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~• any nodiT_ed equipment such as air seedezs and drills <br />that control seedin5 depth with packer wheels must be. <br />able to insure proper seeding depth, uniform seed <br />distribution, and firm seed-soil contact. Ground speed <br />will not exceed 4 to 4.5 mph so that proper seeding <br />depth can be maintained. <br />.d.Aerial seeding will not be used for any range seeding <br />exce~~t broadcast seeding on Pinyon and Juniper sites <br />that are to be cha' need. <br />e'. :dhen seed? ng i°. s'? that is to be irrigated with furrows <br />or corruaacions, th.e soil must be firmly compacted and <br />in a concition to take irrigation water. zn addition, <br />the seeding must we drilled into the residue parallel to <br />i±-ricraticn direction. In this seeding situation, the <br />grass; dri' 1 must have depcn control bands on bo~h u;s'cc <br />and r.~eet the other drill requirements listed in l.a. <br />Oril'_. t~~ec::~d. <br />Z. Range Int:erse~ainq t•'.ethod <br />a. '.dherE> applicable <br />.~ The Flange Interseeding Method is an exception to the <br />seedk~ed preparation requirements specified previously. <br />~~~ This method is for seeding sandy sites which are. highly <br />suscE:ptible to wind erosion and w*:sre the introduction <br />of sf~ed can be done with a minimum distur'~ance of soils <br />and f;xisting cover or where desirable established <br />gras~~es are found in a very thin stand or in patches, <br />not uniformly throughout, but too abundant to destroy. <br />wherEa the cover zs principally annuals and no more than <br />a th~.n (?-~ percent density) or scattered stand of <br />perer~nia!s, range interseeding will not apply. Such a <br />condition ~s to be drilled rather than interseeded. <br />(1) Range .Interseeding will apply only to Oeen Sandy <br />C~:c•^ov Sam's, and Sa_*+dv _9o*tomla~d range sites in <br />pastern Colorado and special soli and covar prc:.lein <br />seedings on Sandy Plains. <br />~-~--: (2) seedings with this method are to be peirformed with <br />3~_~ a Range Interseeder capable of making a furrow :at <br />=~ least 14 inches wida and ~-4 inches deep. <br />:so^ <br />a•; : • ~ (~) Seeding rates are to be 1/2 to 2/3 the rate <br />_ , i:::, specified for the species u:~der "seeding rate" in <br />:., Agronomy Technical Note No. 61. <br />TC21S 230 (Rev . 2 ) ( Page 9 o E 16 ) SC8 Colorado JanuaL'y i99 2 <br /> <br />~~~ <br />