搜索结果: 1-13 共查到“作物栽培学 Productivity”相关记录13条 . 查询时间(0.078 秒)
Assessment of maize and dry bean productivity under different intercrop systems and fertilization regimes
Fertilizer application food security intercrop
2011/1/11
The productivity of different maize-dry bean intercrop systems (single and double rows of dry bean planted between two maize rows at low and high bean population) was assessed in 2006/07-08 seasons at...
Study on Applicability of Nitrogen-Deep Placement Culture from the View Point of Productivity of Various Rice Cultivars in Warmer Area
Indica Japonica Japonica-indica hybrid Nitrogen-deep placement Rice Sink-source ratio
2009/8/5
An applicability of nitrogen-deep placement culture (NDPC) in warmer area suffered from poor number of spikelets and low sink-source ratio, and responsibilities of NDPC for not only japonica rice cult...
More Rice,Less Water—Integrated Approaches for Increasing Water Productivity in Irrigated Rice-Based Systems in Asia—
Environment Food security Irrigation Sustainability Water management Water saving
2009/7/24
The water crisis is threatening the sustainability of the irrigated rice system and food security in Asia. Our challenge is to develop novel technologies and production systems that allow rice product...
Increasing Water Productivity in Rice-Based Systems in Asia–Past Trends,Current Problems,and Future Prospects
Direct seeding Pump irrigation Virtual water Water productivity Water rights
2009/7/24
Rice is the largest user of water in Asia, probably accounting for more than half of irrigation water withdrawals. Two key trends in the Asian rice economy that may be affecting water productivity are...
Comparison of Productivity and Growth Habit between Stored and Newly Harvested Rice Seeds, and Identification of the Cultivars of Stored Rice Seed by RAPD Method
Growth habit Identification Productivity RAPD Rice Stored seed
2009/7/15
The growth habits and paroductivity of stored (5°C, 40% relative humidity) rice seeds with a 90% or higher germination percentage were examined in comparison with those of newly harvested seeds (new s...
Present situation and several ways to improve productivity in Chinese yam(Dioscorea opposita Thunb.)cultivation
Present situation productivity Chinese yam
2009/7/15
Present situation and several ways to improve productivity in Chinese yam(Dioscorea opposita Thunb.)cultivation.
An eco-physiological approach for crop creation:understanding crop productivity using QTL analysis
eco-physiological approach crop creation QTL analysis
2009/7/14
An eco-physiological approach for crop creation:understanding crop productivity using QTL analysis.
Comprehensive Evaluation of Productivity and Environmental Loads in a Paddy Field Under Different Fertilized Conditions
Comprehensive evaluation environmental load
2010/12/2
The effect of fertilized conditions on environmental loads of methane emissions and water quality in a paddy field and the yield of rice were comprehensively evaluated. The experimental plots were no-...
Acclimation of Biomass Productivity to Light Intensity in Napiergrass（Pennisetum purpureum Schumach.）Plant
acclimation dry matter distribution LA maize napiergrass shade
2009/3/12
Light intensity strongly regulates plant biomass production through the utilization of light energy for photosynthesis. To examine the characteristics of biomass productivity acclimated to light inte...
Tillage system and genotype effects on rainfed maize（Zea mays L.）productivity in semi-arid Zimbabwe
Tillage hybrid open-pollinated yield rainfall use efficiency cropping season
2009/3/4
Maize is the staple crop that is grown under rainfed conditions by smallholder farmers in most of Sub-Saharan Africa. A study was conducted during the 2002/3 and 2003/4 cropping seasons at a sem...
Comparison of biological characteristics and productivity of introduced cultivars of asparagus (Asparagus officinalis L.)
biological characteristics introduced cultivars asparagus
2010/1/18
Comparison of biological characteristics and productivity of introduced cultivars of asparagus (Asparagus officinalis L.).
Studies on Plant Population and Stand Establishment Techniques for Increasing Productivity of Rice in Dera Ismail Khan, Pakistan
rice plant population planting techniques grain yield leaf area index
2008/12/11
Rice production in Pakistan is constraint by many factors pertaining to prevalent planting techniques. A research on the feasibility of new planting techniques (direct seeding on flat, transplanting o...
Crop and soil specific N and P efficiency and productivity in Finland
productivity fertilization wheat barley oats
2010/8/11
This paper estimates a stochastic production frontier based on experimental data of cereals production in Finland over the period 1977-1994. The estimates of the production frontier are used to analyz...