Tài nguyên được gắn thẻ với: Plant Products
1 đề mục được tìm thấy (Hiển thị 1 - 1)
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Overzealous and indiscriminate use of many synthetic pesticides during recent decades in the control of plant pests has resulted in a number of environmental and toxicological problems. Reducing the release of synthetic chemicals into the environment requires that alternative sources of chemicals...