Page 1 6 



BETTER FRUIT 



March 



m POWER SPRAYERS 



WHY "THE BEAN IS BEST" 



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That yields have been materially in- 

 creased by the use of fertilizer is 

 clearly indicated. First, compare re- 

 sults from plats receiving nitrate alone 

 in different amounts and applied at 

 different times. We are chiefly inter- 

 ested in average yields on a three-year 

 basis and it is to this column to which 

 your attention is directed. Yields are 

 computed on a heaped basis just as 

 brought from the field, -which is equiv- 

 alent to a packed crate. It seems best 

 to compare results for both tests at one 

 time. It will be seen that plats repre- 

 senting a total of 440 pounds nitrate to 

 the ten thousand plants, one-half of 



which was put on in early spring just 

 as growth was starting and the balance 

 when blossoms appeared, gave highest 

 yields. In Test 1, 281 crates have been 

 secured versus 230 for the Check, or a 

 gain of 51 crates per acre. The yield 

 for the check is unusually good and 

 probably doubles the average for the 

 valley. The significance of increased 

 yields by the use of commercial fer- 

 tilizer under such conditions is inter- 

 esting indeed. This high average is 

 made possible by the exceptionally 

 high yield for 1916, that of 373 crates, 

 a truly remarkable record considering 

 that no fertilizer was applied. Results 



from similar applications in Test 2 are 

 consistent with those in Test 1. Plat 3 

 shows an average total of 250 crates per 

 10,000 plants versus 188 for the Check, 

 or an increase of 62 crates, or 35 per 

 cent. 



In Test 2 only, an opportunity is 

 afforded to note average results from 

 the use of one (heavy) 440-pound appli- 

 cation of nitrate put on in early spring 

 only. It shows a very high average for 

 three years, or 244 crates per acre. 



A further study reveals the fact that 

 a total of 220 pounds nitrate put on in 

 two installments, although considerably 

 surpassed by the heavier applications 

 (Plats 4 and 5) in Test 2, is only very 

 slightly exceeded in Test 1. The figures 

 on a three-year average show 277 

 crates for the former (Plat 3) versus 

 281 for the latter (Plat 5). Further- 

 more, it will be noted that a total appli- 

 cation of 220 pounds nitrate put on in 

 two installments (Tests 1 and 2, Plat 3) 

 give yields exceeding that from plats 

 receiving a similar amount put on- at 

 blossoming time (Test 1, Plat 2), or 

 from plants receiving a similar total 

 amount put on during early spring 

 only (Tests 1 and 2, Plat 1). The ad- 

 vantage of putting on nitrate in equal 

 installments, whether in larger or 

 smaller amounts, is indicated. That 

 heavier applications give larger yields 

 than smaller applications is also clear. 

 Results from the use of sulphate of 

 potash or superphosphate alone are 

 disappointing. In Tests 1 and 2 the 

 former gives yields on an average lower 

 than that of the Checks. This is also 

 true for the latter in Test 1, while the 

 slight increase in Test 2 is negligible. 



When a "Complete Fertilizer" was 

 used, as shown in Plat 7, increased 

 yields have been secured. Results in 

 this respect are consistent in both 

 tests. The increases, however, are con- 

 siderably below that given for heavier 

 applications of nitrate. It is also note- 

 worthy that nitrate when combined 

 with superphosphate in the proportions 

 indicated show smaller yields than the 

 Checks, but when combined with sul- 

 phate of potash increased yields are 

 afforded. Results from the combina- 

 tion of potash and superphosphate are 

 such as to afford little clear-cut evi- 

 dence. In Test 1 results are satisfac- 

 tory in that considerable increase is 

 shown, but a reverse is found in Test 

 2 (Plat 8). 



Owing to the fact that it is hoped to 

 place in your hands soon a bulletin 

 covering this experiment I will not 

 refer to the matter of size of fruit. 

 Complete information in regard to this 

 matter will be summarized therein. 



Summer Applications versus Spring 

 Applications. 

 During the last two seasons experi- 

 ments have been conducted to deter- 

 mine the value of applications made 

 shortly after the harvesting season as 

 compared with similar applications at 

 blossoming time. Unfortunately, owing 

 to the ravages of the Root Weevil the 

 two experiments being conducted with 

 plants still in their prime had to be 

 discontinued after only one season's 

 Continued on page 33. 



