Elements of farm practice, prepared Elements of farm practice, prepared especially for teaching elementary agriculture; elementsoffarmpr01wils Year: 1915 CULTIVATED CROPS 67 is a dry, hot day the leaves will soon begin to curl up on the plant thus injured, showing that a portion of its water supply has been cut off. It is necessary, however, to cultivate to kill weeds, to let air into the soil and to form a surface mulch to save moisture; and many times it is necessary to cultivate deep enough to injure corn roots in order to accomplish these various things; but the aim should always be to cu

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Elements of farm practice, prepared Elements of farm practice, prepared especially for teaching elementary agriculture; elementsoffarmpr01wils Year: 1915  CULTIVATED CROPS 67 is a dry, hot day the leaves will soon begin to curl up on the plant thus injured, showing that a portion of its water supply has been cut off. It is necessary, however, to cultivate to kill weeds, to let air into the soil and to form a surface mulch to save moisture; and many times it is necessary to cultivate deep enough to injure corn roots in order to accomplish these various things; but the aim should always be to cu Stock Photo
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Elements of farm practice, prepared Elements of farm practice, prepared especially for teaching elementary agriculture; elementsoffarmpr01wils Year: 1915 CULTIVATED CROPS 67 is a dry, hot day the leaves will soon begin to curl up on the plant thus injured, showing that a portion of its water supply has been cut off. It is necessary, however, to cultivate to kill weeds, to let air into the soil and to form a surface mulch to save moisture; and many times it is necessary to cultivate deep enough to injure corn roots in order to accomplish these various things; but the aim should always be to cu
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Elements of farm practice, prepared Elements of farm practice, prepared especially for teaching elementary agriculture; elementsoffarmpr01wils Year: 1915 CULTIVATED CROPS 67 is a dry, hot day the leaves will soon begin to curl up on the plant thus injured, showing that a portion of its water supply has been cut off. It is necessary, however, to cultivate to kill weeds, to let air into the soil and to form a surface mulch to save moisture; and many times it is necessary to cultivate deep enough to injure corn roots in order to accomplish these various things; but the aim should always be to cultivate no deeper than necessary. If deep cultivation is to be practiced at all it should be done while the corn is small, as it is injured less at this time. Cultivator.—The kind of cultivator used has much to do with the depth of cultivation. If a cultivator with two large shovels on a side is used, it must be run deeper to cover all the space between the rows, than one which has three, four or five shov- els on a side. The small ehovels and more of them do finer, shallow- er work than the large shovels; but where corn has been neglected until the weeds are large, the larger shovels are bet- ter, because they do not clog up so easily and because they plow out the weeds instead of cultivating them. Surface Cultivators. •—At present many far- mers are using what are called surface cultiva- tors. In place of shov- els there are two or more knives or blades that run an inch or so below the surface of the ground, separating the surface soil from the soil below and cutting off just Figure 31. -The root system of corn, sas Bulletin No. 147 Kan