. Dry farming in western Canada. Canada. Agriculture Canada; Dry farming. 356 DRY FARMING (5) Light—for the synthesis or building up, in the leaves, of organic compounds from the inorganic elements of plant food. (6) Air—which not only supplies a large part of the food of plants, but which in small quantity in the soil. Fig. 106.—Cattle on the Eange ill Northern Saskatchewan. provides a desirable environment for plant roots and at the same time plays a large part in the development of "available" plant food. Fortunately for us nature provides most of these re- quirements with a lavis
. Dry farming in western Canada. Canada. Agriculture Canada; Dry farming. 356 DRY FARMING (5) Light—for the synthesis or building up, in the leaves, of organic compounds from the inorganic elements of plant food. (6) Air—which not only supplies a large part of the food of plants, but which in small quantity in the soil. Fig. 106.—Cattle on the Eange ill Northern Saskatchewan. provides a desirable environment for plant roots and at the same time plays a large part in the development of "available" plant food. Fortunately for us nature provides most of these re- quirements with a lavish hand. It remains for man to increase, or at least maintain the supply of those that under his own climatic and soil conditions have been either wasted or but sparingly supplied. 312. Light and Air Essential, but of Little Practical Importance.—Light and air are as important to the plant as plain food, water or heat, yet neither is as important to the crop grower for the reason thai he finds both pro- vided in very -rival alnnidanee. More light than readies the earth in most climates where agriculture is practised, is seldom needed, and even if it were, the amount could not be increased Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bracken, John, 1883-. Winnipeg, Canada : The Grain Growers' Guide, Ltd.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdryfarm, bookyear1921
