นี้ Book ไม่ได้อยู่ในภาษาของคุณ, ดูใน: English (en),
หรือใช้ Google Translate:  

Although agricultural systems in which two or more useful plants are grown simultaneously on the same area have been receiving increasing attention in recent years, the practice has long been recognized as a way in which farmers in the tropics and subtropics with limited land resources can produce food and cash crops.

รายละเอียดสิ่งพิมพ์

  • ผู้ตีพิมพ์: New York State College of Agriculture and Life Sciences, Cornell University,
  • Dewey Decimal: 631.58
  • ห้องสมุด ECHO: 631.58 KAS