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7. Use seed mixture Nos. 70 and 70A on slopes and upland areas 1he contract designates or tIlE engineer specifies. Use seed mixture No. 70 on loamy soils and seed mbd:.ure No. 70A on sandy soils. 630.2.1.5.1 .2 Temporary (1) Under the Seeding Temporarj bid item, use a temporary seed mixture conforming to 630.2.1.5.1.4. Use oats in spring and summer plantings. Use winter Whea1 or rye for fall plantings started after September 1. 630.2.1.5.1.3 NurseCrop (1) If seeding bare soil with either mixture 70 or 70A, include '!he work under the Seeding Nurse Crop bid item. 630.2.1.5.1.4 Borrow Pits and Material Disposal Sites (1) For seeding borrow pits and material disposal sites beyond the right-of-way, use seed mixtures confoJTJ1ing to seed mixture No.1 OJ No. 20, No. 70 or No. 70A of 630.2.1.5.1.1 or a borrow pIT mixture composed of seeds of the species, purity, gemination and proportions, by weight as given below: PERMANENr SPECIES % MINIMUM PURITY % MINIMUM GERMlNATlON Alfalfa 98 90 Bromegrass 85 85 Orchardgrass 80 85 TImothy 98 90 Red Clover 98 90 A1sike Clover 97 90 Ladino Glover 95 90 KenbJcky Bluegrass 98 85 Birdsfoot T~~j) 95 80 . , TEMPORARY SPEGJES % M1NJMUM PURITY % M!NlMUM GERMINA llON Annual Oats 98 90 Agricultural Rye 97 85 Winter Wheat 95 90 ------ NURSE CHOP SPECiES % MIN)MUM PURITY % M1NIMUM GERMINAllON AnnuaJ Qajs 9B 90 Annua.I Ryegrass 97 9Q. Winter Wheat 95 90 C2) For the borrow pit mixture use, by weight, 60 percent temporary species seeds and 40 peroent permanent species seeds. CBJ For the temporary component, use any combination of temporary seeds tisted in the 1able above. t4) For the permanent OOJrtpc. ent, use seeds from not more taan ... of the permanent species Jisted in the tabte above in any combination. Ji) When OUt1ie crop is required for 5Pring seeding before Jl.Ile 15, use annual oats. For fall seeding afier October 15, use winter Wheat, or annual ryegrass. 130.3 Construction DO..3.1 General (1) tf not prolecting with. mWch cover, perform 5eedingJ except Nos. 60, 70 and 70A mixtures a1 times of the )'8Ilr when tempe11lture and moisture oonditions are suitdie for seeding, except during midsummer. 42) Perform seeding, except Nos. 60,70 and 70A mixtures. in conjunction with mulching as specified in section 627 a.1 any time the engineer dows. III) ~ ~ctor may perform seeding of Nos. 50, 70 and 70A mixtu~ at any time soU conditions are