ធនធាន ដាក់ស្លាក: Moths
5 items found (Showing 1 - 5)
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01 មករា 1997 Book includes pictures and discriptions of Florida's butterflies and moths. 96 pages, illustrated, photos
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01 មករា 1964 160 pages, illustrated
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01 មករា 1982 Silkworms are not actually worms at all. They are the caterpillars of a large white moth. Many moth caterpillars produce silk thread inside their bodies, but the thread of the silkworm is so fine and strong that human beings use it to make a beautiful fabric. In countries like Japan, people raise...
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19 មិនា 1989 Religious ceremonies have practical value in Sri Lanka Brazilian farmers - composting helps to prevent pests Schoolboys assist farmers as IPM scouts in the Philippines Integrated pest management Ancient methods Natural crop protection Rice cultivation Herbal preparations Understanding plant...
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Access Agriculture Training Video When the worm of the potato tuber moth enters the potato, in the field or in storage, it destroys it completely. Once the worm is inside the potato, nothing can kill it, not even chemicals. If there are a lot of moths, they can destroy an entire harvest in store...