The crop was felled using a mower-conditioner during
the early booth stage of vegetation (growth stage 41;
Zadoks et al., 1974), wilted for 16 h, and harvested with
a precision chop forage harvester (mean particle length
50 mm). The crop was then ensiled under a black polythene
cover without the use of an additive. Corn silage
(Z. mays, variety Justina) was grown with the aid of
plastic mulch. The crop was harvested at the dough
stage (growth stage 85; Lancashire et al., 1991) using
a precision chop forage harvester (mean particle length
25 mm). Ensilage was without the use of an additive
under a black polythene cover. Prior to the commencement
of the experiment, samples of GS and CS were
The crop was felled using a mower-conditioner duringthe early booth stage of vegetation (growth stage 41;Zadoks et al., 1974), wilted for 16 h, and harvested witha precision chop forage harvester (mean particle length50 mm). The crop was then ensiled under a black polythenecover without the use of an additive. Corn silage(Z. mays, variety Justina) was grown with the aid ofplastic mulch. The crop was harvested at the doughstage (growth stage 85; Lancashire et al., 1991) usinga precision chop forage harvester (mean particle length25 mm). Ensilage was without the use of an additiveunder a black polythene cover. Prior to the commencementof the experiment, samples of GS and CS were
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