. Dry farming in western Canada . Fig. 96.—Wheat Field at Fort Vermilion, Peace Rivsr. 700 miles by trail north-west of Edmonton, Alia. will be necessary to apply phosphorus, the supply of which in our soils is not high; and we arc shipping it away in large quantities in the grain we sell. Nitrogen can be gotten from the air by growing legumes, and the potash supply in the soil is very high, but unfortunately there is no means of replenishing the phosphorus supply excepl by purchasing. It is in- teresting to note thai the use of phosphate fertilizers in some places results in an earlier crop o
. Dry farming in western Canada . Fig. 96.—Wheat Field at Fort Vermilion, Peace Rivsr. 700 miles by trail north-west of Edmonton, Alia. will be necessary to apply phosphorus, the supply of which in our soils is not high; and we arc shipping it away in large quantities in the grain we sell. Nitrogen can be gotten from the air by growing legumes, and the potash supply in the soil is very high, but unfortunately there is no means of replenishing the phosphorus supply excepl by purchasing. It is in- teresting to note thai the use of phosphate fertilizers in some places results in an earlier crop of grain.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdryfarm, bookyear1921
