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Van Zandt County

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Digestibility is a function of maturity ... Potassium: Tricky. Grazing: limited. Hay: mining possible. First indication: Winter kill ... – PowerPoint PPT presentation

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Title: Van Zandt County


1
Van Zandt County
  • Hay Show
  • 1999

2
Hay Judging
3
Chemical Score
4
Limits to Production in 1999
  • Dry Winter
  • Wet Spring delayed harvest
  • Drought
  • Lots of low quality hay and forage
  • Limited fall growth
  • Winter pasture (?)
  • Grasshoppers Armyworms (?)

5
2000
  • Cattle prices should be up
  • Rebuild grass stands
  • Rebuild hay supplies
  • Winter pasture needs (?)

6
Hay Production
  • Hay Production is the most expensive part of
    cow/calf production
  • Concepts
  • Quality Counts
  • Economic Production Practices
  • MEY Strategy
  • Proper Harvesting
  • Reduction of Storage Losses

7
Producing Quality Hay
  • Plant digestibility
  • What can be used by livestock
  • Plant composition
  • Whats in it.

8
Stage of Harvest
  • Digestibility is a function of maturity
  • Crude protein is a function of maturity and soil
    nitrogen.

9
Maturity effects on Digestibility and Crude
protein.
10
Crude Protein Response to N Rate
11
Bermudagrass and Ryegrass Growth Curve
12
Growth curve
  • First two cutting have the highest yield and
    quality
  • Later cuttings are more expensive per pound of
    hay
  • Stock piling possible
  • use early
  • supplement
  • sward health

13
Weed control in pastures
14
Nutrient removed (lbs./ac) by grazing and hay
production
15
Fertility Management
  • Soil Test
  • Utilize known nutrients
  • Correct deficiencies
  • Correlate with production practice
  • Nutrient Management
  • Maintain production
  • Minimize mining
  • No Soil Test
  • SWAG at best
  • Assume known nutrient removal
  • nutrient replacement
  • Renter mentality
  • Short term vs. long term management goals.

16
Fertility Management
  • Nitrogen Bermudagrass
  • Grazing180 units/year include recycled
  • Hay most responsive with early harvests
  • Hybrid Bermuda 100 units/cutting, split
  • others 60 units/cutting
  • Phosphorus
  • 60 - 120 units per year
  • pH dependent
  • build up with manure

17
Fertility Management
  • Potassium Tricky
  • Grazing limited
  • Hay mining possible
  • First indication Winter kill
  • Late application may be more important

18
Fertility Management
  • Soil pH
  • limits nutrient availability
  • Cool season more intolerant
  • Ryegrass/small grains pHgt5.8
  • Clover
  • pHlt7 crimson, arrowleaf, subterranean, lespedeza
  • pHgt7alfalfa, berseem, sweetclover, vetch, medics
    (?)

19
Fertility Management
  • Secondary Ca, Mg, S.
  • Ca, Mg adjust with lime
  • Mg adds color
  • Sulfur becoming more important
  • Micronutrients Zn, Cu, others
  • responsive if major nutrient needs are met
  • pH regulates
  • pHlt5.5 Zn, Cu, others
  • pHgt7.5 Fe, others

20
Important factors to making quality hay
  • Stage of Maturity at harvest
  • Forage Species
  • Legumes produce better hay (?)
  • Annuals gt perennials
  • Nitrogen for grasses
  • Moisture content at baling
  • Time of Storage
  • Storage conditions

21
Dry matter loss due to Moisture Content
  • Early Respiration Losses (90-gt40 M)
  • Mechanical losses (40-gt15 M)
  • Raking Baling loss
  • Solutions
  • Handle at with moisture (dew, late evening)
  • Crimp/Crush
  • Reduce curing time
  • reduce weathering
  • reduce leaf shatter

22
Minimizing Dry Matter Loss
  • Bale at proper moisture (18-22)
  • Prevent or minimize moisture infiltration after
    baling

23
(No Transcript)
24
Critical Bale Temperatures
25
Moisture considerations
  • Small Rectangular Bales
  • bale _at_ lt22 moisture
  • Large Round Bales
  • bale _at_ lt18 moister
  • large bales retain internal heat longer
  • Any hay baled at gt22 moisture should not be
    stored for one month to allow adequate dryings

26
Major Feed Value Losses
  • Late cutting losses in digestibility
  • Wilting losses in swarth
  • Leaf shattering due to low moisture and improper
    handling
  • Excessive moisture at baling
  • Water infiltration into the bale after baling

27
Large Bale Losses
  • Moisture content _at_ baling
  • Forage type
  • legumes high quality deserve proper storage
  • Rainfall during storage
  • Distribution vs. amount
  • Bale Density
  • Site Drainage
  • Bale Drying

28
Summary
  • 99 got rough (again), 2000 should be better
  • Dont plan on feeding hay, but have a plan to
    feed hay.
  • Effectively efficiently harvest store hay
  • Cheap hay is expensive
  • Rebuild as needed

29
REMEMBER
  • If you always do what youve always done
  • Youll always get what you always got!
  • If that much
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