The study has been based on both the model for rice population growth and the model for simulating population life system of lice case worm.
本研究是在水稻群体生长模型和纵卷叶螟种群生命系统模拟模型的基础上进行的。
The time of dynamic nitrogen adjustment were determined by regular patterns or by the comprehensive evaluation of soil mineral nitrogen concentration and rice population status.
氮素动态调控时期由高产栽培常用的追肥时期或根据水稻群体状况与土壤矿质态氮浓度综合判断确定，追氮量由模型计算获得。
Roughly one-half of the world's population, including virtually all of East and Southeast Asia also, is wholly dependent on rice to be its staple food.
世界上大约一半的人口，包括几乎所有的东亚和东南亚国家，都完全以大米作为主食。
As "Father of Hybrid Rice", Yuan Longping got over great difficulties and spent his whole life working to reduce world hunger and helping to feed the country with the largest population.
作为“杂交水稻之父”，袁隆平克服了巨大的困难，用其一生致力于减少世界饥饿，帮助养活了世界上人口最多的国家。
A given country might want to monitor dust storms, measure rice yields or track population migrations.
一个领先的国家需要检测沙尘暴，测量大米产量，和跟踪人口流动。
Rice University sociologist Steve Murdock says the future of Texas depends on Hispanics, because they are the fastest growing segment of the state's population.
莱斯大学社会学家史蒂夫·默多克认为，德州的未来有赖于拉美裔，因为他们是这个州人口增长最快的族裔。
Approximately one-third of Egypt's population works in agriculture, farming sugarcane, rice, and wheat in the fertile land along the Nile and in the Nile Delta.
埃及约有三分之一的人口在尼罗河沿岸和尼罗河三角洲地区务农。
For the first time since the 1960s the yields of the world's most important crops, wheat and rice, are rising more slowly than the global population (see special report).
当前是自二十世纪六十年代以来，世界上第一次出现重要农作物——小麦和大米——产量的增幅小于全球人口增长(请阅读专题报道)。
At the same time adverse and extreme weather conditions can jeopardise rice crop production, which feeds more than half the world's population.
与此同时，不利和极端的天气条件会危及稻谷这一供养着世界一半以上人口的作物的生产。
In Japan, for example, the traditional rice-based diet kept the population generally healthy and thin for many centuries.
例如，在日本，传统的主要吃米的饮食使日本人多个世纪一直普遍健康，身材苗条。
In 1941 Japanese farmers produced enough rice to give each head of population 336 grams of rice a day; by 1945 that had dropped to 234 grams.
在1941年，日本农民已经能够生产足够的大米，保证平均每个人每天336g的大米量，然而到了1945年这一数量降低到了234g。
A city of northern Egypt in the Nile River delta north of Cairo. It is a textile center with processing mills for rice and flour. Population, 362,700.
马哈拉库卜腊：埃及北部的一个城市，位于开罗以北尼罗河三角洲上，是一个纺织工业中心，并加工大米和面粉。人口362，700。
The diet of half of the world's population is based on rice.
粮食是世界上二分之一的人口赖以生存的食物。
Studied on the relationship between leaf area composition of population and photosynthetic production of rice at middle growth stage.
通过密肥试验，研究水稻生育中期群体叶面积组成与光合生产的关系。
The application and extension of rice cultivation with population quality is a vital revolution in rice production in Jiangsu province.
水稻群体质量栽培技术的推广应用，在江苏省水稻生产史上是一个突破。
The microclimate environment in population of erect panicle type and curved panicle type rice is determined.
测定了直立穗型和弯曲穗型水稻群体的小气候环境。
Some Suggestions for the pest forecast and control were also brought forward based on the characteristics of the pest population dynamics and distribution in the direct seeded rice field.
根据直播稻区稻水象甲种群动态和分布特点，提出了相应的虫情调查和测报防治建议。
Meanwhile, the mapping population of the genome project of rice and other population are compared and discussed.
本文还对已有基因组计划定位群体及其它群体进行了比较和讨论。
Rice is an experimental model for the cereal crops research and an agriculturally important plant, providing food for more than half of the world population.
水稻是谷类作物研究的实验模式种和有着重要农艺性状的植物，它为全世界一半以上的人口提供食物。
Growth and development of the individual and the population for rice has change in different population.
不同群体下，水稻个体和群体生长发育均发生了变化。
Consumption of wheat, rice and maize roughly tracks population growth but at a higher level, so demand for them will add about a billion tonnes to the 2 billion produced in 2005-07.
小麦、稻谷和玉米的消费增长大致与人口增长持平，只是总量发生变化而已。因此，粮食需求将在2005- 2007年生产的20亿吨基础上再增加10亿吨。
Farmers are planting more wheat and rice. But population growth is raising demand.
农民扩大种植小麦和水稻，但是人口增长扩大了需求量。
Researchers reviewed three outbreaks in early 2004 through late 2005. They looked at five variables: duck abundance, human population, chicken Numbers, elevation and rice cropping intensity.
研究人员检查了2004年初到2005末的三次爆发，他们注意到了五个变化的因素：鸭子的多少，人类的人口，鸡的数量，海拔和稻米种植密度。
In fact, the rice market is fairly stable: production has largely matched or exceeded population-growth rates in Asia.
其实，亚洲的稻米市场是非常稳定的：产量已经远远匹配或者超过了人口增长。
In this study, a high efficient Agrobacterium-mediated transformation system has been established and a large-scale rice enhancer trapping population has been generated.
建立水稻突变体库是功能基因组学研究的有效手段，而高效的水稻转化体系是建立突变体库的重要基础。
It was helpful for controlling the pest population to understand the relationship between temperature and rice leaf roller population.
研究温度与稻纵卷叶螟种群数量变动的关系，可为害虫种群的控制提供科学依据。
The rice grasshoppers in the north of Qinling mountains are similar, and should be a geographical race or population.
秦岭山脉北麓的眉县至长安一线的中华稻蝗距离较近，应为一个地理宗或居群；
The rice grasshoppers in the north of Qinling mountains are similar, and should be a geographical race or population.
秦岭山脉北麓的眉县至长安一线的中华稻蝗距离较近，应为一个地理宗或居群；
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