Fazenda Vaccaro Ltda
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Modes of Culture: 50 days after planting the weeds are removed, keeping the pulses and other species. After approximately 180 days, depending upon the growth of the pulses, a new whole cleaning is done, leaving the weeds as a green fertilizer rich in nitrogen and potassium. Once a week the sugar cane is irrigated with a sprinkler system with a 20 mm blade.
[Source: Company's web site (relevant page), cited 2005]