搜索结果: 1-15 共查到“作物耕作学 maize”相关记录21条 . 查询时间(0.109 秒)
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...
Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
Nitrogen-Modelling-Planting Basins-Semi Arid-Variable Rainfall-Zimbabwe
2013/3/4
Rainfed smallholder agriculture in semi-arid environments of sub-Saharan Africa faces many challenges. Productivity of the smallholder agricultural systems has been on the decline in recent years. Con...
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...
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...
Effect of crop rotation and nitrogen fertilization on yield and nitrogen efficiency in maize in the northern Guinea savanna of Nigeria
Fallow grain legumes maize N uptake N use efficiency N fertilizer recovery efficiency
2010/9/13
Two crop rotation cycles were evaluated to determine the effect of cropping systems and N fertilization on the yield and efficiency of N in maize. Maize was grown on plots which had previously support...
Studies on Planting Patterns of Maize (Zea Mays L.) Facilitating Legumes Intercropping
Zea mays soybeans mung beans spacing intercropping Pakistan
2009/9/29
Effect of planting patterns and intercropping of legumes in maize was studied at
Agronomic Research Area, University of Agriculture, Faisalabad on a sandy clay loam
soil during autumn 2004. The plan...
Brassinolide and Salicylic Acid Induced Growth, Biochemical Activities and Productivity of Maize Plants Grown under Salt Stress
Brassinolide salicylic acid salinity maize growth metabolic activity and productivity
2010/11/12
Application by bioregulators brassinolide (BR) and salicylic acid (SA) as seed soaking and
foliar spraying alleviate the harmful effect of NaCl stress on maize plants . In the present study, irrigati...
Comparative response of direct seeded and transplanted maize (Zea mays L.) to nitrogen fertilization at Zanyokwe irrigation scheme, Eastern Cape, South Africa
Crop stand direct seeding maize yield N rate transplanting
2010/9/10
Previous studies carried out in smallholder irrigation schemes in South Africa showed that bird damage to emerging seedlings reduced crop stand and yield of maize. Transplanting offered an opportunity...
Effects of Tillage on Along-Row Variability of Wheat and Maize Biomass
Minimum tillage Precision farming Semivariogram Spatial dependence
2009/7/29
Spatial variability of wheat and maize biomass was studied under two tillage systems, minimum tillage (MT) and conventional moldboard plowing (CT). The above-ground biomass data were collected from 10...
Effect of Gibberellin and Uniconazole on Mesocotyl Elongation of Dark-Grown Maize under Different Seeding Depths
Gibberellin Maize Mesocotyl elongation Uniconazole
2009/7/23
Seeds of five maize inbred lines, including 3681-4, were treated with gibberellin A3 (GA3) and uniconazole (UCZ) under deep seeding and shallow seeding in order to elucidate the physiological mechanis...
Effect of Reduced Tillage Relation to Arbuscular Mycorrhiza Development on the Growth of Maize and Oat in an Andosol Field in Central Japan
Arbusculer mycorrhizal fungi Oat Maize No-tillage
2009/7/8
This study was conducted to determine whether or not mycorrhizal colonization and the growth of maize and oat in andsol field are influenced by reduced tillage. Both crops were grown under four tilla...
Effects of Previous Cropping and Tillage System on Growth of Maize and Symbiotic Association with Arbusculer Mycorrhizal Fungi in Central Region of Japan
Arbusculer mycorrhizal fungi Host plant Maize Non host plant No-tillage
2009/7/8
Effects of previous crops with no-tillage on the growth of maize and symbiotic association with arbusculer mycorrhizal (AM) fungi were studied. Both the propagule density and colonization of arbuscul...
Effects of low input tillage and amaranth intercropping system on growth and yield of maize (Zea mays)
Tillage intercropping growth yield
2010/9/10
Field experiments were conducted to find out the effects of tillage practices and intercropping on the growth and yield of maize at the teaching and research farm, university of Ado Ekiti, southwest N...
EFFECT OF REDUCED TILLAGE ON YIELD, WEED INFESTATION OF MAIZE AND SOIL PROPERTIES
maize reduced tillage direct drilling weed infestation physical and chemical soil
2009/3/30
The research was conducted in 1999-2002 at the Brody Experimental Station of the Poznań Agricultural University. The aim of this study was to determine the effect of tillage systems (conventional, red...
Rainfall instability difference in the effects of planting dates on growth and yield of maize（Zea mays）in forest savannah eco-climatic zone of Nigeria
Planting dates (PD) weather parameter pattern (WPP) rainfall instability difference (RID)
2009/3/4
Rainfall instability difference in the effects of planting dates on growth and yield of maize in forest savanna eco climatic zone of Nigeria was investigated in this study to assess the reliability ...