. Esperimenti di concime con pomodori. Il risultato della prova: Tabella III. Risultato del 1909 Test con il Sig. I. N. Spielmart. 03 t© L. S) o M <* d N o 0. CCO *J 3 o 3 £ s o u o oas £3Z on.s« 3 a zx L. 2-° u. o) - CD 3U ?=5 03 0) > e1- o o CD = S S2 a>.- « 05 - o t-O.U 3 o « *- >CLO o o 09 ValueIncrease PeFrom UseFertilizer. 1. 221 632.6 9.6 72. 714.2 814.9 1.3 30.79 1.80 28.99 2. 286 225.4 179. 404.4 224.3 6.18 5.25 .93 3. 261 168.2 .6 176. 344.8 183.4 . .2 4.47 3.10 1.37 4. 254 166.2 152. 318.2 186.3 4.60 4.70 *.10 5. 266 526.6 3. 180. 709.6 563.6 .4 20.32 2.10 18.22 6. 270

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. Fertilizer experiments with tomatoes . the result ofthe test: Table III. Result of 1909 Test with Mr. I. N. Spielmart. 03 t© L. S) o M <* d N o 0. CCO *J 3 O 3 £ s o u o oas £3Z on.s« 3 a zx L. 2-° u. o O) — CD 3U ?=5 03 0) > e1- O O CD = S S2 a>.— o «_ 05 — o t-O.u 3 O « *- >CLO O O 09 Net ValueIncrease PeFrom UseFertilizer. 1. 221 632.6 9.6 72. 714.2 814.9 1.3 $30.79 $1.80 $28.99 2. 286 225.4 179. 404.4 224.3 6.18 5.25 .93 3. 261 168.2 .6 176. 344.8 183.4 . .2 4.47 3.10 1.37 4. 254 166.2 152. 318.2 186.3 4.60 4.70 *.10 5. 266 526.6 3. 180. 709.6 563.6 .4 20.32 2.10 18.22 6. 270 72. 105. 177. 75.9 7. 295 608.9 6.6 120. 735.5 587.6 .9 21.32 7.35 13.97 8. 331 940. 24.6 91. 1055.6 808.5 2.3 30.52 5.20 25.32 9. 323 1322. 7.6 125. 1454.6 1165.2 .5 45.38 6.80 38.58 10. 236 175. 110. 285. 211.1 5.63 7.80 *2.17 11. 333 1369.2 18. 200. 1587.2 1170.6 1.1 45.61 9.90 35.71 12. 311 784.6 8.2 124. 916.8 718.2 .9 26.76 6.40 20.36 13. 315 816.6 19.2 105. 940.8 738. 2. 27.58 9.60 17.98 •Decrease.. Fig. 1. Plot 6. Mr. I. N. Spielmans 1909 Test. Check. No Fertilizer.Bushels Per Acre. Photo Taken August 25, 1909. Yield 12.6 Tests With Mr. Chas. H. Rockwell. I wo fields were planted for Mr. Rockwell, one of eleven andone of thirteen plots. Both fields were of the upland type, the latterbeing at a considerably higher elevation than the former and of morestony ground. Field number one had been in grass the previous 8 W. Va. Agrl. Experiment Station [Bul. 142] year and had received an application of about 1000 pounds of limeto the acre after having been plowed in 19 0i9. Field number twowas in a five year old apple orchard, each plot occupying the spacebetween two rows of trees. It had been in clover the previous year.The fertilizer applied to plot 1 of each field analyzed .82% nitrogen, 9% available phosphoric acid and 3% potash and cost $21 a ton.The yields of the two fields are given in the following tables: Table IV. Besult of 1909 Test icith Mr. C. H. Bock

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1910
• bookidfertilizerex
• bookyear1913