HomeMy WebLinkAbout840494 AR19b0585 ORDINANCE NO. 108
PERMIT NO. 84-14
PERMIT FOR PLOWING GRASSLAND
APPLICANT NAME: Lillian C. Allmer
for Floyd Allmer, Estate
ADDRESS: 51294 WCR 76
co o Briggsdale, CO 80611
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a LEGAL DESCRIPTION OF PROPERTY TO BE CULTIVATED (Map delineating
0 3 the proposed land use change attached) :
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Ell Section 34 , Township 7 North, Range 60 West of the
6th P.M. , Weld County, Colorado
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coS APPROVED SOIL CONSERVATION PLAN ATTACHED. Yes
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rn H PERMIT ISSUED BY THE CLERK TO THE BOARD OF COUNTY COMMISSIONERS
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DATE : 3 /ao �E3� Weld Cgunty Clerk & Recorder
U a and Clerk to the Board
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This permit is issued pursuant to Weld County Ordinance No . 108
adopted by the Weld County Board of County Commissioners
on May 19, 1982 , and requiring the issuance of permits for
the plowout and cultivation of grassland. Pursuant to Ordi-
nance No. 108, the landowner is required to follow a conserva-
tion plan approved by the local Conservation District Board.
The landowner is advised to contact the local Soil Conserva-
tion District Board for any amendments or updates to the
Conservation Plan .
RECORDER'S MEMORANDUM
AT THE TIME OF RECORDATION, THIS IN-
S1'RUMENT WAS FOUND TO BE INADEQUATE
FOR THE BEST PHOTOGRAPHIC REPRODUCTION
BECAUSE OF ILLEGIBILITY, CARBON OR PHOTO 840494
COPY, DISCOLORED PAPER. ETC.
Township- , Range_La___ J Z_, County G Je id - ,State Zle.,h rG GZ Q ,
ORDINANCE NO. 108
PERMIT NO. 8.41/— //
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FORM 50F
B 1024 REC 01960585 03/27/84 11: 07 $0. 00 2/028
F 1894 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
West Greeley Soil Conservation District
P.U. Box 613 +•ulcy,Colorado 80632
RESOURCE OR LAID USE PLAN REVIEW
APPLICANT PROPERTY OWNER
OU Name: Lillian C. Allmer Name: Floyd Allmer, Est.
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ri0 Address: 51294 WCR 76 Address: Floyd .Allmer, Est.
Briggsdale, CO 80611 Lillian Allmer, Admin.
51294 WCR 76
0 3 Briggsdale, CO 80611
w DATE OF REVIEW: March 12, 1984
O ACREAGE BY LAND USE IN CONSERVATION PLAN:
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Current Conservation Plan revised to change field 16 (313 ac.) to
w Non-irrigated Cropland.
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Z LEGAL DESCRIPTION OF PROPERTY TO BE CULTIVATED: (Map delineating the proposed land use
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Ek Section 34-T7N-R6OW
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PLAN DISPOSITION: approved as presented
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COMI O.TS:
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i % .•'� WEST GREELEY SOIL CONSERVATION DISTRICT BOARD
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CONSERVA1 ION I)EVFLOPNIFNT - SE! f GUVI_.HNMr NT (Rev. 4/83)
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B 1024 REC 01960585 03/27/84 11 : 07 $0 . 00 4/028
F 1896 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
SCS-CONS-T6 .DEPARTMENT OF AGRICULTURE
OCTOBER 1974 Eli Sec. 34-T7N-R6OW sol.CONSERVATION SERVICE
CONSERVATION PLAN MAP
Owner Floyd Allmer, Est. Operator Lillian C. Allmer, Adm.
_ County Weld State Colorado Date 3/1984
Approximate acres. 313 ac. Approximate scale 8" = 1 mile
7 - Cooperating with West Greelev Soil Conservation District
IN Plan identification scs ACR. #2000 Photo number As CS uhoto Z-17
!______1_ Assisted by Ron Miller USDA Soil Conservation Service
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SCS-CONS-15 E' 34-T7N-R60W I.S. DEPARTMENT OF AGRICULTURE
OCTOBER 1974 SOIL CONSERVATION SERVICE
14
SOIL MAP
y4 Owner Floyd Allmer, Est. Operator Lillian C. Alliner, Mm
J County Weld State Colorado
Soil survey sheet(s) or code nos. N. Weld Sheet #40 Approximate scale 2-6411 = 1 mi-
" Prepared by U.S. Department of Agriculture,Soil Conservation Service cooperating
Iwith West Greeley Soil Conservation District
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MORGAN COUNTY
B 1024 REC 01960585 03/27/84 11 : 07 $0 . 00 6/028
F 1.898 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
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INSTRUCTIONS
(N o
v PLANNING AND APPLICATION RECORD
o FOR STUBBLE MULCHING
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0 3 Field Number or Name-Field designation as shown on the Conservation Plan Map.
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w Acres-From the Conservation Plan Map.
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Soil of Major Hazard-The major soil of the field, or the soil of greatest hazard if it is more
o significant to the field than the major soil.
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Wind Erodibility Soil Group (WEG)-Determined by soils from Guide for Determining Adequate
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co v Wind Erosion Control Systems (Guide) for the Work Unit or County location of the field.
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• W Width of Exposure-The furthest distance the prevailing wind travels over the vulnerable part
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o a of the field.
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op W Specifications-Determined by use of appropriate Soil Loss tables from the Guide. This is
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z determined in pounds of flat small grain residue equivalent. (If crops other than small
on 4
grains are grown, this figure must be converted to the grown crop by use of the Chart
to Determine the Amount of Residue of Various Crops Needed to Equal a Given Amount
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of Flat Small Grain Stubble from the Guide.)
o
o rn Application-This becomes a record by years of each field at planting time, or other appropriate
time such as the late fall when new growth has reached its maximum before going dor-
mant for the winter. Enter the amount of all residues on the soil surface, whether
fallowed or tilled, or of stubble standing from the previous crop. This should be con-
verted to flat small grain stubble equivalent. If a part of a field is cropped and the
remainder is fallowed, residue amounts should be entered from both areas.
OIL EROSION 1`::CTC . TA' .
:,,rLMER PLOW:JUT P_ N
it 1 — SURFACE E SLOPE . �.{_ P r`n . US LE FACTORS td INL FPO. 60 1L65
.::Y �L�It. t L L11; i. i- ��� 4 �...
NME TEXTURE P:1NSE COMP NIP :R A i P C r•,E2 NUMBER
C:. FINE 1. , TO r- PFPCU4T r. • O.PF
A SCC:.`Di Fa. 0— SS 'PE . . 17 5 60 '5i_ q r0000 i
..D . nNt•t' ., NN LOAM , 0 TO e PERCENT SLOPES
S) N CN44. O'._`3 .e. FINE BAND`. _^^y v , C 70 O . .ERCEN T SLOP..,ESS.
--.; FS; 0— _ 4 r rE 20 i 5 CI0,� 57.
._e'{_. � s' �L i.: ��� _ .:i._ ,.,__ 5 is%.. .J l 3 y;. ._
B 1024 REC 01960585 03/27/84 11 : 07 $0 . 00 9/028
F 1901 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
..c::34 SOIL LOSS Tl'4ES'LE PROF ..
.TIL_ DE PR(.CTICES ry �i
O U l UP & r._O: CROSS '''LOPE NTO R CO SS
SLOPE CONT :R
i"iAs=:� _i`... .rl\ s;. 1T ��itil l _ �:.•1E. r=�.__C� CidT. ,,Itt!!-t�� ;'�:3;.:r ..1
St..P NARY HILL ih/O _TR I^'_� '"ARN-NO : ITH STRIPS STRIP
WE N4
ry ^.SC :. D FINE 'A' Y `O('�: O 6 PERCENT S_O^
i�`i L�I�`i"'F {•��!.s 1•':... ! I`i �i `:L �f'E i`i� . LO n. , ... .—_.
t - C .33 -3- 2.
s
. T)._7 '' IC -• .0 -- . . • 4. .. ...- z . ... s:•. 7
C) MA C .',...U E 1 .6. 1 .9.: 3 ...._ 1 _C.:• 6. a4
o ) ,;i..1 1<. w}_f ii P LEN t T;..; 1 783,6 3,6 r:.:•.�E,.q....; •fi•A*4�3• :S:;• :.?f 0. 4.14--At-
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n ��^1`..a iCTl}R .;.(i_7 .87 ..30 .JT .tom'..4
k.C74,1:2 i Uk'A ._O`CI , 0 TO n PERCENT NT SLOPES
K _ ...nom.. i?:. Efi ... -.:i ₹•� :aE - I
'5 C .. .:3 2.
A. SOIL LOSS . . .6 . . . - ••_
2.l L - .._l': 7 .'.2 -•' 4.t: - 4.7 - 4 . 5
C.: . fl.. I:s' _ 2.2S 2.68 4,Y; Wit . J... . 1 .t
s; S: ry_ LEETri
y' 7,5. 7; 1:a I•0• i t-4. ..c
_. P .-.'I .'TnR 1 .00 ..O Mt .30 . 77 ..
,,,iC.N`t1 OLNEY n INS SANDY LOP3P: r' TLS 6 . N ERCE SLOPES
,�:-� S
4(_)f, tiff• . ..:1—,
� .�.0�+ .�::.. Li, .. ..__ '
-• 7 C' .33 5 _ 7.. '_S .4
�~ l-. h r+E' 1 . . .�•'
(=? <: C ;.Ef__UE 1 .37 _ . 6 2. . - . - .. .4u
3 ) .':A., SLOPE L;NOTN 4.5947 0736 d}e k' :.itir•4.
...... FAO-OR 1 .0Q .B5 - - _31i .Cy
'•4: SOIL LOSS ! i0:�e�S/ C E FO ~ E~ . .• L..::�.
t -- ,:.7 ':. EROSION ''- �'i"� VALUE.E-.. 4 ' I. I r:_ C THAT A S•!—
t;. I?i . �i,�:`;C� Ii. ...t��0,.,il..i�; i�Ai . _ s� N� . r=E lvi� .. . _ T ._iiO�
E.i:__i•u ; A ' ' INDICATES THAT EROSION LESS THAN T.
_ .' . HE ;`1:..,IUS1 C Yi•'iL.U.JE :AT AO_ .✓ KEEP ,3L — LOSS ,..; :-. R E , C-I ' EN SLOPE.
Ti, :nn; I I ,S• nr w' 'AT j'OU• .nom LOSS T . t^,.',
i . ..... :!`''.i.is fL.�;�1 -:JL'J",�. i_t.ai�.:ITN ".'t'! 'I J!�L ...�..:.� SOIL:1... UNDER �'....: . `."tom.
GIVEN C VALUE.
B 1024 REC 01960585 03/27/84 11 : 07 $0 . 00 10/028
F 1902 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
Co 'erat:.tt''.. .'-;.. ._(:!?'s Flow...' ' Plan
Pinner
F'' ia':! iiiJ unit .,.
T'ite : 03/16/24
_ _ . i'_'y Su race ce Slope '. CL=I;'? .. USLE ELturs Wind Erosion
Name Texture Ran 5e Cop NI!' IR `, !? C :.;=L:
3 NO N4• =-1S A:nN FINE SANDY _iris'':, 0 7fl 6 PERCENT ELOPES
ASCALON L..
) ::'i::N40 NUNN LOAM, 0 70 6 PERCENT SLOPES
NUNN ti_ ,1- _ Prs .24 7 60 r0 6 49
�t ! n O 'S' FINE SANDY
LOAN,
Ot•�A TO_ PERCE S- O-. S
,]1 iN L.r';`.^i• t�!_1. ;�Y-!I�, .�:J :'[� 0 G , �i _".'�; 1 J L �..is
'! %.:.P:7,., ; _ '.t 1 ] 4E 20 .2C 5 AO 70 3 26
B 1024 REC 01960585 03/27/84 11 :07 $0.00 11/028
F 1903 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
***** Input Dat= foe Case Number 1 »#»##
Soil Aggregates Greater Than 0.24 mm: 25.0%
Windward Knoll Slope : .0%
From Top of Knoll ( ) or from upper Third ( )
Ridge weight = 2. 0 22cheo ; Ridge Spacing : 12.0 inches
Ridge Roughness : _. _
Field ie Smooth ( ) 0z Rough (X)
Climatic Factor: 60.0%
Wind Angle : 45.0 degree:
Preponderance of Wind Erosion Forcer : l .2
Height of Barrier : .0 feet
Field Width : 408.0 feet
Vegetative Cover: S5O.0 Its/acre
gm611 Grain Stubble (X)
Flat (X) or Standing ( )
Small Drain Seedling or Steeling ( )
Furrow ( ) o: Smoot: (
Sorghum Stubble ( )
Flat ( ) or Standing ( )
Estimated soil erosion is : 4.3 tens/acre/year or
7.7 metric tons/hectare/year
B 1024 REC 01960585 03/27/84 11 : 07 $0. 00 12/028
F 1904 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
#* ** Input Data fur Ease §amber 2 »+#4+
Soil Aggreg ter Greater Th.n 0 .24 fm: 45.07
Windward Knoll Slope = .03
From Top of Knoll ( ) or {.rem Upper Third ( )
Ridge Height : 2. 0 :aches ; Ridge 3Pating: 12.0 inches
liege Roughness : 5.0
Field is Smooth ( ) 0r Roagh (>)
Climatic Factor: 60.03
Wind Angle : 45 .0 degrees
Frepunderance of Wind Erosion Forces : 1 .2
Height of Barrier : .0 Feet
Field Width : 408.9 fee%
Vegetative Cover: 850.0 is/acne
Small GPaii Stu§ble (K)
Flat (X) or Standing ( )
Small Grain Seedling ur Stooling ( )
Furrow ( ) or Smooth ( )
Sorghum Stubble ( )
Flat ( ) or Standing ( )
2,tim ted soil erosion is : 1 . 1 tens/here/year of
2.6 me:eio tuns/hectare/year
B 1024 EEC 01960585 03/27/84 11 : 07 $0 . 00 13/028
F 1905 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
4*** Input Data fee Case Nu e 3 **
Soil Aggregates Greater Than 0.24 %m: 2J.0Q
Windward Knoll Siope ; .0%
F om Top of Knoll ( ) or from Upper Third ( )
Ridge Height : 5.0 inchee ; Ridge Spacing: 12.0 inches
Ridge Roughness : 3.0
Field is Smooth ( ) or Rough (X)
Climatic Factor: 60.0%
Wind A2§le : 45 .0 degrees
Prepoederanc of Wind Ero :on Forces : 1 .2
Height of Barrier : .0 feet
Field Widtb : 408.0 feet
vegetative cover: 950.0 l. a/acre
Small Grain Stubble (X)
Flat (X) or Standing ( )
Smal = Grain Seedling or •Scaling ( )
Fu-crow ( ) u Smou h ( )
gorgh m S .bbl■ ( )
Flat { ) of Standing ( )
Estimated soil erosion is , 4 . 3 toes/acr /year o
9 .7 metric suns/hearelyear
B 1024 REC 01960585 03/27/84 11: 07 $0. 00 14/028
F 1906 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
** Inpu. Data for Case Number 4 #****
Soil Aggregates Greater Than 0 .84 mm: 23.02
Windward Knoll Slope : .0%
From Top o2 Knoll ( ) or from Upper Third ( )
&i : e Heiht : 3.0 inches ; Ridge Spacing: 12.0 iAchec
Ridge Roughness : .0
Field is Smooth <X) ee Reag? < )
Climatic EaL :o f : 60.02
Wind Angle : 43.2 degrees
Preponderance of Wind Erosion Forces : : .2
Height of Oarrier : .0 feet
Field Width : 40E.0 feet
Uegetatiee Eooet: 12$0.0 ihs/acre
Small Grain Stubble (X)
Flat (X ) or Standing ( )
Small Grain Seedling or 2toolie§ ( )
Fuv ow ( ) or Smooth ( )
Sorn:wT Stubble ( )
Flat ( ) or Sta:di ( 1
Estimate 3 soil erosion is : 4.9 tons/acre/year or
1O.9 metric &Bas/hectare/year
B 1024 EEC 01960585 03/27/84 11 : 07 $0 . 00 15/028
F 1907 MARY ANN FEUERSTEIN CLERK & RECORDER WELD CO, CO
UNITED STATES DEPARTMENT OF AGRICULTURE Technical Guide
Soil Conservation Service Section IV
Colorado All Field Offices
March 1983
STANDARDS AND SPECIFICATION
CONSERVATION CSMPI'ING SYSTEM (acre) 328
Definition Spec ittealions
coO ______-_— -----__.. ------
N [)
o Growing crops by using a I . Dry Crop] and
co 0 combination of neede.I cultutral. and
V management measures. Croppin: a. " cropping; sequence such
❑ systems include rotations that as cheat- fallow, wheat-
I-1
0 W. contain grasses .and legume.; , as rshum-mallow or other
o
well as rotations in which the systems wit ] he applied
o desired benefits are achieved that will provide adegtinfr
to W
❑ without the use oi suers ergo ;. ronilue for prot.ectien
a O ! rum wtn,t And water
V Purpose to ns inn.
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.. w To improve or main! tin good h. Crop residues will he
ri x physical condition a the rie •neuel n t:Leal a way ti! If
W nrote'ct the so'. l lnr i s,' nerit T :10 t: Los 4t; hie-I I to an
icra when erosion oa-;n-s; title o. ,.. - ol en ptrliie nnouut .
CO V
w^eds! , insects , and :, ,Sr,:.:. , -:: I
N 2 meet the need and desire o!' c . The Dniv : nai Soil Loss
N H
---. w I :erm rs for an economic : morn. Fgnalion and b;iuti Erostt.-t
m A
O tt Po rum lrt w1 I ! he used ie
W Conditions where practice o ld- + u•t,'rtili e adequacy of the
W ----------- -'-- -- --- . ...
to - rropp!n system.
pow w �g
in Ga gin' ail cropland and on CnTt .Hn
oLO Z recreation and wi I<<I t f a re' t. . d. irrigated Cropland
arod
a
� Z
,--, 4
o Planning Considcriti,,,,,; ;t. The Soil Condition hating.
V -- __--- ———--- indices for irrigated Cr-pis ,
An application of n rop''n shoe :1 Agronomy technical Nate 5d ,
he considered in the. early : rases will be us0d to determine
-
co
N N o cf a high residue rat ;e meat- the ride gnecy at time cropyLng
ern
Hey pnw ntri L : re puce : 1' IL , l,' U:, .n Se, IP' ll'e Mlti soil Iet rtl;. r•:
( he doccmnosit icn prnress. m.an.r-'c,:no,.il ,
❑ W
Gv 6e4"
UNITED STATES DEPARTMENT OF AGRICULTURE Technical Guide
Soil Conservation Service Section IV
Colorado All Field Offices
February 1982
STANDARDS AND SPECIFICATION
•
CONSERVATION TILLAGE SYSTEM (Acre) 329
Standard
m O
N V
o Definition
N O
•-+ V A form of noniversion tillage that 1 . Zero tillage, slot planting or
retains protective amounts of residue no-till.
o w mulch on the surface throughout the
o year. These include no-tillage, strip This is a method planting into
o !.>♦ tillage, minimum tillage and other prior crop residue by disturb-
W types of noninversion tillage. ing only the immediate area of
pthe row. Crop residue is left
V Purpose on the surface for erosion
acontrol.
To protect the soil from erosion and
help maintain or develop good soi/ 2. Strip tillage.
% tilth, and desirable water infiltra-
d, a tion rates and water storage. Tillage operations for seedbed
w o preparation are limited to a
z Conditions where practice applies strip not to exceed one-third
m of the distance between rows .
'M E On cropland and on certain other A protective cover of crop
o
a lands where annual vegetation is residue remains on the
grown. balance. Tillage and planting
w w are accomplished in the same
o Planning considerations operation. '
� z
o z
Conservation tillage provides a pro- 3. Minimum Tillage
>4 duction system that leaves crop resi-
Wdues on the surface after planting. Limiting the number of tillage
Crop residues are left standing as operations to those essential
rn long as possible prior to the succeed- to control weeds , improve soil
CN
rn ing crop to trap blowing snow. Ilerbi- aeration, permeability and
cides are used immediately following tilth. Sweeps , rod weeders or
tG Ga harvest , prior to and during planting, straight shank chisel imple-
to control volunteer grain and other meats will be used .
vegetation.
Specifications
This practice is most effective when
carried out in conjunction with other A. The primary objective is to
practices such as strip cropping, accomplish weed control with
terracing and contour farming. no tillage or with a limited
• number of conservation tillage
One of the following conservation operations, so that adequate
tillage systems should be used : amounts of crop residue can be
maintained for protection from
erosion.
•
TGN 6182 2/82
• r r
329-2-Conservation Tillage System
B. The minimum amount of crop residue left on the soil surface after
planting shall be 1 ,500 pounds per acre of corn or sorghum residue, or
500 pounds per acre of flat small grain residue or its equivalent.
O C. Soil loss by water and wind shall be reduced to the loss tolerance
h V established for that soil. The Universal Soil Loss Equation and the
Wind Erosion formula can be used to arrive at the amount of residue
cc O necessary to keep the soil loss within limits.
Table I - A Guide for Estimating Residue Reduction from Tillage Operations
oe 3 Approximate Percent of
• Residue Reduction After
to w One Trip or Pass Over
Tillage Operation the Field
O
U Rod Weeder 10
o a Sweeps (30" or more) 10
•• Rod Weeder and Semichi.sel 15
Field Cultivator - (16-18 inch sweeps) 25
Till Planter 20
a Chisel Plow (straight shanks) 20
co U
Chisel Plow (twisted shank) 50
H One-Way or Tandem Disc 50
Moldboard Plow 75-100
u)
to D. On systems where tillage operations are permitted:
co W
L z
z 1. Subsurface tillage equipment should be used to keep the residue on
Q1 Z the soil surface.
V ai 2. On soils that tend to crust, or with some slope to them, a chisel
type implement may need to be used after harvest to increase water
infiltration and reduce soil loss due to runoff.
N rI
o °1 3. Chemicals may be used to aid in reducing or eliminating tillage
operations. Use manufacturers labels or Colorado Weed Control
Handbook for specific rate recommendations. The following options
are recommended.
a. Fall sweep (4 inches deep) plus Atrazine. Fall sweep
immediately (within two weeks) after wheat harvest to kill
existing vegetation. Atrazine applied immediately following
fall sweep will kill volunteer wheat and weeds until the next
summer. Limit summer tillage operations prior to planting.
b. Apply a combination of non-selective contact or non-residual
herbicides (such as Paraquat or Roundup) plus Atrazine to kill
existing weeds and for long-term weed control. Limit summer
tillage operations. ,
TGN #182 2/82
•
1 Conservation Tillage System 329-3
c. Contact herbicide plus Bladex, Igran or other short residual
(45-60 days) may be used for spring application to eliminate
co p early spring and early summer tillage. Limit summer tillage
cv U operations.
0
m 0U d. 2-4D Butyl Ester plus atrazine or a short residual triazine is
Ca an economical alternative if approximately 90% of the fall weeds
are broadleaf. Limit summer tillage operations.
0
O3
o a E. For no-till systems:
m-
1.. Conventional tillage operations will not be used to control volun-
0 teer crop growth or annual forbs and grasses. On soils with a heavy
U
Wx clay or silty surface that tend to seal, a light crust breaking may
be needed using sweeps or a chisel using straight shanks.
ti
ti x a. Wheat-fallow (chemical only) - Use of chemicals to eliminate
%
tillage operations. The following is required:
co
2 ( 1) Contact herbicides, such as Paraquat or Roundup, plus
\ W atrazine or residual and tank mixes such as atrazine-Bladex
mE and atrazine-Igran shall be applied immediately following
0 harvest to kill existing weeds and give long-term weed
control.
CD• w0 (2) A short residual herbicide may he used for spring applica-
✓ 2 don if necessary to control weeds to substitute for
cm Z
tillage operations normally used.
0
U W. (3) A slot or no-till planter or grain drill shall be used that
W
a will disturb not more than 25% of the soil surface.
N rH b. Corn, sorghum, and small grains (chemical only) . Use of chemi-
o CA
rH ri cals to eliminate tillage operations in irrigated cropland or
pa annual cropping systems. The following is required:
(1) A contact herbicide plus Bladex, Igran or other short
residual (45-60 days) may he used for spring application if
needed to control weeds to eliminate early spring and early
summer tillage.
(2) A slot or no-till planter or adequate grain drill shall be
used that will disturb not more than 25% of the soil
surface.
(3) Atrazine may he used in a wheat-sorghum-fallow or a wheat-
corn-fallow sequence.
F. Farmers must be made aware of the hazards involved in using residual
herbicides.
TCN 4182 2/82
329-4-Conservation Tillage System
1 . Caution must be exercised in use of atrazine on soils with a ph of
7 .5 or higher.
co 0
2 . Caution should be taken when applying long residual herbicides
annually so no overlap or carry-over effect of chemical occurs.
to O
N t.J
3 . A minimum of 20 gallons of water, preferably 30, will be needed to
get adequate coverage of chemical.
O w
oS
4 . For more uniform application, large volume sprayers with wide stable
o a
w boom coverage are preferred over small units with narrow coverage.
Ca The wider swath should result in fewer overlaps or skips. Dust
O should be held Co a minimum as it deactivates some herbicides .
U
Nozzle spacing should not be greater than 40 inches for uniform
r distribution.
� R4 G . Specific chemical recommendations shall be in accordance with container
labels and/or Colorado Weed Control Handbook.
coa
m U
Trade names were used in this standard only to make the information more
N
N H understandable. This does not imply endorsement of certain products or
criticism of products not named or mentioned.
M E
m W
ci) z
4
O
Ua
w
d N
• H
O O1
H
P7 W
TON 1,1182 2/82
UNITED STATES DEPARTMENT OF AGRICULTURE Technical Guide
Soil Conservation Service Section IV
Colorado All Field Offices
March 1983
m o
N STANDARDS AND SPECIFICATION
'N V N C� STRIPCROPPING, WIND (Code 589)
A S. Strips will run approxi-
o 3 Standard mately perpendicular to
o a the prevailing wind
Definition direction.
U
Growing wind-resisting crops in C. Maximum Strip Widths
N a strips alternating with row crops (narrower strips provide
o or fallow and arranged at angles better protection and
`a to offset adverse wind effects. require less protective
x cover) .
W Purpose
d' 1. 0-2%, slope, 660 feet
co V
To reduce wind velocity at the widths (40 rods) .
N H soil surface, thereby reducing
m E soil blowing and damage to crops. 2. 2-5% slope, 330 feet
o a To trap snow and increase stored widths (20 rods) .
W soil moisture.
'n co W 3. 5% or greater slope, 165
'^ w Where applicable feet widths ( 10 rods) .
z
°1 < On cropland subject to soil D. Wheat stubble in the
blowing and where needed as part protective strips will be
fU ›.4
of a cropping system for snow left standing through the
catchment and moisture critical erosion period.
conservation. (Nov. through May).
rn
o
N ri
Specifications E. A minimum of 500# of
z 44 residue will be left on
Follow guidance set forth in the soil surface after
"Guide for Wind Erosion Control planting for soils in
on Cropland in Great Plains WEG' s 1 , 2, 3 & 4. If the
States" (Revised 1976) , or Guide for Wind Erosion
Agronomy Technical Note #53, to Control or Technical Note
calculate widths of wind strips. #53 indicate larger
amounts are needed, then
I. Wheat-Fallow Systems those amounts should be
left on the surface after
A. Strips of wheat will be planting.
planted alternately with
the stubble from the
previous crop; in '
approximately equal
widths to facilitate
rotation.
TGN #200
Striperopping, Wind 589-2
3/83 TGN //200
-2-
II. Annual Row Crop Systems
A. Strips of high residue producing crops will be grown in alternate
strips with erosion susceptible crops. Strips will be approximately
perpendicular to the prevailing wind direction.
B. Width and spacing of protective strips:
m O
No U 1 . Row Crop Plants — Minimum width of protective strips will be the
N O equivalent width of 4 rows spaced 40 inches apart. Spacing
N U between strips will not exceed 30 feet .
W 2. Drilled Plants — Minimum width of protective strips will be two
o
0 3 rows (12" — 20" spacing) and the spacing between strips will not
o a exceed 30 feet.
+n W
aC. The protective crop will be harvested with a combine or mowed leaving
O the stubble 12 to 18 inches tall. The protective residue will be
U
left on the soil surface through the critical wind erosion season
N
o (Nov—May) or until the seedbed is prepared for the following crop
`° which is expected to occur in early April. Spring seedbed
x preparation should result in a ridged surface for wind erosion
wprotection.
-cra
m U
2 III. Perennial Tall Grass Barriers
N H
• EA. Only tall growing species such as tall wheatgrass , switchgrass , big
o a bluestem, sand bluestem, Basin wildrye and Indiangrass will be
W planted. Range site descriptions and Critical Area Planting
co• W specifications will be used to determine specie adaptation.
• Cu
0
B . Seedbed preparation will consist of only those operations necessary
to assure a firm soil condition relatively free of weeds. Planting
o in residue from a previous crop is acceptable.
a
aC. Colorado Agronomy Note No. 61 will be used to determine amounts of
d, d, seed to plant.
N H
H D. Barriers shall consist of at least two rows of grass spaced .10-40
m W inches apart as a minimum.
E. Optimum barrier spacing will be determined using the Guide for Wind
Erosion Control and will be designed as close to this optimum as
possible considering equipment widths.
F. Weed control will be practiced as needed to control competition until
grass is well established.
G. Barriers will be periodically mowed or clipped to a minimum height of
8-10 inches to encourage regrowth and prevent decadent stands 'from
developing.
Hello