AGRICULTURAL MACHINERY 



1005 



The disease often causes the death of the fish, but cnh- when the latter 

 is greatly enfeebled. In some cases recovery may take place. 



The dead fish being entirely invaded with bacteria, it was not 

 possible to ascertain where the}' enter. 



The study of the disease is being continued. 



FARM ENGINEERING. 



7S4 - Strecker's Liquid-manure Drill. — Strecker, iu Deutsche Landwirtschaftliche Presac, 

 43rd Year, Xi>. },},, p. z<j} ; Xu. 34. !'■ 3^4 + Fig- Berlin, April 22 and 26,1916. 



A series of definite principles have been devised in connection with the 

 preparation, storage and use of liquid manure but up to the present there 

 has been no suitable apparatus for putting it into the soil in accordance with 

 these principles. It is requisite that the liquid manure should not leave the 

 distributing cask or barrel in a large jet which comes into contact with the 

 air before reaching the soil ; it must be introduced direct into the soil, and 

 protected against air. This condition is complied with by the " Jauche- 

 drill " (liquid manure drill) of Professor Strecker, of which the appen- 

 ded figure represents a general view. 



After trying all sorts of contrivances, the inventor at last satisfied him- 

 self that the best method of preventing access of air consists in the use of 

 steel discs [g] similar to those of mechanical seed drills. Small pointed 

 drill shares, with guide roller and adjusting bar gear, precede the discs, cutt- 

 ing into the soil .so that the discs can afterwards pass in the purin and cover 

 it up with earth at once. The result is that the purin flowing in a big jet 

 into the " Schartrichter " (funnelshare) m (fig. 2) at once disappears com- 

 pletely in the soil and cannot evaporate in the air. For light soils a share 

 consisting of the funnel x and the slide y (fig. 3) is sufiicient. 



The inventor adjusts the apparatus according to the quantity of li- 

 quid manure by means of adjustment rings (fig. 4), the aperture of which 

 is made to correspond with the opening 7 (fig. 5). 



To enable the device to work on a slope, the distributing pipe 3 is sus- 

 pended pendulum- wise to the chain 12, and therefore always remains 

 horizontal. 



In order to adapt the distributing mechanism to different crops the 

 method is the same as with a seed drill : the lever-stirrups e on the lever- 

 carrying bar d are moved more or less apart according to the space be- 

 tween the row^s. 



The liquid manure emerging from the barrel through the tap i flows 

 through a flexible tube into the distribution pipe 3, from which it passes down 

 through the socket pipes 11 (figs. 2 and 3) into the funnels m closing with 

 airtight lids n, and afterawrds between the steel discs, thus getting to a depth 

 of about 6 cm in the soil where it is immediately covered with earth. 



This easily handled appliance is made in different sizes for operation 

 bv hand or bv horses. 



AGRICULTURAL 



MACmNERY 



.AND 



IMPLEMENT? 



