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Achillea Millefolium actual amount actual yield Agrostis vulgaris Alopecurus pratensis ammonia plots ammonia-salts amount of nitrate Anthoxanthum odoratum arvensis Avena elatior Avena Jlavescens Avena pubescens average Bromus mollis cent Centaurea nigra Cerastium triviale character compared with plot Conopodium denudatum considerably contributed Dactylis glomerata deficiency excess favourable Festuca ovina flowers fourth separation-year Galium Gramineae gramineous herbage greater growth Holcus lanatus including potass increase influence Lathyrus pratensis Leguminosae leguminous herbage LIBRARIES STANFORD Lolium perenne Lotus corniculatus luxuriance Luzula campestris mineral constituents Miscellaneae miscellaneous herbage miscellaneous plants miscellaneous species mixed mineral manure nitrate of soda nitrate plots nitrogen nitrogenous manure number of species o-oi observed percentage Pimpinella Saxifraga Plantago lanceolata plot 16 plot 9 Poa pratensis Poa trivialis predominance proportion Quantity per Acre Ranunculus repens reptans roots Rumex Acetosa samples season second crops seed soil stems superphosphate superphosphate of lime supply tendency total Mixed Herbage total produce tufted unmanured plots whilst
Page 1182 - 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 1182 - 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 1182 - 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 1182 - 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 1182 - 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 1218 - 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 i - for his valuable contributions to the morphology and classification of the Mammalia, and to Anthropology.