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The main authors (both of Cornell U., one as a professor of ecology and agricultural science and the other as a senior lecturer in the Division of Nutritional Sciences, College of Human Ecology) and t

“讀故事，學英文”是專門寫給中國小讀者的一套英語學習書，適合小學高年級學生及初中生使用。《讀故事學英文（1）：河馬醫生》包括30篇題材豐富的故事，語言地道，內容有趣，注重認知能力和語言水平同步培養，兼顧文化背景知識，貼近中國小讀者的生活體驗。 書中每篇英文故事均配有中文譯文和外教的錄音，還有相應的語法講解、知識拓展、遊戲測驗。 本系列既配有MP3光盤，又可使用外研社點讀筆點讀。

“讀故事，學英文”是專門寫給中國小讀者的一套英語學習書，適合小學高年級學生及初中生使用。《讀故事學英文（2）：森林中的小樹》包括30篇題材豐富的故事，語言地道，內容有趣，注重認知能力和語言水平同步培養，兼顧文化背景知識，貼近中國小讀者的生活體驗。 書中每篇英文故事均配有中文譯文和外教的錄音，還有相應的語法講解、知識拓展、遊戲測驗。 本系列既配有MP3光盤，又可使用外研社點讀筆點讀。

Land degradation from soil erosion has been considered by many to be a problem of significant proportion, affecting some 30–50% of the earth's land surface. At the time of the first publication of this book in 1993, estimates indicated that 10–15 million hectares of land were being lost each year through erosion and salinisation from irrigation and that at such a rate of loss, topsoil reserves on most sloping lands would be depleted within two hundred years. Since humankind's dependency on the land for food is almost total, soil erosion represents a real threat to the security of our food supply. The need for the immediate conservation of the world's soil resources is therefore clear. As part of the response to this need, the International Union for the Conservation of Nature's Commission on Ecology convened a special working group to consider the problem of world soil erosion and to propose practical solutions for soil conservation. This important book presents the outcome of their wo

The aim of this volume is to collect and present available data, both published and unpublished, on energy use in agriculture and forestry production. Energy analyses for some sciences such as ecology

With shortages of fossil energy, especially oil and natural gas, and heavy biomass energy use occurring in both developed and developing countries, a major focus has developed worldwide on renewable

Biofuels and food are dependent on the same resources for production: land, water, and energy. The conjuncture of food, energy, and climate crises demands a new direction in how to harness agriculture

"A revised, expanded, and updated second version to the successful Biological Invasions: Economic and Environmental Costs of Alien Plant, Animal, and Microbe Species, this reference discusses how non-

Chemical pesticides continue as a point of major controversy in our society. Increasingly stringent regulatory actions on the part of state and federal agencies, exemplified by the RPAR (Rebuttable Pr

The book deals with the present state and problems of integrated pest management as relating to stakeholder acceptance of IPM and how integrated pest management can become a sustainable practice. The

The book deals with the present state and problems of integrated pest management (IPM) as relating to stakeholder acceptance of IPM and how IPM can become a sustainable practice. The book covers the i

The book deals with the present state and problems of integrated pest management as relating to stakeholder acceptance of IPM and how integrated pest management can become a sustainable practice. The

Ecological engineering is the process of manipulating farm habitats for the purposes of maintaining or increasing food production, restoring wetlands and other ecosystems, and conserving resources suc