Productive farming . Fig. 102.—Childrens garden, Red Wing, Minn. (Agricultural Education.) cauliflower may be kept over and get an early start the fol-lowing spring. The hot-bed may be used in the fall to produce quickcrops of lettuce and radishes. Fruits and flowers should also be used a great deal inthe school garden. Select those which will bear the blossomsand fruit at a time when the school is in session. Earlystrawberries may be used if school is not closed too the permanent crops at one side of the garden to allowfree use of the plow in preparing for annual planting. (SeeFig
Productive farming . Fig. 102.—Childrens garden, Red Wing, Minn. (Agricultural Education.) cauliflower may be kept over and get an early start the fol-lowing spring. The hot-bed may be used in the fall to produce quickcrops of lettuce and radishes. Fruits and flowers should also be used a great deal inthe school garden. Select those which will bear the blossomsand fruit at a time when the school is in session. Earlystrawberries may be used if school is not closed too the permanent crops at one side of the garden to allowfree use of the plow in preparing for annual planting. (SeeFig. 97.) Garden Experiments.—The school garden in both cityand countrj should be a place to experiment. Something GARDENING 183 should be learned besides how plants grow. Such experi-ments as some of the following may be tried even in windowboxes, or plant trays (Fig. 103): Determine the influence of depth of planting as sug-gested by Fig. 77. But try it in the garden as well as inthe Fig. 103.—\. The roof garden made by children. The city is a place wheremany experiments may be tried. B. School garden work; a lesson in thinning plants, (.\gricultural Education.) Compare two parts of a row with and without dust-mulch methods. Try potatoes by the level culture and the hilling upmethods. Grow crops that are not commonly raised in the section;perhaps some new legumes, as alfalfa, cow peas, soy beans,or vetch. The effects of certain fertilizers or of lime may be tried 184 PRODUCTIVE FARMING on certain rows and other rows next to them left like manner the effects of spraying may be tested. Many soil experiments may be tried in the garden. Testthe soil with litmus paper for acids. Test the temperatureof the soil in spring and fall. Cover a square foot with black material, as charcoal,and another square with lime. Then test the soil again tosee if the sun heats one soil more than the other. Which? Compare the packing, baking, and crusting effects ofsandy
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