VOLUMES ONE TO TWENTY-FIVE.' 



121 



411 ; total demand of a heavy liaycrop 

 on iniucraLs, 412; the ash not much 

 mflueuced hy seasons, 413 ; nitrocjen, 

 tahle of percentages in fresh hay and in 

 dry substance, 415; most found with 

 least dry matter, least ripening, 416 ; 

 high percentage in bulk of grass crops 

 grown with ammonia, although legumes 

 contain twice as mucli nitrogen as 

 grasses, 417 ; fall of percentage on ad- 

 dition of minerals, 418 ; nitrate of soda, 

 its action, 419; ammonia in the sap of 

 succulent plants (Yoelcker and Sulli- 

 van), ih. ; woo J 11 fibre, or indm'ated cel- 

 lular matter, 420 ; the results as varied 

 as the processes adopted by M. Segelcke, 

 ib. ; method pursued as basis of the 

 tables, ib. ; in some forms hardly dis- 

 tinguishable from starch, 422 ; analogy 

 between digestive agencies and weak 



• chemical solvents, 422 ; table of per- 

 centages, 423 ; the table discussed, 424 ; 

 effects in a cold wet season of this, as of 

 nitrogen and minerals in the cruile pro- 

 ducts, 424; faity matter, 426; M. Se- 

 gelcke's method of extraction, ib. ; col- 

 lective view of the composition of the 

 hay, table, 429 ; mode of calculating the 

 proteine compounds, a caution, 428 ; 

 amount of mineral matter no criterion 

 of feeding value, 430 ; fatty matter not 

 l^ure fat, ib. ; Appendix, tables of du- 

 plicate determinations, 433. 



Meadows, maniu'es foi-, report of further ex- 

 periments (Lawes and Gilbert), xxiv. 

 504 ; reference to former experiments, 

 and results of those of the 4th, 5th, 6tli, 

 and 7tli seasons, ib. ; statement of the 

 manuring of each \Aoi, 505 ; i^roduce of 

 hay per acre, first crop, ib.; table of 

 results, 530 ; average yield of hay 

 without manure, 506 ; character of 

 herbage changed liy manures, 507 ; 

 tendency of ammoniacal salts without 

 mineral manure to exhaust the soil, 

 508; progressive increase of produce 

 from use of nitrate, 509 ; fluctuating 

 produce from superphosphate alone, 

 ■ih. ; increase from adding ammoniacal 

 salts, ib. ; effects of mixed mineral ma- 

 nure on leguminous plants, 509 ; annual 

 increase of hay from using minerals and 

 ammoniacal salts, 510 ; addition of cut 

 wheat-straw beneficial to the aftergrass, 

 511 ; increase of hay from using sili- 

 cates, lb. ; forcing hay crops by arti- 

 ficials alone condemned, ib. ; ammonia 

 salts and mixed minerals more bene- 

 ficial than their equivalent of nitrogen 

 in the form of nitrate, 512 ; effects of 

 farmyard manure compared with those 



of artificials, 513 ; summary of deduc- 

 tions, ib. ; produce of aftergrass, ib. ; 

 weeldy average consumption of grass 

 by sheep, 514; allowance for manure 

 returned to the soil, ib. ; effects of tem- 

 perature conjointly with those of man- 

 ure, 515-516; chemical composition of 

 the hay, ib. ; a high percentage of dry 

 substance, of what indicative, 517 ; con- 

 siderations affecting the percentage of 

 nitrogen, ih. ; table of percentage of dry 

 matter in hay, 532 ; explanation, 518 ; 

 effects of heat and wet on the action of 

 certain manm'cs, ib. ; i^crcentage of ash 

 in hay, table, 533 ; explanation, 519 ; 

 table of percentages of nitrogen, 534 ; 

 explanation, 520 ; a high percentage of 

 nitrogen not a sure indication of high 

 feeding value, 521 ; produce of con- 

 stituents per acre, 535-7; explanation, 

 521 ; amount of dry substance and ni- 

 trogen removed yearly per acre, ib. ; 

 supply of carbon to growing jjlants, 522 ; 

 effects of different manures, 523 ; well 

 rotted dung the best means of restoring 

 mineral constituents of soil, 524 ; table 

 of produce of nitrogen per acre, 537 ; 

 explanation, 524 ; proportion of the ni- 

 trogen supplied in the manure which 

 is recovered as increased yield in the 

 crop, 525 ; tables, 538-9 ; correction of 

 former results by those of a longer trial, 

 527 ; comparison between wheat and 

 hay experiments, 528 ; discussion as to 

 the sources of the nitrogen of vegeta- 

 tion, 528; conclusions — effects of farm- 

 yard manure, alone and in combination 

 with artificials, 529. 



]Meabow grasses, British, their natural 

 history (Buckman), xvii. 513. 



barley-grass, analysis of (Way), xiv. 



177 ; its growth in different situations, 

 XV. 468. 



catstail-grass, analysis of (Way), 



xiv. 177. 



colcliicum (Buckman), xvi. 366. 



fescue-grass, its growth in different 



situations (Buckman), xv. 468 ; xvii. 

 534. 



foxtail-grass, analysis of (Way), xiv. 



177 ; its relative growth in different 

 situations (Buckman), xv. 468; xvii. 

 514. 



grasses, analysis of, xiii. 466. 



, J. Buckman on, xv. 466 ; effect of 



irrigation upon, 467. 



jMeal, of oat, Ijarley, maize, turnip, and 

 plantahi analysed, xiii. 522. 



Measure work, on, a prize essay, by Hugh 

 Eaynbird, vii. 119. — Land measure, 

 124 ; mowing grasses, ib. ; mowing- 



