APEXIITDZZ. 



t Suggestions for experiments in 



practical agriculture p. 1 



II. Effect of sudden alternations of 



temperature 11 



III. Results of experiments in practical 

 agriculture made during tiie spring 

 and summer of 1841 — 



At Aske Hall 13 



AtErslcine 16 



At Barochan — 



1. On hay 17 



2. On winter rye 18 



3. On wheat 19 



4. On potatoes 20 



5. On moss oats . 21 



6. On oats, with sulphate and ni- 



trate of soda, as a top-dressing. .22 



7. On peas and beans,with sulphate 



of soda 23 



8. On nitrate of soda as a top-dress- 



ing for gooseberry and currant 



bushes 23 



IV. Suggestions for comparative ex- 

 periments with guano and other 

 manures 24 



V. Of the examination and analysis of 



soils 27 



Determinationof the physical pro- 

 perties of the soil ib. 



Of the organic matter present in 

 the soil 29 



Of the soluble saline matter in the 

 soil 31 



Determination of the quantity of 

 the several constituents of the 

 soluble saline matter . ,33 



Of the insoluble earthy matter of 

 the soil 37 



VI. Different theories of the action of 



gypsum 39 



VII. Suggestions for experiments with 



the silicates of potash and soda. . .40 

 Vm. Results of experiments in practical 



agriculture made in 1842 — 

 A. Experiments on turnips — 



1. Made at Lennox Love 42 



2. Made at Barochan 43 to 46 



3. Made at South bar 46 



4. Made at Muirkirk . ib. 



5. Effectofgypsum on the tur- 



nip crop vi 47 



VIII. Results of experiments in praeti* 

 cal agriculture made in 1842 — 



B. Experiments on potatoes — 



1. Those of Mr. Campbell, of 



Craigie p. 47 



2. Those of Mr. Fleming, of 



Barochan 47 to 61 



C. Experiments upon barley 51 



D. Experiments upon oats — 



1. Those of Lord Blantyre 52 



2. Those of Mr. Fleming 53 



E. Experiments upon wheat — 



1. Those of Lord Blantyre 53 



2. Those of Mr. Flemifig 54 



3. Those of Mr. Burnet, of Gad- 



girth Ib 



F. Experiments upon pasture and 



other grasses — 



1. Those of Mr. Alexander 56 



2. Those of Mr. Fleming 56 



3. TliosenfMr.Campbeli,ofIsla.ib. 



G. Experiments upon mixed crops 



by Mr. Alexander 57 



H. Experiments upon beans — 



1. Those of Mr. Alexander ib. 



2. Those of Lord Blantyre ib. 



I. Effect of the top-dressings ap- 



plied in 1841 upon the crop 

 ofl842 58 



II. Remarks upon the experiments 



of 1842 ib. 



A. The experiments on turnips. ..59 



B. The experiments on potatoes. 64 



C. The experiments on barley... 67 



D. The experiments on oats ib. 



E. The experiments on wheat 63 



F. The experiments on grass 71 



G. The experiments on mixed 



crops 73 



H. The experiments on beans.. ..ib. 

 IX. Results of additional experiments 



made in 1842 75 



Remarks on these experiments... 78 

 X. Experiments in practical agricul- 

 ture made in 1843 by Mr. 

 Fleming, of Barochan— 



1. With guano upon potatoes. . .83 



2. On hay 85 



3. On oats 86 



4. On turnips 87 



Remarks on these experiments... 89 



