. Bulletin of the Department of Agriculture. Agriculture; Agriculture. KEPRODUCTTON OF WESTERN YELLOW PINE. 109 Although the stand of 1919 seedlings was scarcely more than one- tenth as dense as that on similar cuttings in the other groups, the present ratio between brush-covered and open areas is practically the same in all cases. Group 9 has produced especially convincing ir C b w > > 3 Q) n 1. O â D UJ C (0 u 5. a) c n ^ z I 36 J \ \ 9 <c - j. p Q Q g data in regard to the influence of herbaceous vegetation in determin- ing whether brush is beneficial or detrimental to reprodu
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. KEPRODUCTTON OF WESTERN YELLOW PINE. 109 Although the stand of 1919 seedlings was scarcely more than one- tenth as dense as that on similar cuttings in the other groups, the present ratio between brush-covered and open areas is practically the same in all cases. Group 9 has produced especially convincing ir C b w > > 3 Q) n 1. O â D UJ C (0 u 5. a) c n ^ z I 36 J \ \ 9 <c - j. p Q Q g data in regard to the influence of herbaceous vegetation in determin- ing whether brush is beneficial or detrimental to reproduction. Wherever bunch grass is present, even in a thin stand, pine seed- lings are invariably less numerous and of smaller size in the brush than where there is no brush. But where the bunch grasses or. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
Size: 1050px × 2379px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture
