Effects of defoliation (cutting or grazing on pasture yield.

Slides:



Advertisements
Similar presentations
Pasture Irrigation.
Advertisements

Dry Matter Flows Pasture Supplements Silage Animal Intake Digestible Fraction Indigestible Fraction Surface OM RuminantDung_PastureFed Loss during cutting.
Cereal Crops Rice, Maize and Sorghum.
Grazing Corn Stalk Residue With Beef Cows
School Breakfast Program Changes School Year
Long-Term Effects of Liming and N Fertilization on Bahiagrass Pasture Martin B. Adjei and Jack E. Rechcigl Revenue loss from the decline in bahiagrass.
SHW 3002 ANIMAL AGRICULTURE1 NUTRIENT REQUIREMENTS OF PASTURES.
GROWTH modeling, Role of photosynthesis, respiration, partition of new dry matter, role of reserves Moderator’s view D. Galeriu, IFIN-HH, Romania WGL.
Grass Growth and Pasture Management Part of the Ruminant Livestock: Facing New Economic Realities Meetings.
Utilizing Stockpiled Bermudagrass to Reduce Hay Feeding Costs.
By: A. Riasi (PhD in Animal Nutrition & Physiology) تغذیه دام در مرتع Animal nutrition on the rangeland (Part 4)
Density. Density= Mass Volume D= m V Mass Mass: Amount of matter in a substance. Don’t confuse with weight. Weight: the force with which the earth pulls.
Best Hills Ranch Lake Sediment Investigation Danelle Russell Josh Peterson Chris Foster Sarah Richardson.
Why are grasses suitable as ruminant feed?  Comprise of herbaceous materials that are easily grazed and digested  Fulfills nutrient requirements  No.
 Starts with the soil - Soil analysis  Nutrient management planning.
why, where and when of Pasture Management Willie Lantz Extension Educator Ag and Natural Resources Garrett County, Maryland.
Hay Considerations Part of the Ruminant Livestock: Facing New Economic Realities Meetings.
Dog Health. Dogs are carnivores...  But they can eat some plants  Nutritional health depends on receiving proper amounts of: Water Protein Fats Carbohydrates.
Selecting forage species for your farm Gilles Bélanger Soils and Crops Research and Development Centre Agriculture and Agri-Food Canada.
The Effect of Nutrients Available on Respiration Rate of Alaska Peas Sarah Brown, Joseph Da, Isha Khosla, Leia Stephenson.
Polk County Soils and Crops Conference Dr. Weston Walker Missouri State University February 7, 2006.
FOOD A G R I C U L T U R E E N V I R O N N M E N T BIOKENAF – QLK5-CT th technical meeting Madrid, September 2006 X. Nuttens, S. Cadoux.
SOIL INOCULUM LEVEL OF ROOT ROT PATHOGENS IN LEGUMES AND MANAGEMENT USING DIFFERENT SEED DRESSING APPLICATIONS IN NANDI SOUTH ANNE KADAARI A56/80093/2012.
Nutrient availability Temperature Daylength Solar radiation Soil moisture/ RainIrrigation Fertilizer Population Sowing date Cultivar Mineral nutrition.
Effect of continuous suckling/”ewe-rearing” and supplementation on growth performance of Katahdin lambs and reproductive performance of the ewes. S.L.
Slide 1 Silage- Preserved Grass for Winter Feed. Factors That Affect Silage Quality  Use of additives  Compaction  Speed of filling & sealing the pit.
Option G: Ecology and Conservation Chpt. 18: pages
Experiments conducted by RICEMAPP
Training Lambs to be Weed-eaters Experiments on the efficiency of Ovis airies for use in the biological control of Brachypodium sylvaticum- a non-native.
Regeneration of Natural Pasture in Enclosures for Parthenium Weed Management in the Rangeland of Jigjiga, Somali Regional State, Ethiopia B Y Lisanework.
DGM:ISU:2013 Sheep and Pastures Dr. Dan “Grumpy” Morrical Sheep Extension Specialist Animal Science Department
INTRODUCTION The dairy industry is undergoing rapid change within Wisconsin (CIAS 2005; PATS 2005). In addition to the trend of increasing animal concentration.
Response of physiological and biomass production of baby spinach (Spinacia oleracea L.) leafy vegetable to nitrogen, phosphorus and potassium nutrition.
DEFINITION Practice of growing crops (mostly legumes) and ploughing them under the soil when their tops are green. NOTE : Legumes are the best green manuring.
The Legume and Grass Relationship Why are they such a good combination ?
PROCESS (Design &management)
Harvest & post-harvest Physiology and Preservation.
Development of Vegetation Indices as Economic Thresholds for Control of Defoliating Insects of Soybean James BoardVijay MakaRandy PriceDina KnightMatthew.
Maize trials in Denmark -from design to result Janne Aalborg Nielsen M.Sc.,Teamleader.
Dry Matter vs. As-Fed Basis. Dry Matter vs. As-Fed Important concept in feed analysis Expression of nutrient content or feed amount on a "dry matter"
Peter Williams, Extensive Agriculture Branch Department of Primary Industries and Water.
TIA is a joint venture of the University of Tasmania and the Tasmanian Government Defoliation interval ensures expression of the ‘high sugar’ cultivar.
LEGUMES. PASTURE LEGUMES Climbing & Twining Mainly cover crop species Centro Puero Calapo Upright shrubs & creeping Stylo Desmodium Arachis pintoi Tree.
TIA is a joint venture of the University of Tasmania and the Tasmanian Government Effect of nitrogen fertiliser on botanical composition Lydia R. Turner.
Evaluation of advanced Cowpea lines for agronomic traits, yields, and response to cowpea scab caused by Sphaceloma spp. Dry Land Legume Research Program.
Point Count System for Measuring Ground Cover from Digital Photos. Edward B. Rayburn West Virginia University 1078 Ag. Science Morgantown, WV
Sheep production fed on maize stover (Zea mays) based diet supplemented with varying levels and types of cassava leaves (Cassava esculenta L) in East Java,
Effect of Lolium perenne L. cultivar on milk performance and DMI in spring to early-summer M. McEvoy 1, M. O’Donovan 1, J.P. Murphy 1, N. Galvin 1 Animal.
Centrum voor Landbouwkundig Onderzoek in Suriname Centre for Agricultural Research in Suriname promoting applied technological research… CeLOS Centrum.
Classes of Feeds for Horses Presentation Part 4: Roughages (Continued 2) #8895-B.
Forage quality and methane production of the grazing portion of grass produced under elevated [CO 2 ] A.L. Abdalla 1 ; R. Ghini 2 ; A.S. Natel 1 ; A.L.
CSIR – CROPS RESEARCH INSTITUTE Kennedy Agyeman. Effect of Fertilizer Application and Plant Density on Growth and Yield of Taro.
Accumulation pattern of steviol glycosides in Stevia rebaudiana Bertoni and its stimulation by red light Stijn Ceunen Laboratory of Functional Biology.
Pasture Rotation Karen Hutchinson Virginia Cooperative Extension This presentation is from Virginia Tech and has not been edited by the Georgia Curriculum.
The Environment: Its impact on forage quality and grazing performance
Legumes for better crops
QUALITY OF TOMATO SEEDLING IN APPLICATION BIOPRODUCTS
Legendre H.1, Goby J.P.², Le Stum J.2 Martin G.3, Gidenne T.1
EVALUATION OF POTATO (Solanum tuberosum L
Grassland P & K Advice Mark Plunkett Johnstown Castle, Wexford
Point Count System for Measuring Ground Cover from Digital Photos
Peanuts (a) Since averages are less variable than individual measurements, I would expect the sample mean of 10 jars to be closer, on average, to the.
Grazing Management Kim Mullenix, Ph.D.
Weighted Interval Scheduling
Basfoliar Kelp (AfriKelp®) in Starter Treatment on Sunflowers
Weighted Interval Scheduling
Basfoliar Kelp (AfriKelp®) in Starter Treatment in Maize (1)
… 1 2 n A B V W C X 1 2 … n A … V … W … C … A X feature 1 feature 2
Influence of different Phosphorus fertilization rates on yield and P uptake by rice.
Managing Stockpiled Tall Fescue to Extend the Grazing Season
Presentation transcript:

Effects of defoliation (cutting or grazing on pasture yield

Factors Cutting frequency Cutting intensity Timing Selection (grazed pastures) severity

Effects of cutting frequency on DM yield and protein content of Napier Cutting interval (wks) DM Yield (t/ha) Protein content (%) Protein Yield (t/ha) 3 (17) (13) (9) (7.4)

Conclusion Short cutting interval – low yield, but high quality Long cutting interval – high yield but low quality

Suitable cutting interval Cutting interval giving moderately high yield with good quality Average 4-6 weeks Legumes – needs longer interval

Why does yield decline with frequent cutting? Reduction in soluble carbohydrate for regrowth Reduction in Leaf Area Index (LAI) for photosynthesis Retardation of root growth

Measurement of Pasture Yield Two types : Dry matter on offer – yield at any one time Production Yield – yield over a unit time

Dry matter on offer Use sample quadrats (0.5 m x 0.5 m; 1m x 0.5 m) Place quadrats randomly in field Cut all vegetation in quadrat Weigh fresh and dry all or sub sample in oven at 65 o C for 48 hours Weigh dried sample Convert average weight to kg/ha