Report / United States Department of Agriculture, Agricultural Research Service, Northern Plains Area, Natural Resources Research Center

300 Pages·1992·17.2 MB·English

by  United States. Agricultural Research Service. Natural Resources Research Center

Historic, Archive Document
Do not assume content reflects current
scientific knowledge, policies, or practices.

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United States
Department of Natural
Agriculture
Resources
Agricultural
Research
Research
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Center
Northern
Plains Area
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7992 Report
For Additional Information:
James R. Welsh, NRRC Director
Crops Research Laboratory
1701 Center Avenue
Fort Collins, CO 80526
TEL: [phone]
FAX: [phone]

TABLE OF CONTENTS
ROE OG RAEIA l LOCA TIONG: se aaa Cte ote, el hee oe he ws
teery ees OVINER iles cures iat ae hes ey haem ego vege a> Hev eup items * 8 «+ +
NATURAL RESOURCES RESEARCH CENTER
NS SLON SOL ATEMEN Leaner. Fe rc eyes ens sae
NRRC PROGRESS REPORT
Jamesteewclshimeat Stier Piety, yes. eee cec toes 4s Srcrure 66 bes
CENTRAL PLAINS RESOURCES MANAGEMENT RESEARCH UNIT
IVSSI G INS Se ACVL UE Se EE Ree att» ho whe Etats < ss ties 6 ees
POPULATION THRESHOLDS FOR JOINTED GOATGRASS AND
VOLUNTEER RYE IN WINTER WHEAT
R.L. Anderson, D.J. Lyon, G.A. Wicks, S.D. Miller,
ANCE MWCSLa ge yee, Seni Selle Be tres PLES ryrer i wens deme se es
EFFECT OF CROPPING ROTATIONS AND TILLAGE ON
EMERGENCE OF JOINTED GOATGRASS AND DOWNY BROME
ReleeAnderson and -D:GeeNielsen verre spc: reece ey eet ee
CLOMAZONE (COMMAND) FOR CONTROL OF JOINTED
GOATGRASS AND DOWNY BROME IN WINTER WHEAT
R:GeAnderson,.€,G; Ross,and,S.D-Millern., 0. -es-u>s. s+s
CULTURAL MANAGEMENT SYSTEMS FOR WINTER ANNUAL
GRASS CONTROL IN WINTER WHEAT
R.L.- Anderson ~ 0082-5. oe ee ee a
WEED MANAGEMENT SYSTEMS FOR SUNFLOWER
R.L. Anderson, D.L. Tanaka, and D.J. Lyon ............. 29
GROWTH AND INTERFERENCE OF PROSO MILLET IN
DRYLAND CORN
R.L. Anderson, S.E. Hinkle and A.D. Halvorson ........... 31
PSEUDOMONAS BACTERIA AS A BIOLOGICAL CONTROL
AGENT FOR DOWNY BROME IN WINTER WHEAT
A. Kennedy, A.J. Ogg, Jr., P. Stahlman, and
Re Andersons ih is. vs ee ase oe eee 33
TOLERANCE OF OATS, FOXTAIL MILLET, PROSO MILLET,
AND SUNFLOWER TO CLOMAZONE (COMMAND) AND ATRAZINE
D.J/ Lyon‘and R:L.*Anderson® \) 2p creer ee 35
METHOD DEVELOPMENT FOR EVALUATION OF C AND P
POOLS TO ASSESS SOIL QUALITY
Rudy:A? Bowman... i. 5 5.2220 san | «ees ee ee 37
P, C, AND MICRONUTRIENT DYNAMICS UNDER ALTERNATE
CROPPING AND TILLAGE SYSTEMS
R. A. Bowman, A. D. Halvorson, R. L. Anderson, S. E.
Hinkle, D> C2 Nielsen} and M: FE) Vigil a2 xeceee eeee ee 39
P and ZN DYNAMICS IN NO-TILL WHEAT AND CORN
R. A. Bowman and*A: DHalvorson™ #272. - 37... 41
COMPARISON OF CRP LAND IN VARIOUS STAGES OF REST
WITH WHEAT-FALLOW AND ADJACENT GRASSLAND
RAC Bowman "ot %, 66a 2 A OPER Aa eet ae, Ree ee ee 43
MANAGEMENT OF PHOSPHORUS FERTILIZER FOR DRYLAND
WINTER WHEAT IN REDUCED TILLAGE SYSTEMS
A. D. Halvorson, J. L. Havlin, and R.A. Bowman .......... A4
EFFECT OF NITROGEN FERTILIZATION ON WATER-USE
EFFICIENCY BY CROPS GROWN IN AN ANNUAL CROPPING SYSTEM
Ardells Dr alvOrsofiies <2. 4. os ee. x ee eee 46
id
CROP ROTATION AND NITROGEN FERTILIZATION FOR
EFFICIENT WATER USE
PATCCHIL). BL alVOrsOD gee o We skeen. uc Yowniees P< fever <teres + ss 48
NITROGEN FERTILITY NEEDS OF CROPS GROWN WITHIN A
REDUCED TILLAGE, FLEXIBLE CROPPING SYSTEM
Aa ese alvorson and..G. A Reule. .posuen ore o oceuce cme uinews + se 50
EFFECT OF TILLAGE SYSTEM AND CROP ROTATION ON
WINTER WHEAT YIELDS
A.D. Halvorson, G.A. Peterson, S.E. Hinkle, and M.F.
VF aE UR Ms Ns eh ace Sty «00 sce 4 es 52
EVALUATION OF MANAGEMENT PRACTICES FOR
CONVERTING CONSERVATION RESERVE PROGRAM (CRP) LAND
BACK TO CROPLAND
A.D. Halvorson, R.L. Anderson, and S.E. Hinkle .......... 54
EVALUATION OF ALTERNATIVE CROP ROTATIONS TO
WINTER WHEAT-FALLOW
A.D. Halvorson, R.L. Anderson, S.E. Hinkle, D.C. Nielsen,
eA SROm Mane Anda VIG a. sies em te eye sys ges ses we 8 os 56
CROPPED-LEVEL-TERRACES IN PASTURES
STYCG r e Rew ELK II C Med Chee wed eel och nck Ooh olen FA Sgteetimnyyne «coe es 59
WHEEL-RIDGE-TERRACE STRIP-CROP FARMING
STOUT iae ee eh tL LC ane eg ae we 61
CROP RESIDUE DIFFERENCES WITH TILLAGE
SYN VEC VEI TTESC S% ays yS eg yc Bre a 63
DRILLED DWARF-CORN PRODUCTION STUDY
S(EVCTER EETINKICN FErreeyal | tee Tice ie eee PS... 65
IRRIGATED SOYBEAN YIELD AND WATER GRADIENT
SAUTE, TIN af eae BOOS is 67
IRRIGATED CORN POPULATION-YIELD STUDY
Steven E. Hinkle and David C. Nielsen ................. 69
CROP ROTATION AND TILLAGE EFFECTS ON WATER USE,
WATER STRESS, AND YIELD OF ALTERNATIVE CROP ROTATIONS
FOR THE CENTRAL GREAT PLAINS
D.C. Nielsen, A.D. Halvorson, R.L. Anderson, and S.E.
Hinkle seg eied ott on base Meech Re en RE te ra ee 71
FIELD EVALUATION OF CORN CROP COEFFICIENTS BASED
ON GROWING DEGREE DAYS OR GROWTH STAGE
David C. Nielsen and Steven E. Hinkle ................. 75
RIDGE-PLANTING TEMPERATURE EXPERIMENT
David C. Nielsen and Steven E. Hinkle ................. fe
SUNFLOWER STUBBLE, WIND VELOCITY PROFILES
David C. Nielsen and Steven E. Hinkle ................. 719
NITROGEN RESPONSE OF SPRING AND WINTER CANOLA
Merle F. Vigil, Ardell Halvorson, and Bill Beard ........... 81
INVESTIGATION OF BASE TEMPERATURE AND PLANTING
DEPTHS OF SPRING CANOLA AND SAFFLOWER
M.F. Vigil, R.L. Anderson, A.D. Halvorson, and B. Beard..... 83
CARBON AND NITROGEN MINERALIZATION FROM
DECOMPOSING CROP RESIDUES
IMEP e VIGTL ANOS SmeSCUCDCISe ee. ke 85
AN EVALUATION OF NITRIFICATION INHIBITORS AND
PRECISION PLACEMENT OF LARGE UREA PELLETS FOR
IRRIGATED CORN
M.F. Vigil, J.F. Power, J.S. Schepers, D.D. Francis
ANC cA MIOSICDs et ee a ee a ee 87
GREAT PLAINS SYSTEMS RESEARCH UNIT
MISSIONS TAP CREMINE G cnet te s oy eee ee are a eee 93
ANALYSIS OF GREAT PLAINS CROPPING SYSTEMS
GEV emorr COlesert tee es 8 A Eee ee” eee 95
iv
DEVELOPMENT AND TESTING OF MODELS AND DATABASES
TO HELP PROVIDE SUSTAINABLE AGRICULTURAL
PRODUCTION SYSTEMS
MJ Sshatichae are eee ele Gee.
SUSTAINABLE AGRICULTURAL PRODUCTION SYSTEMS FOR
THE GREAT PLAINS
STEZOTYR SAIC MAStC IME tueME Re Meme Ry wee tae sk es
ECOLOGY AND MANAGEMENT FOR SUSTAINED RANGELAND
PRODUCTION IN THE GREAT PLAINS
Pel BH ansOnandeb:b y peak Cb des pode. o caoksudeeceswdemince*s ¢s s
THE ROOT ZONE WATER QUALITY MODEL (RZWQM)
VALIDATION AND ENHANCEMENTS
K.W. Rojas, M.J. Shaffer, J.D. Hanson, C.V. Alonso,
R.M. Aiken, G. McMaster, L.R. Ahuja, Q. Ma,
ACV EAE CELCLD A i arr ee ekg Sin sss
APPLICATION OF THE NLEAP MODEL TO REGIONAL
NITRATE LEACHING ALONG THE SOUTH PLATTE RIVER IN
EASTERN COLORADO
IMM eratlerandte,Wi. WAYNE tes RR aed. ce ene we ws
ROOT ZONE WATER AND CHEMICAL TRANSPORT AS
ALTERED BY MACROPORES
Rpplemm lilt aganic Ke eS OUNSCD eer ee ices ae ear acs 3 es 8s
ROOT ZONE WATER AND CHEMICAL TRANSPORT AS
AFFECTED BY MANAGEMENT AND ROOT WATER UPTAKE IN
ROW CROPS
rcrre OUT AmtpatC sete eeA UG ANS coy clc es me cieuse se' 04.e yo pw h6 wee re t es
TWO-DIMENSIONAL CHARACTERIZATION OF TRANSPORT IN
VARIABLY-SATURATED SOILS
C.V. Alonso, J.G. Benjamin, F.C. Lai and H.D. Rector......
QUANTIFYING CROP RESIDUE ARCHITECTURE AND
REGULATION OF HEAT AND VAPOR FLUX
GAY Alonso. and. RovMwA ikeng Oo 6. Sith occa cute emcees eee © she
SEDIMENT INTRUSION AND DISSOLVED OXYGEN
TRANSPORT IN THE SFSR SPAWNING AREAS
GAY MAIOOSOIANG RAN. HAVIS 2 0 oe ss ls a ss wee a 6 0s aie a eels
OPUS MODEL COMPLETION AND APPLICATIONS
VAP Perreita tt. fe letsts 540 ree et eee ee, ae ee 119
Ni ARCITCII As 6 oe 2b lak 4 ict witciaccdl > dehh-6 aa a ee ee 121
CHARACTERIZING MANAGEMENT - TEMPORAL AND
SPATIAL VARIABILITY IN SOIL HYDROLOGIC PROPERTIES OF
FIELD SOILS
G. Dunn, L.R. Ahuja, R.D. Williams, and D.J. Timlin ...... i273
PREDICTION OF LONG-TERM CHANGES IN CARBON STORAGE
AND PRODUCTIVITY OF U.S. SOILS AS AFFECTED
BY CHANGES IN CLIMATE AND MANAGEMENT
JE SHansomandsh- ts.b akcta aet-eete.. 6c ae ee cass ee ae ee 126
DEVELOPMENT OF A COMPREHENSIVE MODEL FOR SOIL
GAS FLUX AND REACTION
Niele Shattereand esb em eca0 ia eee ed so ene ore 129
RANGELAND RESOURCES RESEARCH UNIT
MISSIONES PATEMEN Tilste. fret isc ins eels aon ara a ee ee 137
LEGUMES FOR RANGELANDS: DROUGHT RESISTANCE IN
DRYLAND ALFALFA
SPAS MOrpatitee + ek. tks ger. SEE. RAE, ces seca 139
RESPONSES OF RANGELAND GRASSES TO CO, AND
TEMPERATURE
DAT MOl oat ee gee eee es gery sc ea eee a oe 141
ALFALFA INVESTIGATIONS
CTE SLOW USCOC rm gn 143
PHYSIOLOGY AND GENETICS OF ISOFLAVONOID
ACCUMULATION IN CICER MILKVETCH
Andrew W. Lenssen, Charley E. Townsend, and
Susans WIVatiNaers ee eee eS cas Ws gind s adc AE 144
Vi