. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. Fig. 173.—system of forcing with hot-water PIPES ABOVE THE BED. fig. 171. The trenches are 16 in. deep and liyards wide, and the roots are plantedclosely together in rows, always at the samelevel. They are first covered with a 12 in. layerof light soil, and afterwards with a hed of freshstable manure. The manure must be welltrodden and 20 to 24 in. in depth. By this. Fig. 174.—section showing hot-waterpipes below the roots. method the heads may be gathered in threeweeks from the time of planting. For
. The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. Fig. 173.—system of forcing with hot-water PIPES ABOVE THE BED. fig. 171. The trenches are 16 in. deep and liyards wide, and the roots are plantedclosely together in rows, always at the samelevel. They are first covered with a 12 in. layerof light soil, and afterwards with a hed of freshstable manure. The manure must be welltrodden and 20 to 24 in. in depth. By this. Fig. 174.—section showing hot-waterpipes below the roots. method the heads may be gathered in threeweeks from the time of planting. Forcing in Frames.—The market growers useportable heated frames known as thermosiphon6,of which an illustration is given in fig. 172. Thisis the best method of all, and produce grown inthis way is always of the finest quality. Thehot-water pipes are set either above or underthe soil (see figs. 173, 174). The temperature ismaintained at 60° to 70° Fahr., and it must By this system the crowns may be gatheredafter the second or third week of forcing, anda succession may be obtained from November toApril. Henri Chevalier, Professor of Horticul-ture, Liege, Belgium. Exi ort in 10,108. 4,547 :i1,9831,492 INDIA. THE POTATO MOTH. In the Gardeners Chronicle for May 3, 1913,there, occurs an account of the Potato Moth. This pest first appeared in Behar in 1907, anddid serious damage to stored Potatos in theneighbourhood of Patna, an important ma
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