CHE REFERENCE LIBRARY - ZetaTalk

111 commercial establishments, cuttings are grown extensivelyin summer. The cuttings are made of growing or maturingshoots taken f7omthe natural outdoorgrowth, as cuttingsof similar maturitymay be taken fromgreenhouse stuff inwinter and spring.Cover and protectionmust be providedfor these summercuttings. Low glasshouses,of the forc-l?rc;. sti. f’ropnRntillR-hollses, UsefUl for summer ing-pit type, are mucllwork wit 11 r:ut,t,ings.used, being wellshadecl. AK 5 111 houst~s are indicated in Fig. 86. They may beIltiIizecl. for ~cccl-proI)agntion or other work, if needed. Framesare useful, as in Fig. SI ; ant? these are also usable in springfor rrc&*ing surphWs t 0 c Ii f r o m t h egreenhouse. TllC~*are commonly- providedwith slatcovers,as shown, togo over the glass ;or in summer thecovers alone may beused. Usually tliQL’s’frames are rangedFIG. 87. Propagating-frame.torcther in a yard,aI;d high shading is provided by means of muslin as illustrat,cdin Fig. ‘3 aild again in Fig. 88.