...  
Keyword(s):  
Arid Region ◽  
Crude Protein ◽  
Sowing Date ◽  
Forage Yield ◽  
Forage Production ◽  
Dual Purpose ◽  
Adaptation Capacity ◽  
Growing Seasons ◽  
Yield And Quality ◽  
Yield Production

Dual-purpose barley is an alternative approach to producing high-quality forage yield plus an acceptable grain yield in marginal environments of arid regions that are characterized by lack of forage. Field experiment was performed in two consecutive growing seasons at an arid region affected by salinity in irrigation water and soil at Western Sinai Peninsula in Egypt. The study aimed to optimize sowing date and screen salt-tolerant barley genotypes that perform better in terms of forage yield and quality as well as grain and biomass yield production in salt-affected environment. Sowing dates, genotypes, and their interaction significantly impacted most of the studied variables such as forage yield, crude protein yield, and grain and biomass yields. The early sowing in late October yielded higher than intermediate sowing in mid-November and late sowing in early December. Some of the tested genotypes performed better than others as indicated by about 50% higher forage yield, 6% crude protein content, 39% grain and 21% biological yields (total aboveground dry matter), suggesting higher adaptation capacity. Interestingly, grain and biological yields did not differ significantly between dual-purpose approach and grain-only pattern. In conclusion, dual-purpose barley was found favorable for producing grain and forage production in similar environments under early sowing date.

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