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冬季垦造地,等于春季施造肥年年冬耕,增产三成;三年不冬耕,桑树烂断根冬耕深一寸,胜上一次肥桑地冬耕是本省农民在桑树栽培上的一条宝贵经验。早在《沈氏农书》中就有详细的记载:“垦地需在冬至之前,取其冬月严寒,风、日、冻、晒,必照
Cultivation of land in winter, equal to the spring fertilizer each year of winter plowing, an increase of three percent; three years of winter farming, mulberry roots broken winter deep a inch thick, wins the last fertilizer mulberry winter farming is the province’s farmers in mulberry cultivation on a valuable experience. As early as << Shen’s Agricultural Book >> there is a detailed record: ’Reclamation land needs to be before the winter solstice, take the winter cold, wind, Japan, frozen, sun, will be according to