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Home My WebLink About830376.tiff AR1923132 ORDINANCE NO. 108 PERMIT NC). 83-9 r 099.3 RE.c 01 9231 32 04/11 /83 15 :05 $0.00 1 /025 J:: 0772 MARY ANN F'E:UER.S•'FEIN Ct._ERI< & RECORDER WELD CO, CO PERMIT FOR PLOWING GRASSLAND APPLICANT NAME: Robert Burbach ADDRESS: Grover, CO 80729 LEGAL DESCRIPTION OF PROPERTY TO BE CULTIVATED (Map delineating ' the proposed land use change attached) : Part of SW4 of Section 13 , T11N, R63W of the 6th P.M. , Weld County, Colorado APPROVED SOIL CONSERVATION PLAN ATTACHED. Yes PERMIT ISSUED BY THE CLERK TO THE BOARD OF COUNTY COMMISSIONERS OF WELD COUNTY, COLORADO. f' y , q i G A1r 1 1 W, �. Ca� l >:iLv 1 ��f . :y,.r.a.i•'1/<'/ Lta��ua . '�.r � -� �r.', Weld eounty Clerk & Recorder / C� and Clerk to the Board fj ,oi S �'�A:'L '... .0 r ) 1 ` - De uty County Cle k 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 Or RECORDATION, THIS 1N- 830;3.1b STRUMENT WAS FOUND TO EG INADEQUATE fOR l'HF 6EST Fh TOGRAFHIC R''RCiDUCTION GECAUSE O'r 1LL.EC:IT8°1T'1. CA Cr( NOR PHOTO i COPY, OISCOLORW PAYER. ETC. A Lel(/ .r • f'- r • Township , Range le2 , County -- ..ZX G � - ,State_ . CZ) , ORDINANCE NO. 108 PERMIT NO. c2 — cll.'. ii 0993 f EC 019231 04/11 /03 1 "i : 05 $0. 00 2/025 1=• 0773 MARY ANN FFUE::R;a.T"[..IN c::LERK & RECORDER WELD CO, CO I I I 1 1 s i 1 i I : 1 I I I ~ I I I I i I I 1l ] i 1 i ` 7 i I S - S -----'IS- I1-.---F--—t•--12 E I I _.,_ _ .. .._. I I I I I ' i i i E ` r._ _—_- --17-__ _. . --- .. .--- 1s - -._. .. tR - - - •--•I. I 1 i i ` I. I I i i i • ' I I I I i f i IS—• -..._ �..-..y_—.20 i .—_.._.._...-21 - ----- - ._ ... _�.--.I._--- _. . --t2----h- 1-•—_I--j • i 1 I . I I ` ---.--30---. 2t'-- - -'--. ._—27_.__.._.___ ..- .- 28 ....- --., 26 I . I i --I-314 22 I as -"-r• ]S ---_.--.-. .._ -'JS----"-- -. I . _ 4 ,... II i ! 1 , _ _ . FORM SOF West Greeley Soil Conservation District P.O. Box 86 - Greeley, Colorado 80632 Cra RESOURCE OR LAND USE PLAN REVIEW . 3 NAME: Robert Burbach w e fit S w j/y LEGAL DESCRIPTION: Section 13, T11N, R63W WI CC DATE OF REVIEW: March 29, 1983 LEI , ACREAGE BY LAND USE: 273 ac. of Non-irrigated Cropland 143 ac. of grassland to converted to Non-irrigated Cropland »; r z PLAN DISPOSITION: Plan approved as presented. Z r err .w r K� n o m COMMENTS: sT; West Greeley Soil Conservation District Board BY: Clefl2:thfrw � a CONSERVATION DEVELOPMENT SELF GOVERNMENT U.S. DEPARTMENT OF AGRICULTURE SCS-CPA-68 SOIL CONSERVATION SERVICE 1-82 RECORD OF COOPERATOR'S DECISIONS AND PROGRESS IN APPLICATION I:t 0993 REC {)192313,2 04/11 /83 15 : 05 $0.00 10/025 F U,''81 MARY ANN 11:111It,'>TE 1:N CLERK & RECORDER WELD CO, CO PLANNED APPLIED FIELD 'MONTH LAND USE AND TREATMENT NO. AMOUNT YEAR AND YEAR CONSERVATION TREATMENT UNIT #1 Non-irrigated Cropland Field 1 & 2 - 416 ac. 1 273 ac. Conservation Cropping System: A cropping system of Winter Sheat - fallow will be 2 143 ac. 1983 established in alternating strips. 1 273 ac. Crop Residue Use: All crop residues will be returned to the soil by 2 143 ac. 1983 use of subsurface tillage implements of chisels and rod weeders. Residue amounts as shown on SCS-CONS-7 will be retained on soil surface. 1,2 416 ac. 1983 Conservation Tillage System: A minimum tillage system will be used whereby only the tillage required for weed control will be used. Chisels and rod weeders will be used and stubble will remain standing through the Fall. 1 273 ac. Wind Striperopping: Crops will be established in alternating strips 2 143 ac. 1983 set perpendicular to the wind. Strip..widths will be approximately 165 feet. COOPERATOR Robert Burbach ASSISTED BY Ronald D. 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N ¢ b a C '-4 z CC V O O O x U I— n w a -csvi O Q — a E OZ UO W d _ Z o t0 - N V W a i� Z 00 J OO 1 O , U o m LL ( , r ( SC&CONS-15 .i.S.DEPART AGTU �'• OCTOBER 1974 SOIL CONSERVATIONMENTOF RICUL SERVICERE j CONSERVATION PLAN MAP I I Owner Robert Burbach Operator Same County Weld a Colorado Date 3119ft3 Approximate acres = 1 mile 416 Approximate scale 4" Cooperating West Greeley Soil Conservation District " Plan identification SCS Agreement #1S40 Photo number SCs �t3-15 7 `i Assisted by Ronald D. Miller USDA Soil Conservation Service v nr ` W.' � e - � � :y� rx / q it i is 43 W g f'I di '� // > I r, Pr 'It* i ' \ tl i Y 5 4 .0, y� C-. / Yk, P�/!7 �+J' t 1 ill A J Jpyp' l iii a}"' ,?n�1� y x --..P,'-;,,,''v,!: o* sesca vGo4e " . � , `k,i; ut I ,a „ 4 w r t 4 J 1 / / s� R �,Cr� '1" .;hr /' ��`: =1, dSi r^ `� C� �r';;;;.114 zr°"" >Jc.ab'a•�n :; i3 : ' fepS 1. w ,�' +viLI Y°'4 ,, �i ,, '" }i ' 11 1",•? 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To lb /\%kr° , I P:A-1711(1 6:SA/ * i k ' ' '' ' ,y r �/ I,� / 1 7. b'o . i /y3 ac . 5' /,�" , f i SI/ ,, 1, A � ie r A/ es rr/ az<eoG /' M row a �z CZ' / yp �,3 3+ = F t `'(so aG ex-,s-e,'nq). / /ii s' • ,0 .Jl / g 1.. n �/ .33 �t7 ..F . 1' / ky / /. / y5i/ y , ._& / /1 -y 7 . )/ / / / , r ' / „I-.4 sCS CON$-16 U.S.DEPARTMENT OP AGRICULTURE OCTOBER 1974 SOIL.CONSERVATION SERVICE `f CONSERVATION PLAN MAP Owner Robert Burbach Operator Same County Weld State Colorado Date 3/1983 Approximate acres 416 Approximate scale 8" = 1 mi. Cooperating with West Greeley Soil Conservation District Plan identification SCS Agreement #1940 Photo number ASCS Photo R4 tAssisted by Ronald D. Miller USDA Soil Conservation Service 66\ 1 1'• i \ \6� rd'i 4. I _. 1 SCS-EONS-15 U. 5. DEPARTMENT OF AGRICULTURE OCTOBER 1974 SOIL CONSERVATION SERVICE SOIL MAP to Owner Robert Burbach Operator Same 6 County Weld State Colorado Soil survey sheet(s) or code nos. North Weld Sheet #5 Approximate scale 2.64" = 1 mt. " Prepared by U. S. Department of Agriculture, Soil Conservation Service cooperating Iwith West Greeley Soil Conservation District \.1\- 4 7 C •.. • 1 1 49 J tt 4 4 c 0.:.. 1i . . 1 a 12 irk i / 27 - - ,e10,314) 0,l 4 t t.yy ) �°� 1 v `.. 14 / �. 49 ( Z NI -n :r€ • Fri Es.i • 29 tom; 31 •\ .r v 1 .!s 1 49 I Ord �_ '` 5 T ✓�•. n — 5 w -1.. \\k''' Pp� a * \ v 7.1 n u: T p 31 a 23 1., i. .. r �' s. 2} € -- 4 re 4r. 49 / 4 ii 6 tf ' 1 �4 5 R r::` '-.2 •:••+ r s 4 / UNITED STATES DEPARTMENT OF AGRICULTURE Technical Guide Soil Conservation Service Section IV Colorado All Field Offices March 1983 STANDARDS AND SPECIFICATION CONSERVATION CROPPING SYSTEM (acre) 328 Definition Specifications Growing crops by using a 1. Dry Cropland combination of needed cultural and management measures. Cropping a. A cropping sequence such systems include rotations that as wheat-fallow, wheat- +: a contain grasses and legumes , as sorghum-fallow or other "- well as rotations in which the systems will be applied desired benefits are achieved that will provide adequate without the use of such crops. residue for protection e 3 from wind and water o Purpose - erosion. To improve or maintain good h. Crop residues will be physical condition of the soil; managed in such a way that protect the soil during periods soil loss is held to an when erosion occurs; help control acceptable amount. weeds, insects, and diseases; and meet the need and desire of c. The Universal Soil-Loss farmers for an economic return. Equation and Wind Erosion CO rn Formula will be used to Conditions where practice applies determine adequacy of the cropping system. On all cropland and on certain recreation and wildlife areas. 2. Irrigated Cropland _ Planning Considerations a. The Soil Condition Rating Indices for Irrigated Crops, An application of nitrogen should Agronomy Technical Note #52, he considered in the early stages will be used to determine of a high residue management the adequacy of the cropping program to replace that tied up in sequence and soil fertility the decomposition process. management. • LL TGN tab • 4,,S8 UNITED STATES DEPARTMENT OF AGRICULTURE Technical Guide , r7,,, Soil Conservation Service Section IV j Colorado All Field Offices March 1983 STANDARDS AND SPECIFICATION STRIPCROPPING, WIND (Code 589) E. Strips will run approxi- tPe ` Standard mately perpendicular to 4, the prevailing wind ^- o Definition direction. Growing wind-resisting crops in C. Maximum Strip Widths hi strips alternating with row crops (narrower strips provide or fallow and arranged at angles better protection and 2 to offset adverse wind effects. require less protective cover) . Purpose 1 . 0-2% slope, 660 feet n ix To reduce wind velocity at the widths (40 rods) . ci ,u soil surface, thereby reducing in soil blowing and damage to crops. 2. 2-5% slope, 330 feet To trap snow and increase stored widths (20 rods) . -- _ soil moisture. 2,�� 3. 5% or greater slope , 165 ;: wr 2:di IN Where applicable feet widths (10 rods) . .� .7 s On cropland subject to soil D. Wheat stubble in the blowing and where needed as part protective strips will be La c-4 = of a cropping system for snow left standing through the nid catchment and moisture critical erosion period. conservation. iN z (Nov. through May) . Z C Specifications P E. A minimum of 500!1 of residue will be left on tu C Follow guidance set forth in the soil surface after "Guide for Wind Erosion Control planting for soils in x on Cropland in Great Plains WEG's 1 , 2, 3 & 4. If the a- States" (Revised 1976) , or Guide for Wind Erosion Agronomy Technical Note #53, to Control or Technical Note — calculate widths of wind strips. /153 indicate larger amounts are needed, then I. Wheat-Fallow Systems those amounts should be left on the surface after A. Strips of wheat will he 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: n 1 . Row Crop Plants — Minimum width of protective strips will be the r< r.i equivalent width of 4 rows spaced 40 inches apart. Spacing 0 between strips will not exceed 30 feet. 2. Drilled Plants — Minimum width of protective strips will be two rows (12" — 20" spacing) and the spacing between strips will not .. 3 exceed 30 feet. O, — C. The protective crop will be harvested with a combine or mowed leaving z the stubble 12 to 18 inches tall. The protective residue will be left on the soil surface through the critical wind erosion season (Nov—May) or until the seedbed is prepared for the following crop _ which is expected to occur in early April. Spring seedbed .z preparation should result in a ridged surface for wind erosion protection. III. Perennial Tall Grass Barriers 004 N. z A. Only tall growing species such as tall wheatgrass , switchgrass , big C it, bluestem, sand bluestem, Basin wildrye and Indiangrass will be planted. Range site descriptions and Critical Area Planting hi specifications will be used to determine specie adaptation. B . Seedbed preparation will consist of only those operations necessary r to assure a firm soil condition relatively free of weeds. Planting ,: '1 in residue from a previous crop is acceptable. rc ci C. Colorado Agronomy Note No. 61 will be used to determine amounts of r seed to plant. 0"• D. Barriers shall consist of at least two rows of grass spaced .l0-40 +- ^- 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. i' ".i.. 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 Definition A form of noni.version tillage that 1. Zero tillage, slot planting or retains protective amounts of residue no-till. -D mulch on the surface throughout the year. These include no-tillage, strip This is a method planting into ti tillage, minimum tillage and other prior crop residue by disturb- - types of noninversion tillage. ing only the immediate area of the row. Crop residue is left Purpose on the surface for erosion control. To protect the soil from erosion and help maintain or develop good soil 2. Strip tillage. filth, and desirable water infiltra- tion rates and water storage. Tillage operations for seedbed _ preparation are limited to a „ Conditions where practice applies strip not to exceed one-third of the distance between rows. On cropland and on certain other A protective cover of crop iti lands where annual vegetation is residue remains on the =' grown. balance. Tillage and planting z are accomplished in the same Z, Planning considerations operation. L Conservation tillage provides a pro- 3. Minimum Tillage duction system that leaves crop resi- t') w dues on the surface after planting. Limiting the number of tillage •4 it ra Crop residues are left standing as operations to those essential ,; z long as possible prior to the succeed- to control weeds, improve soil ' ing crop to trap blowing snow. Herbi- aeration, permeability and >- cides are used immediately following ti.lth. Sweeps, rod weeders or ul <t harvest, prior to and during planting, straight shank chisel imple- e: z to control volunteer grain and other ments will be used. MC, vegetation. r- Specifications This practice is most effective when +.:.� L.L. 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 � 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. ,� C. Soil loss by water and wind shall be reduced to the loss tolerance established for that soil. The Universal Soil Loss Equation and the Wind Erosion formula can be used to arrive at the amount of residue necessary to keep the soil loss within limits. Table 1 - A Guide for Estimating Residue Reduction from Tillage Operations * id Approximate Percent of Residue Reduction After cF One Trip or Pass Over Tillage Operation the Field tri re <z Rod Weeder 10 Sweeps (30" or more) 10 _ Rod Weeder and Semichisel 15 Field Cultivator - (16-18 inch sweeps) 25 "; Till Planter 20 Chisel Plow (straight shanks) 20 N _ Chisel Plow (twisted shank) 50 One-Way or Tandem Disc 50 Moldboard Plow 75-100 -H.?% Lc _ — — — D. On systems where tillage operations are.,; z y g p permitted: a 1. Subsurface tillage equipment should be used to keep the residue on the soil surface. 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. 00 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. I TGN #182 2/82 Conservation Tillage System 329-3 c. Contact herbicide plus Bladex, Igran or other short residual Li (45-60 days) may be used for spring application to eliminate early spring and early summer tillage. Limit summer tillage r operations. d. 2-4D Butyl Ester plus atrazine or a short residual triazine is an economical alternative if approximately 90% of the fall weeds are broadleaf. Limit summer tillage operations. 4,4 a E. For no-till systems: 1 . Conventional tillage operations will not be used to control volun- icH7 teer crop growth or annual fortis and grasses. On soils with a heavy clay or silty surface that tend to seal, a light crust breaking may be needed using sweeps or a chisel using straight shanks. a. Wheat-fallow (chemical only) - Use of chemicals to eliminate ~ tillage operations. The following is required: (1) Contact herbicides, such as Paraquat or Roundup, plus o atrazine or residual and tank mixes such as atrazine—Bladex and atrazine—Igran shall he applied immediately following :a harvest to kill existing weeds and give long-term weed control. ,i, z (2) A short residual herbicide may be used for spring applica- tion if necessary to control weeds to substitute for 0o re tillage operations normally used. _ Z (3) A slot or no-till planter or grain drill shall be used that ' ;'4 will disturb not more than 25% of the soil surface. O l 0 b. Corn, sorghum, and small grains (chemical only) . Use of chemi- 14 Li_ cals to eliminate tillage operations in irrigated cropland or annual cropping systems. The following is required: (1) A contact herbicide plus Bladex, [gran or other short residual (45-60 days) may be 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. TGN #182 2/82 329-4-Conservation Tillage System C-4 1 . Caution must be exercised in use of atrazine on soils with a pa of 7.5 or higher. 2. Caution should be taken when applying long residual herbicides annually so no overlap or carry-over effect of chemical occurs . 3 . A minimum of 20 gallons of water, preferably 30, will he needed to get adequate coverage of chemical. 4 . For more uniform application, Large volume sprayers with wide stable boom coverage are preferred over small units with narrow coverage. The wider swath should result in fewer overlaps or skips. Dust - ``-' should be held to a minimum as it deactivates some herbicides. •- "! Nozzle spacing should not be greater than 40 inches for uniform distribution. rei G. Specific chemical recommendations shall be in accordance with container z labels and/or Colorado Weed Control Handbook. Trade names were used in this standard only to make the information more understandable. This does not imply endorsement of certain products or criticism of products not named or mentioned. ba a z r r ti iZ TCN #182 2/82 UNITED STATES DEPARTMENT OF AGRICULTURE Technical Guide Soil Conservation Service Section IV Colorado All Field Offices October 1981 STANDARDS AND SPECIFICATIONS CROP RESIDUE USE - (ac.) 344 Definition B. Each field will be evaluated for potential wind and water erosion Using plant residues to protect using the Wind Erosion Curves and cultivated fields during critical the Universal Soil Loss Equation. erosion periods. C. If only one of the erosion inn Purpose hazards (wind or water) is signifi- cant, the land treatment will be To conserve soil moisture, increase planned so that erosion from neither ;, soil infiltration, reduce soil loss, wind nor water will exceed the and improve soil tilth. designated "T" value for that soil. 0 Id 3 Condition where practice applies D. If both wind and water erosion s are significant in a given field, _ On land where crop residues are land treatment shall be planned so re Q produced. rF that the total soil loss from wind and water does not exceed the desig- Specifications nated "T" value. I. Non-Irrigated Small Grain — Use E. If the treatment is planned to re the "Guide for Wind Erosion Control control wind erosion the technician on Cropland" or Agronomy Note #53 will record (1) the amount of for guidance on amounts of residue residue required on the soil surface N required on the soil surface during at planting time, (2) the unshel- the critical wind erosion season. tered distance usually described as This will normally be considered as field width perpendicular to the re the amount of flat small grain prevailing winds, (3) ridge rough stubble equivalent residue after the ness factor, i.e. , unridged. nLti planting operation. Nn F. If the treatment is planned v A. To calculate residue require- primarily to control water erosion, c ments, average the annual soil loss the technician will develop alterna- for the entire rotation or wheat- tives in accordance with the Lire w 4- fallow cropping system. This method Universal Soil Loss Equation for (1) e If will show the benefits of residue length of slope (2) cropping w, 4 management for the entire cropping management factor and (3) erosion N system. If this method is used the control practice factor. 0 rr• wind erosion curves will determine the amount of residue needed but in no case will the minimum requirement be less than 500 lbs. per acre of flat small grain stubble equivalent at planting time. TGN #178 344-2 Crop Residue Use G. Planning Considerations 1 . Subsurface tillage equipment such as sweeps, blades and rodweeders should be used for most tillage operations. 2. Chemical weed control to reduce the number of tillage operations is beneficial in managing the residue. 3. Reducing field widths is an effective way to reduce the need for large amounts of crop residue. 4. When inadequate residue is produced the soil surface will be ow ridged by chiseling or listing. 3 II. Non-Irrigated Sorghums ey A. Pounds of residue required through the critical wind erosion period (November-May). Minimun Required Crop and Spacing Residue ; '- 1. Drilled sorghums on row 750# w spacing of 20" or less 2. Forage sorghum on 1000# 20" - 40" rows 3. Grain sorghum on 1500# 20" - 40" rows zWhen the above residue requirements are met, the practice will be considered c adequate to hold the soil loss to the acceptable "T" level. B. Planning Considerations -ur, 1 . The above amounts of residue will be left on the soil surface 1' through May or until spring seedbed preparation which usually occurs in early April. Spring seedbed preparation should result cr. ;_ in a ridged surface for wind erosion protection. 2. When inadequate residue is produced the soil surface will be ridged by chiseling or listing. Soils coarser than sandy loam usually require listing to provide satisfactory surface roughness. 3. Grazing will be restricted on machine harvested crops when marginal amounts of residue are produced. USDA/SCS/Colorado/ 10/81 TGN 11178 Crop Residue Use 344-3 III. Irrigated Crops A. The pounds of residue required on the soil surface during the critical erosion period are as follows. Wind Erodibility Drilled Crops v Groups 20" rows or less Row Crops 1 & 2 1500 2500 3 & 4 1000 1750 5 , 6 & 7 750 1000 3 B. Critical Erosion Periods (Modified for Necessary tillage) re 1 . W.E.G. 's 1&2 Sprinkler Irrigated - Maintain the required amounts of residue until the planted crop has enough growth to protect the soil. 2. Gravity Irrigated Row Crops - Maintain the required amounts of residue as long as feasible after harvest. The cropping system LL and method of irrigation are to be considered. If fall plowing destroys the residue, the field will be left rough and cloddy until spring seedbed preparation, (about March 1st as a minimum). ijj La- u r C . Y Y: .y+ v 0' LL TGN //178 USDA/SCS/COLORADO/ 10/81 Hello