By using intensive cultivation and fertilization to grow corn, a "manzana" (about 0.7 hectares) which once produced an average of about 2000 lbs. of corn can be made to produce about 4000 lbs.
在玉米的栽種上，使用密植兼以施肥的種法，一個滿山（○．七公頃）平均由二十斤打（一斤打等於一百磅）的收成，增加為四十斤打。