搜索结果: 1-13 共查到“知识库 Water-saving”相关记录13条 . 查询时间(0.078 秒)
Improving the water productivity of paddy rice (Oryza sativa L.) cultivation through water saving irrigation treatments
Pot Experiments Water Management Wetting and Drying
2013/3/5
Rice grows well under certain condition and environment including soil, water and nutrients. Some researches have shown that traditional method with continues flooding need tremendeous amount of water...
国外节水灌溉工程技术发展分析（Overseas Development of Water-saving Irrigation Engineering Technology）
节水灌溉 排灌机械 综述
2010/12/29
提出实行一条开源节流的技术路线，把节水灌溉作为一项系统工程来考虑。节水灌溉系统工程是由规划设计、产品制造、农艺知识、使用维护、服务管理等技术进行综合、集成、组装而成的农业高效用水系统工程。阐述了组成该系统工程的供水、输水和配水3部分的新技术，以及在21世纪的发展趋势，同时指出要从节水灌溉系统工程的高度上来观察、分析和解决问题。
Energy and water saving by using modified closed circuits of drip irrigation system
Drip Irrigation Closed Circuits Energy Use Efficiency
2013/3/5
The aim of this research was determine the en- ergy and water use efficiencies under the modification of closed circuit drip irrigation systems designs. Field experiments carried out on transgenic mai...
Flood Reduction Function of Paddy Rice Fields under Different Water Saving Irrigation Techniques
Flood Reduction Function Water Saving Irrigation Paddy Field
2013/3/20
This study is conducted to investigate the function of paddy fields for flood reduction under different water saving irrigation techniques. A daily water balance component data including rainfall, per...
Growth and Yield of Six Rice Cultivars under Three Water-saving Cultivations
Grain yield Lowland rice Upland rice Water productivity Water-saving cultivation
2010/3/4
We evaluated the genotypic differences in growth, grain yield, and water productivity of six rice (Oryza sativa L.) cultivars from different agricultural ecotypes under four cultivation conditions: co...
Effects of Water-Saving Irrigation and Nitrogen Fertilization on Yield and Yield Components of Rice (Oryza sativa L.)
Nitrogen application Rice Sprinkler intermittent irrigation Water use efficiency
2009/7/29
The effects of nitrogen (N) application (32, 72 and 112 kg N ha-1 in 2000, and 32, 92 and 152 kg N ha-1 in 2001) and water-saving irrigation and their interaction on grain yield and yield components o...
Water Saving by Shallow Intermittent Irrigation and Growth of Rice
Rice growth Water management Water productivity Water saving ratio
2009/7/24
To reduce water requirement and improve water productivity (the grain yield per unit volume of water irrigated) by water-saving irrigation techniques, we examined the effects of very shallow intermitt...
Water Saving in Rice-Wheat Systems
Evaporation Deep drainage Irrigation Percolation Water use efficiency
2009/7/24
Water shortage is a major constraint to sustaining and increasing the productivity of rice-wheat systems. Saving water can be elusive in that reducing seepage, percolation and runoff losses from field...
Evaluation of Water-Saving Rice-Winter Crop Rotation System in a Suburb of Tokyo
Rice-based cropping system Urban agriculture Water-saving Winter crops
2009/7/23
Water-saving rice-winter crop rotation systems were repeated for 4 cycles from 2000 to 2004 in an urban area, Nishitokyo, Japan, to assess the effects of water-saving (i.e. non-flooded vs. flooded) on...
基于Bayes方法的节水灌溉产品质量抽样检验方案研究（Study and Application on Sampling Test Plan of Water-saving Irrigation Products Based on Bayes Method）
节水灌溉 产品质量 抽样检验 Bayes方法
2010/4/1
利用节水灌溉产品质量抽样检验先期数据和经验，构建基于Bayes方法的节水灌溉产品质量抽样检验方案，利用该方案对塑料管材和滴灌灌水器以及旋转式喷头进行产品质量检验的新样本抽样。结果表明，产品检验样本量降低率E主要与先验产品合格率方差S2R和先验产品合格率均值Ra有关，对小于1200的常用产品批量，S2R=0.002和Ra=0.95下的塑料管材和滴灌灌水器以及旋转式喷头的产品检验样本量降低率分别高于6...
Water saving through international trade of agricultural products
Water saving international trade agricultural products
2009/5/13
Many nations save domestic water resources by importing water-intensive products and exporting commodities that are less water intensive. National water saving through the import of a product can impl...
Use of tree leaf as mulch comparing with conventional mulch for irrigation water saving in tomato production
Senna siamea leaf rice straw cumulative pan evaporation (CPE) tomato yield fruit quality
2009/3/12
Tomato is cultivated during the dry winter season in Bangladesh with scarce rainfall. Poor farmers can not afford enough money to apply irrigation as well as other costly inputs. Conventionally, rice...
Sprinkler Irrigation as an Energy and Water Saving Approach to Rice Production and Management of Riceland Pests
Sprinkler Irrigation Energy Water Saving Approach Rice Production Management Riceland Pests
2013/9/11
Rice is currently produced on approximately 400,000 acres in the Texas Coastal Prairie. This rice consumes 1.8 million acre-feet of water a year or 13 percent of Texas' renewable water resources. The ...