» Từ khóa: nông nghiệp

In the Third Edition, the author have updated and expanded Exploring Agriculture. Although intended primarily for the study of general agriculture, this book is also a reliable source of information for anyone who wants to know more about farm life.

 6 p hcmute 25/08/2020 373 1 Download

Từ khóa: Agriculture -- Research, Nông nghiệp -- Nghiên Cứu

Lists U.S. institutions and organizations that offer undergraduate and graduate programs, research opportunities, or training in organic, alternative, or sustainable agriculture. Identifies student farms and research and demonstration farms.

 8 p hcmute 25/08/2020 393 1 Download

Từ khóa: Agriculture -- Study and teaching, Nông nghiệp

This book presents the subject of farm machinery from the engineering viewpoint, emphasizing functional requirements and principles of operation for the basic types of field machines. Methods for testing or evaluating the performance of certain types of field machinery are included in the appropriate chapters. Contents: Abbreviations; Research and Development in Farm Machinery; Field Capacities and Cost Analysis; Materials of Construction;...

 7 p hcmute 25/08/2020 542 1 Download

Từ khóa: Agricultural machinery, Cơ khí nông nghiệp

Paperback : 114 pages ISBN-10 : 1258442884 ISBN-13 : 978-1258442880 Publisher : Literary Licensing, LLC (July 21 2012) Product Dimensions : 17.8 x 0.61 x 25.4 cm Item Weight : 213 g Language: : English

 7 p hcmute 25/08/2020 403 1 Download

Từ khóa: Agricultural machinery, Cơ khí nông nghiệp, Farms.

Paperback : 114 pages ISBN-10 : 1258442884 ISBN-13 : 978-1258442880 Publisher : Literary Licensing, LLC (July 21 2012) Product Dimensions : 17.8 x 0.61 x 25.4 cm Item Weight : 213 g Language: : English

 6 p hcmute 25/08/2020 435 1 Download

Từ khóa: Agricultural machinery, Cơ khí nông nghiệp, Farms

A brief history of engines; Engine operating principles; Identification and function of engine parts; Fundamentals of engines; Fuels and principles of combustion; Fuel systems; Intake and exhaust systems; Valves; Controlling engine speed - the governor; Igniting the fuel charge; Electrial accessories; Diesel engines; Cooling the engine; Lubricating oils and greases; Lubricating systems; Tractor types and trends; Clutches, transmission,...

 8 p hcmute 25/08/2020 433 1 Download

Từ khóa: Agricultural machinery, Cơ khí nông nghiệp, Máy cày

Crop production equipment; Soil and water conservation; Farmstead structures and equipment; Basic agricultural data.

 9 p hcmute 25/08/2020 431 1 Download

Từ khóa: Agricultural machinery, Cơ khí nông nghiệp

The Interstate Printers & Publishers. Hardcover. Condition: Fair. A readable copy. All pages are intact, and the cover is intact. Pages can include considerable notes-in pen or highlighter-but the notes cannot obscure the text. At ThriftBooks, our motto is: Read More, Spend Less.

 9 p hcmute 25/08/2020 407 1 Download

Từ khóa: Cơ khí nông nghiệp, Xưởng nông cụ

Environmentally Sustainable Development Studies and Monograph Series No. 17. A 1995 publication from the World Bank, Monitoring Environmental Progress: A Report on Work in Progress, generated great interest in the use of indicators to measure the pace and direction of change in environmentally sustainable development. In particular, the attempts to define what it means to be wealthy or poor by recognizing that a countrys wealth is the...

 8 p hcmute 25/08/2020 450 1 Download

Từ khóa: Agricultural development projects -- Evaluation, Nông nghiệp -- Nghiên cứu và phát triển

Các thiết bị cảm biến được kết nối và điều khiển tự động trong suốt quá trình nuôi trồng giúp ứng phó với biến đổi khí hậu, tác động đến sự sinh trưởng và phát triển của cây như nhiệt độ, độ ẩm, ánh sáng… Nhờ vào kết nối Internet, ta có thể giám sát và điều khiển từ xa qua chế độ tự động hoặc thủ công. Mọi thông số giá...

 22 p hcmute 17/08/2020 625 3 Download

Từ khóa: Ứng dụng công nghệ iot vào hệ thống trồng trọt trong nông nghiệp, NGUYỄN HẢI BẰNG

This is a book on forest entomology and not on forest insects. The insect species that are discussed are selected to illustrate principles and control practices. Other species might have served equally vell for these purposes, and in using this book for a text the teacher may prefer to substitute some other species.

 9 p hcmute 30/07/2020 341 1 Download

Từ khóa: Côn trùng học, Côn trùng nông nghiệp, Entomology, Forest entomology

The present book is therefore offered as a classroom text for an introductory course in the subject, which shall give a general idea of insects, their structure, life histories and habits, with methods for the control of insect pests in general.

 6 p hcmute 30/07/2020 336 1 Download

Từ khóa: Côn trùng học, Côn trùng nông nghiệp, Entomology