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Achillea Millefolium acre actual Agrostis vulgaris Alopecurus pratensis ammonia ammonia-salts amount applied Avena Avena elatior average botanical Bromus mollis cent character compared Conopodium denudatum considerably constituents continued contributed crops cutting Dactylis glomerata declined decrease deficiency effects excess experiments fact favourable Festuca ovina flowers four fourth give given GramineŠ grasses greater growing growth herbage Holcus lanatus increase influence larger later leaves LeguminosŠ leguminous less Lolium perenne Lotus corniculatus luxuriance marked maturation Mean MiscellaneŠ miscellaneous mixed herbage mixed mineral manure nearly nitrate of soda nitrogen number of species observed occurred Orders percentage period plants plot 16 plot 9 Poa pratensis Poa trivialis potass pratensis predominance produce prominent proportion quantity Ranunculus reduced referred relative repens roots Rumex Acetosa samples season seed separation separation-year smaller soil STANFORD stems superphosphate supply taken third Trifolium unmanured plots whilst whole yield
Page 1184 - is with gramineous species grown separately—were also the most effective in bringing forward the grasses proper, in the mixed herbage. Again, those manures which were the most beneficial to beans or clover the most developed the leguminous species of the mixed herbage, and vice
Page 1184 - in the first years of the experiments it was observed that those manures which are the most effective with wheat, barley, or oats grown on arable
Page 1184 - It was further observed that there was great variation in the predominance of individual species among the grasses, and also among the representatives of other orders.
Page 1184 - in the climatal conditions of the different seasons ; and, as far as may be, to ascertain what are the special characters of growth, above-ground or under-ground, normal or induced, by virtue of which the various species have dominated, or have been dominated over, in the struggle which has ensued. The
Page 1163 - STANFORD UNIVERSITY LIBRARIES STANFORD UNIV STANFORD UNIVERSITY LIBRARIES -STANFORD UNIVERSITY LIBRARIES • STANFOR UNIVERSITY
Page 1184 - the botanical composition, in the character of development, and in some points in the chemical composition of the produce also. The object of the present section is to describe and discuss, more in detail, what may be called the
Page 1222 - in the powerful root-growth of the survivors; including under the general term root, not only the root proper, but the offshoots and runners which are given off just below or on the surface of the ground. Indeed,
Page 1173 - for his valuable contributions to the morphology and classification of the Mammalia, and to Anthropology.