. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. ON VEGETABLE CULTURE. [049 plants should have some coal-ashes or litter placed close up to the hearts to protect them, removing the same in spring. There is little difference between the Green Globe and the Purple Globe, both varieties being satisfactory when well grown. Jerusalem Artichokes (Fig. 678) are seldom the success they could be made if better cultivated. As a rule, they are planted in the worst part of the garden, but when given an open, sunny position, with sufficient room for development, and a rich soil
. The Book of gardening; a handbook of horticulture. Gardening; Horticulture. ON VEGETABLE CULTURE. [049 plants should have some coal-ashes or litter placed close up to the hearts to protect them, removing the same in spring. There is little difference between the Green Globe and the Purple Globe, both varieties being satisfactory when well grown. Jerusalem Artichokes (Fig. 678) are seldom the success they could be made if better cultivated. As a rule, they are planted in the worst part of the garden, but when given an open, sunny position, with sufficient room for development, and a rich soil, the tubers are not only freely produced, but are also large and of superior flavour. To grow them well, the ground should be deeply dug and well manured in the autumn or winter, incorporating fresh or green manure, and leaving the soil on the surface as rough as possible. At the end of February or early in March, when the soil is in good working order, the Fig. 678.—Jerusalem Artichokes. tubers should be planted in lines 3ft. apart, allowing i8in. between the tubers in the lines. When about 8in. high, the plants should have the soil drawn up to them, as with Potatoes, and weeds should be kept down during the summer. When the tops die back in the autumn all the tubers may be carefully lifted and stored in a cool, frost- proof shed, the same as other root crops. Asparagus. It is now well known that very fine Asparagus may be grown without going to the expense formerly incurred in taking out soil to the depth of several feet and replacing with expensive compost. Providing the drainage is good, any fairly porous soil can be made to grow Asparagus as easily as any other vegetable. If the soil is sandy or a good porous loam, deep digging and liberal manuring in the autumn or winter will be preparation enough. When the soil is clayey or tenacious, however, the addi- tion of material to make it more porous is essential—sand, road- scrapings or parings, ashes from burnt rubbish, a
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