搜索结果: 1-10 共查到“种植业经济学 economic”相关记录10条 . 查询时间(0.281 秒)
Testing the Efficacy and Economic Potential of Bollgard II under Burkina Faso Cropping Conditions
Economic Potential Bollgard II Burkina Faso Cropping Conditions
2009/4/30
Cotton production in Burkina Faso regularly suffers from significant pest damage. Conventional pest control measures have failed to adequately control the main cotton pest, Helicoverpa armigera. Burki...
Economic Analysis of Fores Enterprises by the use of the Multivariata Satististical Analysis（The Sample of 25 State Fores Enterprises in the Eastern Black Sea Region）
Economic Analysis Fores Enterprises Multivariata Satististical Analysis
2009/1/22
The national economy is consisted of several enterprises that depend on different sectors. In our country, the most impoırtant part of economic activities in forestry sector focuses on forest en...
Cotton Yield Response and Economic Implications to In-Row Subsoil Tillage and Sprinkler Irrigation
Cotton Yield Economic Implications In-Row Subsoil Tillage Sprinkler Irrigation
2008/12/15
Deep tillage at a 45° angle has been a recommended practice since the mid-1970s on most Mississippi Delta cotton soils. This practice disrupts hard pans and allows deeper wetting of the soil profile w...
Economic Analysis of Cotton Conservation Tillage Practices in the Mississippi Delta
Economic Analysis Cotton Conservation Tillage Practices Mississippi Delta
2008/12/15
Producers and conservationists are concerned about soil erosion and soil loss. Producers are also concerned about profits. Many studies have examined tillage methods as a means of conserving soil. Oth...
(Contemporary Issue) Bollgard Cotton: An Assessment of Global Economic, Environmental, and Social Benefits
(Contemporary Issue) Bollgard Cotton An Assessment Global Economic Environmental Social Benefits
2008/12/15
Insect-protected crops like Bollgard (Monsanto Company, St. Louis) Bacillus thuringiensis (Bt) cotton are bringing cotton growers new alternatives to broad-spectrum insecticide use in integrated pest ...
Irrigation Termination of Cotton: An Economic Analysis of Yield, Quality, and Market Factors
Irrigation Termination Cotton Economic Analysis Yield Quality Market Factors
2008/12/15
The decision to terminate the irrigation of cotton (Gossypium hirsutum L.) is complicated by interactions and uncertainties related to lint yield and quality, water costs, and market factors. High, me...
Plant-Based Economic Injury Level for Assessing Economic Thresholds in Early-Season Cotton
Plant-Based Economic Injury Level Assessing Economic Thresholds Early-Season Cotton
2008/12/9
The conventional economic injury level is defined as the lowest insect population density that will cause economic damage, while the economic threshold is the population level where insect control sho...
Soil- and Foliar-Applied Boron in Cotton Production: An Economic Analysis
Soil- and Foliar-Applied Boron Cotton Production Economic Analysis
2008/12/9
Boron deficiency in cotton (Gossypium hirsutum L.) may be corrected with foliar or soil B applications, but a thorough economic analysis of soilversus foliar-applied B has not been done. The objective...
Starter Fertilizer, Additives, and Growth Regulators in Cotton Production: An Economic Analysis
Starter Fertilizer Additives Growth Regulators Cotton Production Economic Analysis
2008/12/9
Data from field research conducted in 1996 and 1997 on a Loring silt loam (fine-silty, mixed, active, thermic, Oxyaquic Fragiudalf) were used for economic evaluation of plant growth regulators and fer...
Transgenic Cotton Cultivars: An Economic Comparison in Arkansas
Transgenic Cotton Cultivars Economic Comparison Arkansas
2008/12/9
The development of transgenic cotton cultivars gives cotton producers more options for controlling pests. The value of these cultivars to producers depends not only on the cost-savings that they may c...