12 N. H. Agr. Experiment Station [Bulletin 289 



In the oats crop harvested from the plots which were in potatoes in 1934, 

 all series to which lime had been applied yielded more than the check plots. 

 Increasing the phosphoric acid in the fertilizer had more of a residual stimu- 

 lus on oats than increasing the potash. 



In the hay crop harvested in 1935 the series that had lime showed in- 

 creased yields over the check plot series. This soil is too acid to grow clover 

 without lime, and hence where the clover is stimulated the yield is increased. 

 The hay was practically a failure where no lime was used. 



A Fertiliser Experiment zvith Legumes in the Couuccticnt Valley. The 

 plots on the field of the Livingston farm near Claremont were in winter 

 wheat in 1934, which served as a nurse crop for alsike clover on forty plots 

 and for red clover on forty plots. The plots were top-dressed in 1935 and 

 harvested in July and again late in August. Lime did not increase the yield 

 of alsike clover materially, when used alone. In combination wnth phos- 

 phorus and potash and nitrogen, phosphorus, and potash it increased the 

 yield about one-quarter ton per acre as compared with these treatments with 

 no lime. 



The outstanding fact gleaned from the experiments during the past five 

 or six years is that neither phosphorus nor potash stimulate the yield to any 

 great extent when used alone, but in combination they give results that are 

 more than additive. 



Results for red clover are not vastly different from those with alsike 

 (F. S. Prince, P. T. Blood, T. G. Phillips, and G. P. Percival — Purnell 

 Fund. ) 



A Soil Survey of New Hampshire 



A complete survey of New Hampshire soils was started in May, 1935 

 with the cooperation of the U. S. Bureau of Soils. W. J. Latimer of that 

 organization was detailed to head up the work. 



Field operations started in Grafton County on May 1 and were con- 

 cluded on October 15. A report on the soils of this county will be written 

 during the winter. 



Operations were taken up in Sullivan County upon the completion of the 

 work in Grafton and continued until November 15, when the party broke 

 up for the winter. 



The three assistants employed by the University spent the winter months 

 making a mechanical and chemical study of the soils collected in Grafton 

 during the summer of 1935. {Purnell Fund.) 



Time of Cutting Hay 



The original plots used when this work started in 1930 have been con- 

 tinued. Data on relative yields and protein percentages do not vary much 

 from year to year. The effect of continued early and late cutting upon the 

 stand of grass is being determined. Observations in 1935 indicate that there 

 is little difference in stand so far with a slight disadvantage for the plots 

 harvested June 20. (F. S. Prince and P. T. Blood — Hatch Fund.) 



Grass Hay Top-Dressing 



In tests of various carriers and levels of nitrogen for top-dressing, the 

 different nitrogen carriers ranked as follows : Cal nitro, sulphate of ammo- 



