Agrostis alba, 32, 35, 36, 50, 51, 54, 56 

 Algerian phosphate, 8, 21 



effect of, on accumulation of nitrogen 

 in soil, 77; on the herbage, 35, 50, 

 58; fine grinding on availability of, 32 



field trials with, 25 et seq. 

 Alopecurus pratensis, 36 

 Anthoxanthum odoratum, 50, 51, 54, 56 

 Apatite, 11 



Armstrong, S. F., 36, 37 

 Avena flavescens, 50, 51, 54, 57 

 Azotobacter, 86 



Bacteria, influence of phosphates on soil, 



86 



Bainbridge, F., 10 

 Basic slag 



comparison of, with superphosphate, 4 

 effect of, on accumulation of nitrate 

 in soil, 77 et seq. ; on accumulation 

 of nitrogen in soil, 75; on bacterial 

 content of soil, 86 et seq. ; on soil 

 acidity, 99 et seq. ; on soil moisture 

 content, 63 et seq.; on soil tem- 

 perature, 68 et seq. ; on soil texture, 

 73 et seq. 

 grades available, 7 

 high grade, 7 ; manufacture of, by open 



hearth process, 6 



production and consumption of, 5 

 use on arable land, 4 

 Basic Bessemer slag 



early experiments with, 3 



effect on botanical composition of 



herbage, 51, 52, 53, 57 

 field experiments, 23, 27, 38, 44 

 manufacture of, 2 

 Basic open hearth slag 



comparison with Bessemer process, 5 

 manufacture of, 4 



Basic open hearth slag (high sol.), 21 

 effect on botanical composition of 



herbage, 28, 35, 39, 50 et seq. 

 field experiments with, 23 et seq. 

 Basic open hearth slag (fluorspar), 21 

 effect on botanical composition of 



herbage, 28, 35, 39, 50 et seq. 

 field experiments with, 23 et seq. 

 manufacture of, 6 

 pot experiments with, 10 

 Belgian phosphate, 15 

 Bellis perennis, 36 



Bones, 1 



dissolved, 2 

 Boulder clay, soils, trials with various 



phosphates on, 22 et seq. 

 Burlison, W. L., 11 

 Butterfields. See Latchingdon 



Cambridge coprolites, 21 



effect on botanical composition of 

 herbage, 58, 59 



field experiments with, 31, 40 

 Carolina phosphate, 8 

 Centaurea nigra, 24 

 Chalk soils, field experiments with various 



phosphates on, 43 

 Cleveland phosphate, 21 



effect of, on botanical composition of 

 herbage, 55, 58, 59 



field experiments with, 31, 40 

 Clover, failure of, 102, 104 

 Cockle Park, 3, 4, 17, 24, 76, 100, 102 

 Collins, S. H., 8, 75, 78 

 Coprolites, 8, 15 

 Cynosurus cristatus, 36, 50, 51, 54, 56, 57 



Dactylis glomerata, 36, 37 

 Daubeny, Prof., 14 

 Dundonald, Lord, 1 

 Button, F. V., 10 

 Dyer, B., 14, 96, 98 



Egyptian phosphate, 8, 21 



effect on accumulation of nitrogen in 

 soil, 75; on botanical composition of 

 herbage, 35, 50, 55, 58, 59; of fine 

 grinding on availability of, 32 



field trials with, 25 et seq. 



Farnham Hall 



accumulation of nitrogen in soil at, 76 

 effect of phosphates on the herbage at, 



29; on the soil texture at, 76 

 field trials with various phosphates at, 



27 

 limiting manurial factors at, 95 



Ferrous sulphate, influence of, on hay- 

 crop, 31 



Festuca ovina, 50 



Field experiments, with various phos- 

 phates, 18 et seq.; conclusions drawn 

 from, 45; applicability of the results of, 

 48 



