搜索结果: 1-15 共查到“农学总论 Productivity”相关记录16条 . 查询时间(0.14 秒)
R&D Investments, technology spillovers and agricultural productivity, case of the Czech Republic
agricultural research co-integration analysis
2015/7/28
Th e objective of the paper is to quantify the eff ect of the R&D investments on agricultural productivity in the
Czech Republic using the co-integration analysis. Th e eff ect of the R&...
EVALUATIONS ON THE POTENTIAL PRODUCTIVITY OF WINTER WHEAT BASED ON AGRO-ECOLOGICAL ZONE IN THE WORLD
Evaluation Potential productivity Winter Wheat
2015/5/6
Wheat is the most widely grown crop globally and an essential source of calories in human diets. Maintaining and increasing global wheat production is therefore strongly linked to food security
Effects of integrated nitrogen fertilization and irrigation systems, rootstocks, and cultivars on productivity, water and nitrogen consumption, and mineral nutrition of pear
N Fertigation Drip Irrigation Irrigation Water Consumption
2013/2/28
Water and nitrogen (N) management are key factors for sustainable pear production in many areas. Effects of integrated N fertilization and irrigation systems, rootstocks, and cultivars on pear (Pyrus ...
Credit supply;farmers group;productivity;revenue;regression analysis
Credit supply；farmers group；productivity；revenue；regression analysis
2011/1/12
Lending to small-scale farmers has been an important policy measure to stimulate agricultural development in Nigeria. In Adamawa state, small-scale farmers constitute the larger percentage of farmers ...
Physiological and Biochemical Effects of Some Bioregulators on Growth, Productivity and Quality of Artichoke (Cynara Scolymus L.) Plant
Physiological Biochemical Effects Bioregulators Growth Productivity Quality Artichoke Plant
2010/12/16
Physiological and Biochemical Effects of Some Bioregulators on Growth, Productivity
and Quality of Artichoke (Cynara Scolymus L.) Plant。
The impact of trade liberalisation on South African agricultural productivity
Total factor producitvity (TFP) ordinary least square (OLS)
2011/1/11
This study attempts to examine the empirical relationship between trade and total factor producitvity (TFP) in the agricultural sector using both cross -sectional (across nine agricultural commodities...
Economic assessment of fertilizer use and integrated practices for environmental sustainability and agricultural productivity in Sudan savannah zone, Nigeria
Organic inorganic fertilizer nutrient loss environmental exploitation degradation
2011/1/10
An assessment of fertilizer use and other integrated practices was carried out with two hundred farmers selected by stratified random sampling from twenty villages in Kano and Katsina States of Nigeri...
VASCULAR PLANT SPECIES RELATIONSHIP AND GRASSLAND PRODUCTIVITY IN ARNICA MONTANA HABITATS IN THE LIMESTONE AREA OF GÂRDA DE SUS VILLAGE (APUSENI MOUNTAINS – ROMANIA)
mountain grasslands Arnica montana medicinal plant
2010/12/8
The Apuseni Mountains region (Romania) holds one of the most important romanian grassland areas with the medicinal species protected over Europe – Arnica montana. Following several studies on vegetati...
Effect of Farmyard Manure Combined with Some Phosphate Sources on the Productivity of Canola Plants Grown on a Sandy Soil
Canola plants farmyard manure phosphate sources and phosphate dissolving bacteria
2010/11/15
A field experiment was carried out at Ismailia Agriculture Research Station during 2008 to
study the effect of phosphate derived from either superphosphate fertilizer or phosphate ore individually an...
Impact of rural development projects on agricultural productivity in selected regions of Benin
Productivity rural projects impact Benin
2010/9/14
In this study, data collected from 120 rural households located in two distinct socio-cultural locales of Benin was used to assess the impact of 20 development projects on agricultural productivity. A...
Evaluation of Spearmint (Mentha Spicata L.) Productivity Grown in Different Locations under Upper Egypt Conditions
Spearmint Essential oil Chemical composition location
2010/11/12
The productivity of Mentha spicata of fresh, dry herb and its volatile oil were determined in
four locations in upper Egypt (Beni-Suef, Sohag, Qena and Aswan Governorates).The productivity of fresh h...
Analysis of extension activities on farmers’ productivity in Southwest, Nigeria
Analysis Extension farmers productivity
2009/3/4
This study was conducted to analyze extension activities on farmers’ productivity in South West Nigeria. The main objective was to investigate influences of extension contact on adoption level, sust...
Forwarders are common machines in the cut to length harvesting system. A general regression model for predicting the time of forwarding was developed using 82 working cycles of two kinds of machines i...
The Efficiency of Resource Allocation and Productivity in the Agricultural Farms in Kazova Region of Tokat Province
Resource Allocation Productivity Agricultural Farms Kazova Region Tokat Province
2009/1/15
This study covers agricultural farms in Kazova area of Tokat province. The main material of the study was the data obtained from 134 farms by survey in period of 1994- 1995. In the study, translog pro...
Enhancing Growth, Productivity and Quality of Squash Plants Using Phosphate Dissolving Microorganisms (Bio phos-phor®) Combined with Boron Foliar Spray
Biofertilizers mycorrhizae P. polymyxa B. megaterium var phosphaticum (Bio phos-phor® ) boron squash
2010/11/10
This research paper deals with one of clay soils considering the benefits of using bio dissolving microorganisms of phosphor. Also these microorganisms could improve plant assimilation through releasi...