Мульчируем http://www.tomat-pomidor.com/2010/05/%D0%BA%D0%B0%D0%BA-%D0%BC%D1%8B-%D0%BC%D1%83%D0%BB%D1%8C%D1%87%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BB%D0%B8-%D0%BC%D1%83%D0%BB%D1%8C%D1%87%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BB%D0%B8-%D0%B8-%D0%BF%D0%B5/