It is the practice of the plantation to subsoil to a depth of 26aquot;, using a heavy tractor , with duck bill attachments. Plowing ... All lines which are broken or damaged slightly in anyway, are taken care of by a small furrow plow attachment on a Ford Ferguson which is in planting fields at all times. ... In 1953 an additional amount of fertilizer (nitrogen and potash) was applied by airplane in pellet form as need wasanbsp;...
|Title||:||The Gilmore Hawaii sugar manual|