搜索结果: 1-8 共查到“农艺学其他学科 EFFICIENCY”相关记录8条 . 查询时间(0.053 秒)
Cereal-forage crop rotations and irrigation treatment effect on water use efficiency and crops sustainability in Mediterranean environment
Alfalfa Binary Mixture Durum Wheat lrrigation
2013/2/27
Agricultural systems based on crop rotations favour sustainability of cultivation and productivity of the crops. Wheat-forage crops rotations (annual winter binary mixture and perennial alfalfa meadow...
Assessing the efficiency of hazelnut production
Data envelopment analysis technical efficiency hazelnut
2010/9/10
This study investigates production efficiency of hazelnut farmers located in the Carsamba Plain, Samsun-Turkey. A sample of 78 farmers was selected by a two-stage sampling process. Data Envelopment An...
Effect of Indigenous Nitrogen Supply of Soil on the Grain Yield and Fertilizer-N Use Efficiency in Rice
soil indigenous nitrogen supply soil fertility rice yield fertilizer use efficiency nitrogen
2009/1/7
The effects of application of N fertilizer on wheat on the grain yield and N use efficiency (FNUE) of rice in the wheat-rice rotation system, as well as on the soil fertility were studies. N-fertilize...
Relation of Root Growth of Rice Seedling with Nutrition and Water Use Efficiency Under Different Water Supply Conditions
rice (Oryza sativa) water use efficiency water supply root parameters nitrogen phosphorous pot
2009/1/7
Water deficiency is one of the primary yield-limiting factors in rice. In plants, the nutrition and water use efficiency depend on root growth efficiency under different water supply conditions (WSC)....
Effects of Non-flooded Cultivation with Straw Mulching on Rice Agronomic Traits and Water Use Efficiency
rice non-flooded cultivation straw mulching water use efficiency irrigation water use efficiency
2009/1/7
A field experiment was conducted to study water use efficiency and agronomic traits in rice cultivated in flooded soil and non-flooded soils with and without straw mulching. The total amount of water ...
DETERMINANTS OF YAM PRODUCTION AND ECONOMIC EFFICIENCY AMONG SMALL-HOLDER FARMERS IN SOUTHEASTERN NIGERIA
frontier model economic effi ciency socio-economic
2010/12/2
The determinants of yam production in Southeastern Nigeria were investigated using a stochastic frontier production function, which incorporates a model of ineffi ciency effects. Farm-level data were ...
TECHNICAL EFFICIENCY OF FAMILY POULTRY PRODUCTION IN NIGER-DELTA, NIGERIA
EFFICIENCY FAMILY POULTRY PRODUCTION
2010/12/1
This study assessed the technical effi ciency of family poultry production in Niger- Delta, Nigeria. The technical effi ciency estimate shows that the technical effi ciency of family poultry ranges be...
THE INFLUENCE OF MINIMUM TILLAGE SYSTEMS UPON THE SOIL PROPERTIES, YIELD AND ENERGY EFFICIENCY IN SOME ARABLE CROPS
minimum tillage yield energy efficiency
2010/12/1
The paper presents the influence of the conventional ploughing tillage technology in comparison with the minimum tillage, upon the soil properties, weed control, yield and energy efficiency in the cas...