Tritiated water was used as tracer to measure tree transpiration in a 28-year old Chinese pine plantation of north China during the growing season of 1984.
于1984年生长季,利用氚水作为示踪剂对河北隆化碱房乡大水泉村西山28年生油松人工林树木蒸腾进行了测定。
Accurate forecast of wheat harvest period is the premise to obtain uttermost crop yields. The phonological sequentiality and synchronization could be applied to forecast the growing season of crops.
可靠准确的小麦收获期预报是适时收获、最大限度获取产量的前提,物候现象出现的顺序性和同步性,可用来预测作物生长期。
More than 300 million people in South Asia are likely to be affected even with a 5% decrease in the length of the growing season.
即使生长季节缩短5%,南亚仍有超过3亿人可能受到影响。
This is useful for irrigation, but the high temperatures, low humidities, and different day lengths of the dry season, compared to the normal growing season, can present difficulties with some crops.
这对于灌溉是有用的,但是旱季的高温、低湿度和不同于正常生长季节的白昼长度,会给一些作物的生长带来困难。
The community structure and dynamics of soil water of Pinus sylvestris var. of the mongolica plantation were studied in a growing season.
对樟子松人工林群落结构和土壤水分动态进行研究。
"One of the things that got me interested," he said, "was that between global warming and the thermal bubble of cities you can start things much earlier so you have a much longer growing season."
“一个让我感兴趣的东西,”他说,“是与全球变暖和城市热岛现象使你的种植可以开始得更早,以便您有更长的生长季节。”
The study showed an initial advance in the timing of the growing season or its 'phenology' for both the meadow and steppe for the first 15 years.
这项研究表明,在最初的15年里,牧场和草原植物的生长期,或者说“物候现象”,最初在时间上都有增长。
Beltane once marked the arrival of the summer growing season as well as the rebirth of agricultural-and human-fertility.
五月曾经是夏季这个生长季节到来的标志,同时它也表明农业和人类繁衍重焕生机。
Others rationalise that it might bring benefits to one of the world's coldest countries, freeing up a melting Arctic for oil and gas exploration, and extending the country's brief growing season.
其他人则将全球变暖合理化,认为它可能会造福于这个世界上最寒冷的国家之一,融化的北极,有利于石油和天然气开发,并延长这个国家短暂的作物生长季节。
But by 2040, the average temperature during the Napa Valley growing season could increase as much as 2 degrees Fahrenheit (1.1 Celsius), with the number of days over 95 Fahrenheit increasing by 10.
但到了2040年,在纳帕谷作物生长季时的平均气温将上升2华氏度(1.1摄氏度),而气温高于95华氏度的日子将增加10天。
According to Roy, the nocturnal warming effect could offer farmland some measure of frost protection and may even slightly extend the growing season.
据罗伊说,夜间的保温效应可以给农场提供一些防霜措施,甚至也许会略微延长作物的生长期。
Yet the timing of the summer break dates from the days when child Labour was too valuable to lose in the vital final weeks of the growing season.
但暑假的时间设置其实是源自于童工十分珍贵的年代,人们不愿在农忙时节最需要帮手让孩子们呆在学校里。
At the end of the growing season, the researchers measured two types of antioxidants: flavonoids and phenolic acids. Both types have been shown to benefit human health.
在生长季末,研究者们测量了被证实是有益人体健康的两种抗氧化剂——黄酮和酚酸的含量。
The plants don't require excessive pampering to guarantee success, but your chances of a blockbuster harvest grow considerably when you take a little extra care at the beginning of the growing season.
番茄不需要特别的呵护就能保证丰收,不过,如果你在种植初期多花点心思,收获铺天盖地的果实的机会就会陡然上升。
Here are some of the findings by scientists: the growing season has increased by ten to fourteen days in northern parts of the United States over the last nineteen years.
这里是一些科学家们的发现:在过去的19年间,美国北部地区的生长季节延长了10到14天。
Many people have gone hungry in the past few months thanks to a poor harvest: instead of falling evenly through the 2004-05 growing season, the rains came all at once, mostly early on.
由于庄稼歉收,过去几个月许多人都在挨饿;在2004年到2005年庄稼生长季节里,雨水下得并不均匀,而是过早的下起了暴雨。
The net effect was a shortening of the growing season by about one month for steppe plants and three weeks for meadow vegetation.
网效应缩短了植被的生长期,在草原缩短了近1个月,而在牧场则缩短了3周。
Climate change is also expected to affect the average length of the growing season, this could continue to reduce the already low amount of crops that come from each hectare.
气候变化也将影响到作物生长季节的平均时长,这会造成原本已经很低的每公顷产量继续降低。
In growing season, the coefficient of variation (CV) in spatial change were 36%, 47% and 35%, respectively.
在这三个生长季节中,土壤呼吸速率的空间变异性系数分别为36%、47%和35%。
By returning to Beijing in time for a late-season playoff push, the team could move closer to its ultimate goal of growing the game in China.
球队的终极目标是让这项运动在中国发展壮大,通过返回北京,发起针对季后赛的季末冲刺,它离这个目标就会更近一步。
The 1st age class rhizome emerges at mid of growing season.
1龄根茎是在生长季中期开始形成的。
Results show that; (1) The effect of air temperature in plantations get increased more significant in growing season than that decreased in growing season.
结果表明:(1)人工林气温效益显示出非生长季缓冷保温作用大于生长季缓热降温作用的特点。
For recent years, the research has showed that there is a gradual lengthening of the growing season in the Northern Hemisphere.
近年的研究指出,北半球植被的生长季节正在逐渐延长。
Many parts of the world get rainfall in the summer growing season to support a dry land crop.
在世界上的许多地方,在夏天的种植季节降雨以供给水分给土地上的作物。
Using the rebuilt precipitation series of Yangling in past 70 years, the climate change of precipitation for growing season of crops in western Guanzhong and it's evolution tendency was analysed.
以重建的杨陵近70年的降水序列为代表,对关中西部作物生长季降水量的变化趋势进行了分析研究。
Using the rebuilt precipitation series of Yangling in past 70 years, the climate change of precipitation for growing season of crops in western Guanzhong and it's evolution tendency was analysed.
以重建的杨陵近70年的降水序列为代表,对关中西部作物生长季降水量的变化趋势进行了分析研究。
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