Temperature is one of basic factors to influence the growth and development of crops, and decides the length of growing period. 温度是影响作物发育速度的基本因子之一,温度的高低决定生育期的长短。
The most effective response to high prices is to increase supply through faster growth in agriculture and productivity gains of basic food crops. 应对粮食价格上涨的最有效措施是通过提高农业发展速度和基本粮食作物生产率来增加供应。
This man-made soil has the essential feature of soil& fertility, so it can meet the basic conditions necessary for crops to grow. 这种人工制造的“土壤”具有土壤的本质特征&肥力,它完全能满足植物生长所需的基本条件。
But few know that rising levels of carbon dioxide ( CO2) the principal greenhouse gas is also expected to affect the nutritional value of many basic food crops. 但是几乎没有人知道上升的二氧化碳(CO2,主要的温室气体)浓度也有望影响许多基本粮食作物的营养价值。
In extreme cases they may not even find enough basic protein. Writing in bee culture this February, Mr Traynor observes that places where crops with low-protein pollens, such as blueberries and sunflowers, are grown are also places where CCD has appeared. 今年二月出版的《蜂文化》月刊的一篇文章中写道,特瑞纳先生注意到大量种植了花粉中蛋白质含量低的作物如越橘和向日葵等的地区,也就是出现过蜂群崩溃失调症的地区。
Environmental factors such as the illumination, temperature, moisture and gas in facilities etc., are the basic conditions that various fruits and vegetables crops are rely for existence. 果蔬栽培设施内的光照、温度、水分和气体等环境因子,是各种果蔬作物赖以生存的基本条件。
It predicts that this trend could hamper the further evolution of basic and applied transgenic science and the development of GM crops. 它预计,目前这种趋势将阻碍植物基因工程基础研究和应用领域的进一步发展。
A Basic Theoretical Study on Techniques for Double High yield Crops of Shoot producing Bamboo 笋用竹双季丰产技术基础理论研究
The moisture diffusion coefficient of particleboard from 4 kinds of crops straw ( flax bits. wheat stalks. straw, than stalks) was studied by non-linear simplex technique. Accurate diffusion coefficent was calculated out by Visual Basic program. 用非线性单纯形法研究了4种农作物秸秆(亚麻屑、麦草、稻草、豆秸)为材料刨花板的水分扩散系数、并用VISUALBASIC编制的计算机程序求出了精确的扩散系数。
A Basic Idea and Developing Strategy on High-Yield Development of Food Crops in Xinjiang 新疆粮食作物高产开发的基本思路与发展战略
Basic researches of cytoplasmic male sterility in pepper lack compared to the applied researches and clearly lag behind these of cytoplasmic male sterility in such crops as maize and rice. 与辣椒细胞质雄性不育应用研究相比,其基础研究薄弱,且远远落后于玉米、水稻等作物的雄性不育机理研究。
Ecological field theory is a basic theory of physical ecology. It has been mainly used in forest research and has not been applied in crops breeding and cultivation. 生态场理论是物理生态学的基本理论,现主要应用于森林生态领域研究,而在作物研究领域尚未应用。
Laboratory and field experiments showed that high molecular organic acid ligation basic copper sulfate is a better fungicide, and is safe to most crops. 通过室内和田间试验,高分子有机酸复合碱式铜具有较好的杀菌效果,对作物的安全性明显提高。
The basic fertility characteristics, microbial composition and agronomic characters of the rice crops were investigated on paddy soil, where no-tillage and ridge culture had been practiced for 10 years. 对经过10年自然免耕后稻田的基本肥力特征、主要微生物类群的数量以及水稻农艺性状进行了探讨。
Flowering is a significant symbol from the basic vegetative phase to reproductive phase of higher plants. In many factors that effect flowering, temperature is a key one, because several crops such as wheat 、 rapeseed are all need low temperature to flower. 开花是植物从营养生长向生殖生长转变的重要标志,而很多越冬的农作物如小麦、油菜等的开花都需要先经过低温春化,由此可见,温度是影响其开花的重要条件。
In two, thought that the basic service should be through the construction of professional cooperatives, industry associations, development village class is integrated service station and crops hospital, become rural comprehensive service center. 研究认为基层社应通过建设专业合作社、行业协会、发展村级综合服务站和庄稼医院等方式,成为农村综合服务中心。
Soil is a kind of basic natural resource for agriculture development, as an important component, soil moisture can affect on the growth and output of crops directly. 土壤是农业发展的基础自然资源,其中土壤水分是土壤最重要的组成部分之一,土壤含水量多少直接影响作物的生长和产量高低。
Transgenic technology for basic research in plant molecular biology and genetic improvement of crops has become one of the core tools of plant biotechnology n plant science. 转基因技术为植物分子生物学基础研究和作物遗传改良等提供了新途径,已成为植物生物技术的核心工具之一。
The farming total quantity dynamical equilibrium is plants crops the protection the basic goal, therefore the realization farming total quantity dynamical equilibrium is our country plants crops the protection the inevitably request. 耕地总量动态平衡是耕地保护的基本目标,所以实现耕地总量动态平衡是我国耕地保护的必然要求。