Excerpt from The Bat Guanos of Porto Rico and Their Fertilizing Value
As the composition of guanos depends more on the leaching, etc. To which. They have been exposed than on the composition of the original substance, many of these deposits are similar to certain phosphatic guanos formed by sea birds. The individual deposits originating from sea birds, however, are much the larger, for although both birds and bats congregate in immense numbers, the birds con sume much more food.
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Seller: Forgotten Books, London, United Kingdom
Paperback. Condition: New. Print on Demand. This book by a noted expert in the field of guano studies examines the deposits of guano found in Puerto Rican caves, specifically investigating their composition, historical value, and their utility as a fertilizer. The author also delves into the broader history of guano, describing the diverse uses this substance has had across cultures, climates, and centuries. This book provides a thorough overview of the subject. This book will appeal to scholars interested in the history and development of agricultural science and farming techniques, as well as ecologists and scientists who study the environmental impact of human activities on caves and wildlife habitats. It will also hold interest for anyone curious about the historical and scientific significance of guano in human and natural history. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9780260566911_0
Quantity: Over 20 available
Seller: PBShop.store US, Wood Dale, IL, U.S.A.
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780260566911
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780260566911
Quantity: 15 available