Over the past 20 years, farmers have used outside income to supplement their farming income, making as much as 50 to 60 percent of their total pay.
在过去的20多年中，农民们50%到60%的外出打工收入都用来补贴家中农业生产。
To protect their eyesight. Regular breaks, pay attention to supplement of food containing rich vitamin a, often overlooking, and regularly do eye exercises, ensure get adequate sleep.
注意保护视力。要定时休息、注意补充含维生素a类丰富的食物，不时远眺，经常做眼保健操，保证充足的睡眠时间。
Nitrogen phosphorus chemical fertilizer combined organic improve yield, more ideal way of fertilizing. But should pay attention to the plain supplement of potassium at the same time.
氮磷化肥配施有机肥具有持续提高产量、培肥土壤的双重效果，是砂姜黑土培肥改良较理想的施肥方式，但同时要注意钾素的补充。
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