搜索结果: 1-7 共查到“农学 Management Systems”相关记录7条 . 查询时间(0.046 秒)
Long-term effects of management systems on crop yield and soil physical properties of semi-arid tropics of Vertisols
Broadbed and Furrow System Minimum Tillage Long-Term Experiment Sustainability
2013/3/5
Long-term experiments can be used to assess management induced changes in soil properties and sustainability of the management system in terms of the productivity. Such data are scanty, especially in ...
Comparisons of alternative feedlot runoff management systems
Agricultural runoff vegetative treatment systems storage pond
2011/1/10
Two vegetative treatment and containment systems were designed in Oliver and Dunn Counties of North Dakota, USA. The results showed that unit costs for the systems designed in Oliver County were 8.83 ...
Influence of management systems and sex on haematology of West African dwarf goat
Goat haematology management sex
2010/9/14
This study was conducted to know the effect of management practices and sex on the hematological parameters of the West African Dwarf (WAD) goat. Hematological values of this breed of goat were evalua...
Soil Management Systems Improve Water Use Efficiency of Rainfed Rice in the Semi-Arid Tropics of Southern Lombok,Eastern Indonesia
Evaporation Paddy Precipitation Water requirement
2009/7/24
Rice (Oryza sativa) grown on rainfed Vertisols in the semi-arid tropics of southern Lombok, Eastern Indonesia, is usually flooded in the short wet season, creating a considerable demand for water. How...
To the desirable vegetation management systems from weed control tactics
desirable vegetation management systems weed control tactics
2009/3/10
To the desirable vegetation management systems from weed control tactics.
INVESTMENT IN COCOA PRODUCTION IN NIGERIA: A COST AND RETURN ANALYSIS OF THREE COCOA PRODUCTION MANAGEMENT SYSTEMS IN THE CROSS RIVER STATE COCOA BELT
investment decision management system return
2010/12/3
The study examined costs and returns in cocoa production in Cross River State in the context of three identified management systems of cocoa production in the area, namely owner-managed, lease-managed...
The effect of agricultural management systems on the weed incidence in cereals
agricultural management systems the weed incidence cereals
2010/1/14
The effect of agricultural management systems on the weed incidence in cereals.