The Conchfim. 3^3 
January , or February , the* they make but a 
flow progrefs in their growth upwards, du- 
ring the cold feafon, yet their roots, as alfo 
thofe of winter corn, do in the mean time 
flioot well into the warmer earth, foas to be 
able to afford plenty of nourifhment when 
the feafon advances, and thf re is a greater de- 
mand of it both for nutrition and perfpira- 
tion. But when Peafe are fown in June, in 
order for a crop in September, they rarely 
thrive well, unlefs in a cool moifl Cummer, 
by reafon of the too great perfpiration caufed 
by the fummer’s heat, which dries and har- 
dens their fibres before they are full grown. 
Tho" we have from thefe Experiments, 
and from common obfervation, many proofs 
of the great . expand ve force, with which the 
fibrous roots of plants fhoot, yet the lefs 
refiftance thefe tender fhoots meet with, the 
greater progrefs they will certainly make in 
equal times : And therefore one confidera- 
ble ufe of fallowing and trenching ground, 
and of mixing therewith feveral forts of com- 
poll, as Chalk, Lime, Marie, Mj>ld, &c. 
is not only thereby to .replenifii it with rich 
manure, but alfo to loofen and mellow the 
foil, not only that the air may the more 
eafily penetrate to the roots, but alfo that 
the 
