Tài nguyên được gắn thẻ với: Agriculture Methodology
1 đề mục được tìm thấy (Hiển thị 1 - 1)
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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...