Its emission spectrum is marching with the crop absorbing spectrum, so it has good pertinence and high efficiency, and it is the best choice to light crops.
专用光源的发射光谱与作物对光色的选择性吸收光谱相匹配，其针对性强、光效高，是给作物照明的最佳选择。
But, as you point out, Spanish tomatoes grow in abundant sunshine, while Britain's crop requires large amounts of energy in the form of heat and light.
不过你会说，在西班牙种西红柿阳光充足，而在英国种西红柿需要大量热能和光能。
The air temperature and light condition and its effects on crop planting system in solar greenhouses are studied.
对日光温室内的温、光条件及其对作物种植制度的影响进行了研究。
Temperature, humidity, light, CO_2, and PH of soil are the most essential factors in the growth environment of the crop.
就农作物的生长环境而言，温度、湿度、光照、CO_2、土壤PH值等是其最基本的因子。
Environment conditions affect the capability of light utility of crop leaf, whereas, the effect of crop colony on micrometeorology will influence photosynthesis of leaf.
作物叶片利用光能的能力受外界环境的影响，同时群体对小环境的影响反过来又影响叶片的光合作用。
For example, the system can give the theory value of irrigation when crop name, sensor name, temperature, humidity and light are inputted.
该系统提供了友好的操作界面，如只需输入季节名称、作物名称、温度、湿度和光照强度，系统就可以得出该作物的灌溉量理论值。
This course offers a basic understanding on morphology structure and function, the injury on crop of Acari by light microscopy and scanning electron microscopy practical operation.
本实习目的，让学生利用光学显微镜及扫瞄式电子显微镜认识基本之螨蜱外部形态构造及功能，与观察螨类对重要经济作物的为害特徵。
There was significant difference in the response of different crop varieties to the environmental factors which mainly included light-rate and CO2 concentrate.
不同作物品种对环境因子的响应不同，而对作物生长影响最大的环境因子是光照和CO2浓度。
The results showed that light fraction C and N pools of the alfalfa-crop rotation systems were higher than in alfalfa grassland.
结果表明，土壤轻组有机碳和氮含量苜蓿-作物轮作系统高于苜蓿草地。
Increasing planting early crops on the wetland is an effective measure to fully utilize the spring season resources of temperature or light and raise multiple crop index.
攀西地区下湿田增种早春作物，是充分利用春季光温资源，提高复种指数的有效措施。
Under the condition of light saline water irrigation, the crop growth and yield were not influenced.
微咸水灌溉条件下，作物长势及产量基本不受影响。
The artificial light plays an important role in crop growth, and LED as a new light source has broad prospects in the development of supplementary lighting system.
人工补光对作物生长具有重要作用，LED作为一种新型光源在作物补光系统中具有广阔的应用前景。
The result of water-salt stress showed: it did certain harm to crop growth under light water-salt stress, but the harm was little. Yield under light water-salt stress was 83.36% of the control groups?
水盐联合胁迫结果表明：轻度水盐联合胁迫对作物生长有一定影响，但影响不大，产量是对照的83.36%。
According to the light distribution law of the fruit-crop planting ecosystem the reasonable planting way and the reasonable shape of tree, the height of tree, the range of crown and other index ca...
根据果粮间作生态系统的光照分布规律可以确定合理的栽植方式和合理的树形、树高、冠幅等指标。
According to the demands of crop and livestock for sunlight illumination condition, 4 zones, namely, dark light zone, weak light zone, moderate light zone and strong light zone were divided.
探索了汽车在可见度极差的条件下行驶，由于光照暗区带来的一系列不安全因素的解决方法。
According to the demands of crop and livestock for sunlight illumination condition, 4 zones, namely, dark light zone, weak light zone, moderate light zone and strong light zone were divided.
探索了汽车在可见度极差的条件下行驶，由于光照暗区带来的一系列不安全因素的解决方法。
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