. Bulletin (Pennsylvania Department of Forests and Waters), no. 46-50. Forests and forestry. Sr< ,1 lirdx Miihhdl ir'tlh S/nnr fur W inhr Pntfcrf s<-r( rn •s- <lir 'nl <,,i III, Shdir /o A' Km * < It II III I'hi, r .seeds i: Tl arlv ] lOUl" At 11 It' season of the veai- when i'all- sown couiierous rerminate. white-throated .sparrows avo mi<ii-atin1 eave behind them manv ruined beds. ate or watchei-s. Spi-ino-sown seeds jzcrmin ater and usually sulTer less I'l-om bii-ds. Ktei-nal vi<'il ance is nece-^ •sary d" the |)laidin^s are to be protected from the reathe
. Bulletin (Pennsylvania Department of Forests and Waters), no. 46-50. Forests and forestry. Sr< ,1 lirdx Miihhdl ir'tlh S/nnr fur W inhr Pntfcrf s<-r( rn •s- <lir 'nl <,,i III, Shdir /o A' Km * < It II III I'hi, r .seeds i: Tl arlv ] lOUl" At 11 It' season of the veai- when i'all- sown couiierous rerminate. white-throated .sparrows avo mi<ii-atin1 eave behind them manv ruined beds. ate or watchei-s. Spi-ino-sown seeds jzcrmin ater and usually sulTer less I'l-om bii-ds. Ktei-nal vi<'il ance is nece-^ •sary d" the |)laidin^s are to be protected from the reathered rai<l YOUNG TREES ARE SHADED The .sudden removal of tli<' midch From the seed bed ei's. uei-muiatniii' seed to t!ie dir.'ct heat of tl the surlace layer ol" .soil in which tl s exposes the If sun. and tends to (Ivv oui le se<'(l is bedded. It is n to supply s(.me protection to both .seed and .soil. Proteet eeessarx l»y the (d' shades, also called schm- r >uuli^ht to reach tin- be<ls. Stak ion is provided *eji! the l)e(ls at I'euul "• intervals, and us. whi(di allow oidy .')() ])or e es ai'e driven alony- the ed«»"es of wooden strips are laid aeross th< each .strip n'stino- on the tops of opp(,site .stakes. These st ai-e nailed fast to the stal Kes. and the ^liades ar<' laid on the stri|)s. vi\ )S 18 I The shades are of a lenj?th eonvenient tor handling. The first ones (M'd at Mont Alto were made of a i)atent t'enee material eomposed of laths ;'d in woven wire. These were both iu'avy and ex- Latc!', shades wci'c made accor(lin«4' to tlu' follcming speeifiea- ions: two strips of one by two-inch hnnber were used for a frame, and I) these strips oi'dinai'y buildiiej laths were nailed. The laths were icavy H-nsive i)ace( Miose 1 one lath-width apart, so that if e()m|)let sliading was desin'd. laths could be laid between the |)ei-mam'nt laths in tlio jsereen. A shade of this soi't j^ives alternate strips of sunliji
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforests, bookyear1923
