MANURES, THEIR KINDS AND USES. 25 



ficient slack should be attached to the whiffletree and 

 plow-beam. Capt. J. W. Me Alpine has devised an iron hook 

 " horn/' which is attached to the plow-beam, as in figure 



Fl. 1. IBON HOOK OB " HORN " ATTACHED TO PLOW. 



1. It works just in advance of the plow point; and on 

 the surface its curvature corresponds to that of the mould- 

 board, and draws the vines into the furrow. The same 

 person has also invented a roller, which has a set of five 

 projecting knives, with which to cut the vines when the 

 growth is very luxuriant. By driving twice over the 

 field at right angles the vines are cut in ten-inch lengths, 

 and can be turned under effectively. The roller is fixed 

 to shafts or a tongue, and as it is too light, a weighted 



Fig. 2. ROLLER FOB CUTTING COW PEA VINES. 



box is attached above the axle. The roller, figure 2, is 

 fourteen inches in diameter, the knives five inches wide 

 and ten inches apart. As neither of these inventions is 

 patented, any one can use them. 



STABLE MANURE. 



Stable manure is a complete fertilizer, and is of all 

 the most to be relied upon by the market-gardener, as it 



i 



