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ATTENTION GROWERS d Fasturc and f."coo", Sp it n vogen pair :a aces Lnely require at least twice the rc-ommend,a rirded ,•.r
<br /> The recommendations provided are hosed on the soil analysis are necessary to maintain yield and protein content through- to be effective. Do not reapply without 4 valid soil rest
<br /> results of our laboratory and the information you suppled on the out the growing season.Applications should be split according
<br /> Information Sheet They are guides to obtarmng your desired yield to the number of harvests and yield potential of each harvest.
<br /> developed from the research of CSU scientists and extension person. d.Copper Copper may be broadcast and plcl down
<br /> net and may require some modification for your specific situation. e. L,i Crops Beans. Alfolfa, etc.' These crops can or band applied with good results. Do not reapply wr,hout a
<br /> utilize nitrogen om the air When the roots are properly node valid sail rest.
<br /> The fend,ze, ,ecommendotions. are a,ven in pounds/ocre lured nitrogen fertibzolion will not be beneficial.
<br /> on the oxide bass for phosphorus P,05I and potassium 'K201
<br /> All other nuu:ects ore recommended on ,he elemental bans N. N tea DRYLAND PRODUCTION
<br /> in. etc ' In the case of correcting sodium affected soils. gypsum Note 2 PHOSPHORUS AND POTASSIUM Response to fertilizer applications under dryland p•Cnva en
<br /> for other corrective moler.ols' is recommended in rons/acre of Phosphorus is a non mobile nutrient. slaying where it is sauoaons is highly dependent on the annual available n ers•ure
<br /> moterial as a soil amendment[not a plant nutrient) laced in all In regions that average less than 15 inches roinfml per Year. a n
<br /> p but the Sandiest soils. Therefore. plowdown or
<br /> P is'he policy of the CSU Sod Testing Laboratory to recommend bond opplicotions which place it in the most active too, feeding doubtful shot lerrilizotion is on economical practice, reoord est
<br /> only those nutnnnis that offer a reasonable possibility of increasing zone are consistently superior to topdressirg In the case of of the sod fendiry level Greater responses are usually eHo eo
<br /> established perennial crops such as alfalfa and posture. to from the sandylands rn comparison with the ho,dlonas due ra
<br /> the yield,min of ypi_r crop and in those amounts as closely as we can P P P n.
<br /> dressing has raven to be a smrs(act or method of application. greater water utilization efficiency
<br /> determine that are necessary to och,¢ve your yield coat Remember, 9 P Y PP
<br /> however that a high yield goal can be obtained only when proper For most rapid benefit, topdress at the earliest possible date
<br /> fal s used in combination with o level of overall crop pro• (fall application will give better first season response than
<br /> duction management consistenr with shot yield gaol spring application. Note 5 SALT AND SODIUM
<br /> IMPORTANT Excessive rotes of phosphorus fertilization will Saline soils contain on excess of Soluble Bolts sh c`
<br /> Note 1 NITROGEN inhlbas seed germ nation and plan,growth The only wov+z C'rrea
<br /> reduce the availability of zinc and iron, which in the case of sensi-
<br /> Fegdstir mo-ogen can ¢ally be los+ to the ,mended crop five crops[Note 31 could cause on actual yield reduction this he ion and those e Chemical below is your sad o rcond-1 r a sit•s
<br /> through leaching Therefore its managemenf is of special ,mpaa from the plant root zone Solpamendments order
<br /> to art ens or
<br /> tone In cases of high N roes, sandy sods. or long.season crops, Potassium is more mobile in Sol than phosphorus However. Sol'siIn fertilizers will not correct a Bah problem In oroet ,o :e-te� •I ,
<br /> there is little danger of leaching loss m all bi• the sandiest soils sobs me sod must have adequate mremat dwmoge ro a raw .•raga
<br /> split late sl well increase glom ire Lza.an of the fertilizer N, g g to pass through it. The amount of good quo'ay irr on,cr' v+p'L•
<br /> avoid late seo!en de4ciencv,and reduce leaching loss
<br /> passing through to foot of soil will decrease the Boll col-,ter•rnr.on
<br /> a Sr.ia Bury Split nitrogen npplicn'ions cllw the op
<br /> Note 3 MICRONUTRIENTS by the oppronrmote percentages listed below
<br /> peril to odd,v nee rn:e during the sensan in occordonce with the Or y zinc and iron def,cieric es are common in Colorado. Acre feel of ware,:acre %salt reduc' -n e•c^c•eo
<br /> yield prospect Ih.% is especially important when Ie.hlinna for a Crops grown in our &rote that are bah zinc and iron sensurve '
<br /> high yield since execssive ntrogen will reduce sugar yield If the lmost likely to respond to frninzalion with these ni-tinems` are i, 5C
<br /> in season yield prospect changes from he angm,l coal, alter the com, so,phum, beans potatoes. and most fruit trees lurfuress I nC
<br /> nitrogen recom•-endntion by 10 Ids N'ton yield ddference ex and many ornamental shrubs and trees ore iron (but not zinci 2 91
<br /> petted Apply nil ni•rcgen before July I on medium and heavy sensitive
<br /> lextured souls o a before July 10 on cootie textured sods. Our rests at determine if your Geld hot ur s Teter
<br /> a. Lac � the most effective application method for inar. not drainage orr what steps are may praaaal inn your spec J.c
<br /> IMPORTANT: Much of the nitrogen from manure is released gon'c products, such as zinc sulfore. is generally broadcast sa,onon For this rnfo,mcl we suggest that you -so your C,1
<br /> in the later port of l',e season which tends to •erard sugar occum plowdown in which the zinc is mixed thoroughly in tl.e plonf ranting Soil Conservation Service office
<br /> ,lotion Thereore. manure would be best used on other crops in zone Banding is also ettectrve and may be preferred in situations
<br /> of shollcw or minimum tillage One application of 5 to 101bs zinc/A V/Fen a is not practical or possible to correct a sort p.on it
<br /> your rotation such as coin g PO the only ahernarive is to plant a relative) sad to eras
<br /> I15 to 30 Ibs/A of zinc sulfate � 36°° 6n1 should be sufficient for y P v erg ..o,
<br /> b. Coin and Sorghum Irrigated. Split nitrogen appfico 2 to•t years production as at[wheatg,ats a,barley
<br /> Irons prevent tole sensan deficiency and offer the opportunity Spoil: Solis block alsalii contain an excess of s_a :rl -1-
<br /> to adjust the role of oppdcohon in accordance with the yield Effective zinc chelaies may be used at about 1/3 the rate causes them to be hard and cloddy when dry. •u oust tr' ,r
<br /> prospect If the �n season yield prospect changes from the original of inorganic products They may be banded or mixed Appltcaton tote water very a hard TEese Body must Pave - s,l,v u' .c .r e
<br /> goal, alter the nitrogen rote by AO 16s N/25 bu groin or 10 T should be repeated for each subsequent tint senvnve crop calcium •a core t the In
<br /> c e snuntien This col um ray .nr.ii I, -.C_
<br /> silage, in your sad „g b ^
<br /> h. ben Soil apPl mean of iron generally is not elreave or i i anon waar or n•uu e a dra as a^a•-r - '-
<br /> m Colorado Deliciency is best corrected by %proving the crop with Gil is the amencimcl most beq,enhy met It v,—, c ri .
<br /> c WintSM,er
<br /> G,pins the soil already contains sufficient lane.then an octal or ac, f Mir
<br /> Wyse, Vsai a ?e ferrous Mani sulfate solution 17°° solution far mo'oesl Y d or c
<br /> eat iDr land) � the recommendation is based on,
<br /> an average ra,nfoll year In years of exceptionally good at,he rare pl 20 a 30 g 10 day 1t 15 days obey wing emu rgc rice amendment may he used to sclubd rze the calcium m d Lire Sly,
<br /> sod montu,e on add tonal 20 to 30 lbs nitrogen applied in early Repeat applcanon at IO day ,ntervak ( yellowing of lolioge amendments include sut(ur,c dad.elemental sulfur and lime sin.
<br /> persists A 2°° solution is prepared by adding 16 Ibs iron sulfate t g s of $d'r• _- 7
<br /> spring over ,he recommended amount may increase yield and $a rite sods sons con am large omourt -
<br /> gram protein (20= iron) to 100 gallons of water; include a surfcl (wetting sodium This results in poor plant growth, altho,,gh Ina ui ,s c',l
<br /> ogem 1. condmon of the sod and woter retake may not be grad./ r-r o red
<br /> Moiling Barley The nitrogen recommendation is based c. Manganese-The most effective oppLCotion method Addition of a calcium furnishing amendment may or mov n�' Lc
<br /> on avo,dmgunacceptabbly high grain protein yet obtaining o good for inorganic products, such as manganese sulfate, is banding necessary. Excess sails, including sodium, must be leached from
<br /> yield. with an acid-forming fenilizer. Broadcast applications will the root zone aswohsohresods.
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