294 



"1,1 have suffered very little from rust in 1896 or 1897, 

 yet there have been some spots of it each year on my place. 



« 2. I have every variety of soil. Rust is worse in the 

 gray soils that are the poorest ; however, of a very wet year 

 the black loam lands suifer, sometimes seriously, as well as 

 level red lands. 



« 3. I have not used kainit. 



"4. Old lands. 



"5. They certainly do. Some twelve years since I removed 

 a fence by burning it. It shows plainly now, and I do not 

 remember seeing rust on it. I threshed wheat about twenty 

 years ago, and left the straw in the field. There has been no 

 rust in any of the places. Where fodder has been stacked in 

 the fields the same good results are visible. Where there are 

 large crops of peavines (say 15 to 20 tons per acre when 

 green) left to rot on the ground, I have never seen rust for 

 several years. I, however, attribute this to the mechanical a& 

 well as chemical condition of the soil. I have experienced 

 good results in preventing rust by using a mole-shaped, 

 15-inch foot subsoil plow following a two-horse turning plow 

 on level red lands." 



This report is very interesting and instructive, especially 

 in regard to the benefit from the use of the subsoil plow. It 

 illustrates the necessity for studying local conditions, and of 

 adapting remedial measures to them, since on the light soils 

 of the Station Farm (see Bull. 76 and 89) and on the sandy 

 land of Mr. Moore near Auburn (seep. 301) subsoiling has 

 given very little result. 



From J.M. Ballard, Superintendent of Experiment Farm, 

 Jackson, Ala. : 



" 1. I have suffered from rust, both in 1896 and 1897, on 

 account of drouth, which lasted throughout the cotton grow- 

 ing season. It is hard to ascertain the proper per cent, of 

 loss by rust, but can say with safety 10 per cent. 



" 2. My soil is a coarse red soil of a thirsty nature. Rust 

 is most prevalent in the thin sandy portion, those places most 

 destitute of vegetable matter. 



"3. I have used kainit with success at the rate of 20O 

 pounds per acre. 



" 4. Old lands which have been in cultivation for a num- 

 ber of years and which have about exhausted all their vege- 

 table matter are most subject to rust in this section. 



« 5. I have noticed that new ground, fence rows and lot& 



