搜索结果: 1-15 共查到“作物耕作学 production”相关记录32条 . 查询时间(0.312 秒)
《Patterns of varietal adoption and economics of rice production in Asia》（图）
Patterns of varietal adoption and economics of rice production in Asia H. Wang, S. Pandey O. Velarde B. Hardy
2013/11/20
One of the major projects being implemented by the International Rice Research Institute (IRRI), in partnership with the Chinese Academy of Agricultural Sciences (CAAS), concerns developing "Green Sup...
Complementary effects of organic and mineral fertilizers on maize production in the smallholder farms of Meru South District, Kenya
Soil Fertility Organic Carbon Total Nitrogen Benefit Cost Ratio
2013/2/28
Low soil fertility is a major constraint to maize production in the small holder farms of Meru South District. This is mainly attributed to the mining of nutrients due to cropping without external add...
Influence of component crop densities and planting patterns on maize production in dry land maize/cowpea intercropping systems
Planting density planting patterns plant growth
2011/1/11
An experiment was conducted to test the effect of four plant densities (10, 20, 30 and 40,000 plants ha-1) and four planting patterns (1rowM:1rowC, 1rowM:2rowsC, 2rowsM:2rowsC and 2rowsM:4rowsC) on th...
Contribution of savings and credit cooperatives to food crop production in Swaziland: A case study of smallholder farmers
Smallholder farmers savings and credit cooperatives contribution food crop production
2011/1/13
Using primary data collected in Ludzeludze and Bhekinkhosi/Mliba RDAs from 80 smallholder farmers in the 2008 cropping season, the study used a Cobb-Douglas production function model to analyze the co...
Economics of scale and cost efficiency in small scale maize production in Mubi North Local Government in Adamawa State, Nigeria
Economics of scale stochastic frontier cost function
2011/1/12
This study presents economics of scale and cost efficiency of small scale production of maize in Mubi North Local Government in Adamawa state, Nigeria. A multi stage sampling techniques was used to se...
Optimum tillage system for pepper production in an alfisol of South-western Nigeria
Tillage compaction pepper alfisol soil porosity
2011/1/12
Optimum soil tillage for different crops in different regions needs be established for good yield. For pepper production on an alfisol with soil texture on the surface soil, this paper investigated th...
Energy consumption in production of grains prevalent in Saveh, Iran
Energy consumption production agricultural machinery
2011/1/12
This paper examines the energy consumption of wheat, barley and maize production in Iran (Saveh area). This study was conducted over 28,400 ha of irrigated wheat, barley and maize fields and 19,300 ha...
Child labor under the worst conditions: Child laborers in cotton production in Turkey
Agricultural Labor child labor child labor in agriculture
2011/1/11
As is the case throughout the world, child labor is a serious problem in Turkey. Healthy and happy new generations are among the prerequisites of a modern society. Among child laborers those in the ag...
Assessment of machinery energy ratio in potato production by means of Artificial Neural Network
Potato agricultural mechanization machinery energy ratio Artificial Neural Network
2011/1/11
A single hidden layer Artificial Neural Network (ANN) model was developed to estimate a machinery energy ratio (MER) indicator, used to characterize and assess mechanization status of potato farms in ...
Revision of the Nerlovian partial adjustment framework and its application to sorghum production in Nigeria
Nerlovian partial adjustment framework quasi-Newton iteration technique
2011/1/10
An attempt was made in this paper to show how varying coefficients of adjustment might be incorporated into the Nerlovian partial adjustment framework and the resulting model applied to sorghum produc...
Effect of Sowing Time on Dry Matter Production and Seed Production of Soybean
Dry matter production Ecotype Growth analysis Seed production Sowing time
2009/8/6
The effects of three sowing times, from May 30 to July 20, on growth, dry matter production and seed production, were investigated in 1982 and 1983 using two soybean ecotypic cultivars, autumn and med...
Seasonal Changes in Distribution of Intercepted Photosynthetically Active Radiation for Layer and Dry Matter Production in Spring Wheat Canopy
Efficiency of dry matter accumulation Crop growth rate Photosynthetically active radiation Slope of flag leaf Spring wheat
2009/8/4
In order to understand the relationship between solar radiation and biomass production within crop canopies, penetration, reflection, and interception of photosynthetically active radiation (PAR) were...
Chanenges to the Direct Sowing System of Paddy Rice Production in Hokkaido
Direct Sowing System Paddy Rice Production Hokkaido
2009/7/31
Chanenges to the Direct Sowing System of Paddy Rice Production in Hokkaido.
Effects of Pre-Flowering Soil Moisture Deficits on Dry Matter Production and Ecophysiological Characteristics in Soybean Plants under Drought Conditions during Grain Filling
Dry matter production Photosynthesis Root system development Senescence
2009/7/31
Summer crop plants grown in rain-fed fields suffer from drought during a hot and relatively dry summer after the rainy season called "Baiu" in Japan. Since crop plants might develop vigorous shoots wi...
Effects of Plant Growth Regulators and Fertilization on Dry Matter Production of Green Panic (Panicum maximum Jacq. var. trichoglume Eyles)
Compensatory growth Dry matter production Fertilization Green panic Plant growth regulator
2009/7/31
The effects of applications of plant growth regulators and additional fertilizer on dry matter production of green panic (Panicum maximum Jacq. var. trichoglume Eyles), cv. Petrie were investigated fo...
