British grasses and their employment in agriculture . Fig. 158 Fig. 159 Fig. 160 Common impurities in Crested Dogs-tail 158. Chrysanthemum leucaiithemuni, L. Ox-eye 159. Crepis virens, L. Smooth 160. Poa allium, L. Each x 10. Small seeds of Rye-grass and Cocks-foot, and seeds of Timothy,and Hard Fescue commonly occur as Fig. 161. Seeds of the Common Sowthistle {Sonchus oleraceus, L.). x6. The chaff should not exceed one per cent, by weight, and thePurity should easily reach 97 to 99 per cent, The Germinationof good seed will reach 50 to 60 per cent
British grasses and their employment in agriculture . Fig. 158 Fig. 159 Fig. 160 Common impurities in Crested Dogs-tail 158. Chrysanthemum leucaiithemuni, L. Ox-eye 159. Crepis virens, L. Smooth 160. Poa allium, L. Each x 10. Small seeds of Rye-grass and Cocks-foot, and seeds of Timothy,and Hard Fescue commonly occur as Fig. 161. Seeds of the Common Sowthistle {Sonchus oleraceus, L.). x6. The chaff should not exceed one per cent, by weight, and thePurity should easily reach 97 to 99 per cent, The Germinationof good seed will reach 50 to 60 per cent, in seven days, and 85 to90 per cent, in 21 days. Sometimes 28 days are required to ascer-tain its full germination capacity. CH. VIIl] Goeks-foot 145
Size: 2339px × 1069px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, booksubjectgr
