In Lombardy a six-year shift is common: either wheat, clover, maize, rice, rice, rice (the last year manured with lupines) or maize, wheat followed by clover, clover, clover ploughed in, and rice, rice and rice manured with lupines.
B, Antenna of male; c, antenna swollen tail-ends black with the contained food-material, are often dug up in numbers in well-manured fields.
Ray, who made a tour along the eastern coast in that year, says, " We observed little or no fallow ground in Scotland; some ley ground we saw, which they manured with sea wreck.
The ground has to be thoroughly cleared of stones, manured and trenched, and the corms are planted in ridges.
Under a high state of cultivation, being manured with the hearts and brains of men!
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