Tài nguyên được gắn thẻ với: Earthworms
20 đề mục được tìm thấy (Hiển thị 1 - 10) Tiếp theo
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02-01-2021 129 pp. : charts, ill. This book is a concise and well-illustrated treatment of the conventional knowledge and modern utilities of earthworms. The first two chapters deal with earthworm morphology, food relationship, behavior, functional role, interaction with soil biota, and the influence of...
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19-10-1994 Recovery of city waste Earthworms as credit Organic wastes hijacked Recycle or pollute Micro-organisms Recycling urban night soil Modified anaerobic composting Drawing bioresource flows
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Tài Nguyên Chính 01-01-1975 This complete and informative text tells exactly how to get started in in the vermiculture business.
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06-01-1980 Since 1973, Storey's Country Wisdom Bulletins have offered practical, hands-on instructions designed to help readers master dozens of country living skills quickly and easily. There are now more than 170 titles in this series, and their remarkable popularity reflects the common desire of country...
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01-01-1977 Covers new methods of putting worms to work for man.
- Organisms interact and establish themselves in the ecosystem through population. Population is the assemblage of individuals belonging to a particular species. Population biology provides the first basic information about any species and is regulated by both abiotic and biotic factors. Earthworms...
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01-08-2003 This NC State Extension publication by Rhonda Sherman is geared primarily at commercial production but the sections on earthworm biology and earthworm pests will be of interest to anyone with a worm bin. 26 pages Publication no. EBAE 103-83
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Processes The worms are harvested using several different methods. Organic material (grass, etc.) can be layed on the ground and the worms come out of the ground and lay under the organic material which can then be rotated and the worms can be collected. Soil that are rich in worms can be...
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The worms are harvested using several different methods. Organic material (grass, etc.) can be layed on the ground and the worms come out of the ground and lay under the organic material which can then be rotated and the worms can be collected. Soil that are rich in worms can be screened to...
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This book is a guide that any child in any grade can use to explore the amazing world of earthworms. It is filled with integrated hands-on, hearts-on activities and projects that will challenge children to solve real-life problems through critical and creative thinking.