Alternative Forages to Replace Winterkilled Alfalfa · Paul Peterson, Marcia Endres, Doug Holen,...
Transcript of Alternative Forages to Replace Winterkilled Alfalfa · Paul Peterson, Marcia Endres, Doug Holen,...
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Alternative Forages to Replace Winterkilled Alfalfa
Paul Peterson, Marcia Endres, Doug Holen, Craig Sheaffer, Vince Crary
Univ. of MinnesotaDan Undersander, Mark Bertram, and Phil Holman
Univ. of Wisconsin
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Acknowledgements
MN Dept. of Agric. Sustainable Agric. Demo. Grant Program, NCR SARE Producer GrantDavid and Julian Sjostrom, Pelican Rapids, MNAgassiz Seed, CROPLAN Genetics, MycogenSeeds, and Olds Seed SolutionsBarenbrug USA
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Emergency Forage Trials: “911 Forages”Collaborative MN-WI-MSU effort
6 locations (2 MN, 3 WI, 1 MSU)MN 2002 and 2003, WI 2003 and 2004
Determine influence of planting date and location on relative yield and quality of some emergency forage options3 planting dates:
Early-mid MayEarly June~ July 1
17 entries 3 replications
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“911 Forages” “TALL” Entries“Tall”, 1-cut
3 corn varieties for silage: 81, 95, 103 RMBMR forage sorghum
“Tall”, multi-cutSudangrassBMR Sorghum X SudanJapanese milletHybrid pearl millet
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“911 Forages” “SHORT” Entries“Short”, 1-cut
Golden German foxtail milletSiberian foxtail millet“Early” Soybean (RM 0.8, RR)“Late” Soybean (RM 2.3, RR) Oat/peaBarley/peaForage barley
Alfalfa
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“911 Forages” Planting Rates30-36” rows
Corn: 32,000 plants/acBMR Forage Sorghum: 10 lb/ac
6-8” rowsSudan, SxS, all millets: 25 lb/acBarley: 80 lb/acSmall grain-pea: 125 lb/acSoybean: 100 lb/acAlfalfa: 15 lb/ac
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“911 Forages” Fertilization
One-cut grasses: 100 lb N/acCorn, forage sorghum: 150 lb N/acMulti-cut grasses: 50 lb N/ac per harvest
100-150 lb N/ac/yrP and K high
2003: No N applied at Pelican RapidsHeavy manure in fall 2002
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“911 Forages” Harvest TimingOptimize yield and quality
Corn: ½ milk or 65% moistureForage sorghum: soft dough or 65% moistureMulti-cut talls: 36” to 6-8” residual, last cut to 3” res.Foxtail millets, barley: late bootSmall grain/pea: early milkSoybean: R6.5Alfalfa: 60 DAE, then every 30 d
One to three harvests depending upon entry, planting date, and location
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911 Seeding at Pelican Rapids (NW MN) in 2002
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Sorghum x Sudan and Sudangrass at Spooner – Early June Planting
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Pearl and Japanese Millet at Spooner – Early June Planting
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FORAGE DM YIELD of crops planted mid-May2002 and 2003 at Pelican Rapids, MN, and harvested 1 to 3 times.
02468
1012141618
81d
Corn
95d
Corn
103d
Cor
nBM
R So
rghu
m
Suda
nSx
SJa
p M
illet
Hyb
Prl M
illet
Barle
yBa
rl/Pe
aOat
/Pea
0.8
Soyb
ean
2.0
Soyb
ean
Sib
Foxt
Mill
Germ
Fox
tMill
Alfa
lfaLS
D (0
.05)
DM
Yie
ld (
T/ac
)
20022003
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FORAGE DM YIELD of crops planted July 32002 and 2003 at Pelican Rapids, MN, and harvested 1 or 2 times.
0
1
2
3
4
5
6
81d
Corn
95d
Corn
103d
Cor
nBM
R So
rghu
m
Suda
nSx
SJa
p M
illet
Hyb
Prl M
illet
Barle
yBa
rl/Pe
aOat
/Pea
0.8
Soyb
ean
2.0
Soyb
ean
Sib
Foxt
Mill
Germ
Fox
tMill
Alfa
lfaLS
D (0
.05)
DM
Yie
ld (
T/ac
)
20022003
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BMR Forage Sorghum Planted May 21, 2002 at Pelican Rapids (NW MN)
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Emergency Forages StudySeptember Harvest of Corn and Forage Sorghum Planted July 3, 2002 at Pelican Rapids (NW MN).
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MILK PRODUCTION per ACRE (Milk2000, UW) for crops planted May 16 vs. July 2, 2003, at Pelican Rapids, MN, and harvested 1 to 3 times.
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
20,000
81d
Corn
95d
Corn
103d
Cor
nBM
R So
rghu
m
Suda
nSx
SJa
p M
illet
Hyb
Prl M
illet
Barle
yBa
rl/Pe
aOat
/Pea
0.8
Soyb
ean
2.3
Soyb
ean
Sib
Foxt
Mill
Germ
Fox
tMill
Alfa
lfaLS
D (0
.05)
Milk
/Acr
e (l
b/a
c)
16-May
2-Jul
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MILK PRODUCTION per TON (Milk2000, UW) for crops planted May 16 vs. July 2, 2003, at Pelican Rapids, MN, and harvested 1 to 3 times.
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
81d
Corn
95d
Corn
103d
Cor
nBM
R So
rghu
m
Suda
nSx
SJa
p M
illet
Hyb
Prl M
illet
Barle
yBa
rl/Pe
aOat
/Pea
0.8
Soyb
ean
2.3
Soyb
ean
Sib
Foxt
Mill
Germ
Fox
tMill
Alfa
lfaLS
D (0
.05)
Milk
/Ton
(lb
/ton
)
16-May
2-Jul
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Final (Mid-Sept.) 2002 Harvest of Sudangrass and Hybrid Pearl Millet at Pelican Rapids (NW MN)
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Forage yield of annual crops planted June 5 vs. July 1 in MN and WI in 2003 (avg. of 5 locations)
(Sudan, SxS, Japanese and pearl millets, alfalfa harvested 2-3X; others 1X)
012345678
81d
Corn
95d
Corn
103d
Cor
nBM
R So
rghu
m
Suda
nBM
R Sx
SJa
p M
illet
Hyb
Prl M
illet
Barle
yBa
rl/Pe
aOa
t/Pea
0.8
Soyb
ean
2.0
Soyb
ean
Sib
Foxt
Mill
Germ
Fox
tMill
Alfa
lfa
DM
Yie
ld (
T/ac
) June 5 July 1
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Foxtail Millet, Soybean and Small Grain/Pea
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Foxtail Millet and Soybean at Spooner – Early June Planting
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Forage in short time
0
0.5
1
1.5
2
2.5
3
3.5
Yie
ld (
t/a)
alfalfa barley barley/pea oat/pea
Arlington - MayArlington - JuneArlington - JulyMarshfield - MayMarshfield - JuneMarshfield - JulySpooner - MaySpooner - JuneSpooner - July
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Millets for emergency forage
0123456789
Yie
ld (
t/a)
GermanMillet
SiberianMillet
JapaneseMillet
PearlMillet
Corn 90-95 day
Arlington - MayArlington - JuneArlington - JulyMarshfield - MayMarshfield - JuneMarshfield - JulySpooner - MaySpooner - JuneSpooner - July
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Sorghums and Sudangrassesfor emergency forage
0
2
4
6
8
10
12
14
16
Yie
ld (
t/a)
Sudangrass Sorghum-sudangrass
JapaneseMillet
Sorghum Corn 90-95
Arlington - MayArlington - JuneArlington - JulyMarshfield - MayMarshfield - JuneMarshfield - JulySpooner - MaySpooner - JuneSpooner - July
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Alfalfa and Soybeans for emergency forage
0
1
2
3
4
56
7
8
9
Yie
ld (
t/a)
alfalfa Soybean 0 Soybean II Corn 90-95
Arlington - MayArlington - JuneArlington - JulyMarshfield - MayMarshfield - JuneMarshfield - JulySpooner - MaySpooner - JuneSpooner - July
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Barley/Peas for Silage on Krause Farm in Buffalo (Central MN)
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Small Grain-Pea MixturesCut at early head - early milk for maximum nutrient yield (oat at early milk, pea late flower)Pea improves CP and RFV and lengthens harvest windowEarlier planting dates yield more and favor peas and qualityHarvest 60-70 days after seedingCan use oat, triticale, or barley; barley ready earliestLater planting dates favor small grainMust physically mix seed to reduce seed segregationNo N fert; pea provides N
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Soybean for Forage
Up to 6 ton DM/ac, 19% CP, 44% NDF, 61% DDM when planted earlyHarvest at R6 (full seed) to R7 (first pods turning color)Grain types probably better than forage types (too late maturing); similar yield, higher quality because of grain Ensiling ability due to high oil in seed?
mix with grass (WI recommendation)
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Emergency Forages Conclusions
Goals? Needs? Timeframe? Seed costs/availability?Best tonnage/energy options
Its tough to beat corn silage, even at late planting datesBMR forage sorghum similar/better yield, but similar/lower FQ
Multiple-cut/graze options?Sudangrass, sorghum x sudan, and hybrid pearl millet (no prussic acid concerns) competitive with corn yield when warm/wet; higher CP, but lower energy; need warm soil
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Emergency Forages ConclusionsFoxtail millets (especially German)
Impressive yields within ~2 monthsCONSISTENTLY good, clean standsFairly low quality – too mature?
Small grain (& pea) best planted early – best quick, high-quality optionSoybean impressive forage yield and “alfalfa quality”
Up to 6 ton DM/ac3 ton DM/ac from July 1, 2003 (drought!) St. Paul plantingHow harvest/handle?
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Italian Ryegrass in Stearns Co. in August 2004
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Italian and annual ryegrass yields in Stearns Co., 2004 (Seeded 30 April 2004, 5 harvests, Univ. of MN and Barenbrug USA)
Variety Description DM Yield (T/ac)
Barextra Tetraploid Italian ryegrass, veg. 6.5
Jumbo Tetraploid annual ryegrass, head 6.4
Bardelta Diploid Italian ryegrass, veg. 6.2
LM 270 Diploid annual ryegrass, head 6.0
Baridana Orchardgrass, veg. 3.7
Jim Oat, boot 2.3
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Italian ryegrass forage quality and milk production potential in Stearns Co., 2004(Seeded 30 April 2004, 4 harvests, Univ. of MN and Barenbrug USA)
Variety Descr. Harvest(s) DM Yield (T/Ac) RFQ RFV
Milk/Ton
Milk/Acre
4X IRG
2X IRG
4X IRG
193
2X IRG
OG
19,0003,130
181
6.5
6.2
1.5
17,500
1.3
3,030
1.1
2,930
2,750
2,160
4,480
3,520
2,400
164
150
124
143
138
119
111
101
Barextra 4 harvests
Bardelta 4 harvests
Barextra Sept. 27
Bardelta Sept. 27
Baridana Sept. 27
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