搜索结果: 1-5 共查到“农业生态学 problems”相关记录5条 . 查询时间(0.08 秒)
Cereals production in Nigeria: Problems, constraints and opportunities for betterment
Nigeria cereals production problems
2011/1/11
Nigeria agriculture is characterized by small holdings, low capitalization and low yield per unit of land. Cereal crops are the major dietary energy supplier all over the world and particularly in Nig...
Problems in large scale upland agriculture of Hokakaido in the twenty-first century
large scale upland agriculture Hokakaido twenty-first century
2009/7/14
Problems in large scale upland agriculture of Hokakaido in the twenty-first century.
Problems of development of bio-energetics in the Russian Federation
bio-energetics the Russian Federation
2010/1/18
Problems of development of bio-energetics in the Russian Federation.
PROBLEMS AND SOLUTIONS OF FIELD SCALE AGRO-ECOLOGICAL DATA ACQUISITION AND DATA INTERPRETATIONS IN AGROINFORMATICAL DOMAIN
problems and solutions of field scale Role of agro-ecological data data interpretations
2010/3/23
PROBLEMS AND SOLUTIONS OF FIELD SCALE AGRO-ECOLOGICAL DATA ACQUISITION AND DATA INTERPRETATIONS IN AGROINFORMATICAL DOMAIN.
OCCUPATIONAL HEALTH PROBLEMS ASSOCIATED WITH INCREASED RECYCLING OF HOUSEHOLD WASTE
household waste recycling plant waste sorting
2010/12/27
Since the mid-eighties, Denmark has experienced many and serious working environment problems related to recycling activities. The many activities initiated in order to increase the level of recycling...