MANURES. 139 



by the guano — and the other lots by ashes and green cow- 

 manure — is most striking : that by the guano is ahnost entirely 

 dry and seared, while the others are clothed with almost luxu- 

 riant verdure. 



Having turned my attention very particularly to top-dressing 

 of my grass lands, for several years past, I may be permitted 

 to speak very confidently of the great advantages to be derived 

 from practicing it ; and perhaps have realized as much benefit 

 as any one from pursuing it. 



Oak Hill, South Danvers, October 29, 1861. 



Report of the Experiment on the Application of Manures on the 

 ^^ Treadwell Farm" the year o/* 1861, competing for the Premiums 

 as offered hy the Massachusetts Society for the Promotion of Agri- 

 culture, and also by the Essex Agricultural Society. 



Land selected ; level. 



Amount of land ; two and one-half acres. 



Quality of land ; light, dry, not retentive of manures. 



Crop of 1860 ; grass. 



No manure in 1860. 



Kind of manure used 1861 ; stable manure which had been 

 thrown into the hog-yard from day to day. 



Amount ; twenty cords. 



Depth of ploughing ; eight inches. 



Five cords applied to Lot No. 1, and ploughed eight inches 

 deep the whole field. 



Five cords applied to Lot No. 2, and the whole field cross- 

 ploughed four inches deep. 



Five cords applied to Lot No. 3, and the whole field harrowed 

 twice. 



Five cords applied to Lot No. 4, and left exposed on the 

 surface. 



Lot No. 5, no manure. 



May 13th, 1861, ihe whole piece was planted with corn 

 known as the " Flint Corn," the hills three and one-half feet 

 apart each way. 



June 10th, cultivated the whole field, both ways, and com- 

 menced hoeing, and hoed the whole field, keeping the land 

 level. 



