Report of the Department of Agriculture and of the Agricultural Experiment Station of the University of Minnesota

Report of the Department of Agriculture and of the Agricultural Experiment Station of the University of Minnesota

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 edition. Excerpt: ...6 feet 100 per cent 31 Riga willow........................ 2 feet 100 per cent Napoleon's willow......... Salix's..... 3 feet 95 per cent Laurel-leaved willow. Salim Laurij'olia.. 4% feet 99 per cent 15 Vor. poplar............................................ 2 feet 85 per cent Siberian Pyramidal poplar Papulus P3/ramidalis Siberica.................... 2 feet 85 per cent Onions on Soil Plowed and Harrowed and on Soil only Harrowed; Special Fertilizers for Onions. The land chosen for this experiment was an open clay loam, which had previously been used for garden purposes and had been highly manured. The previous season it had born a crop of onions. The land was carefully measured off 100x90 feet, and was divided into two equal parts by a north and south line, running parallel with the rows of onions. The cast half was plowed eight inches deep, and the other half was simply thoroughly pulverized on the surface with a disk harrow, and the whole piece was smoothed with a smoothing harrow and a smoothing board. The whole piece was then divided into five plots running east and west, each plot being twenty by ninety feet. These plots were manured with different fertilizers, or left without manure, as thought best. Thus each differently fertilized plot was half of plowed soil, and half of soil merely harrowed. The questions presented were--First--What will be the comparative yield in growing onions on soil which has been plowed and thoroughly loosened to a depth of eight inches and in growing them on land that has only had about three inches of the surface soil loosened'! Second--What will be the comparative yields of the plots manured with different fertilizers! The plots were manured as follows: Plots No. 1 and more

Product details

  • Paperback | 122 pages
  • 189 x 246 x 7mm | 231g
  • United States
  • English
  • black & white illustrations
  • 123697560X
  • 9781236975607