| 1. | Study on the compensatory effect of rewatering during the flowering stage after previous water stress in winter wheat
开花期复水对受旱冬小麦的补偿效应研究 |
| 2. | A river system is seen in drought - affected farmland south of the australian capital city of canberra , dec . 29 , 2006
这是2006年12月29日拍摄的澳大利亚堪培拉南部受旱情影响的河流和农田。 |
| 3. | The prime minister has promised to help the drought stricken farmers in the northern part of the country who haven ' t seen rain for nearly two years
总理保证帮助国家北部受旱灾的农民，这个地区的人近两年没看见雨水了。 |
| 4. | A dried - up river is seen from the air in the middle of a drought - affected farm on the outskirts of the southern australian city of melbourne march 14 , 2007
这是2007年3月14日在墨尔本南部空中拍摄的受旱情影响已经干枯的河流。 |
| 5. | Abstract : by similar selection analysing remote sensing data of a period time of a year and the remote sensing data of a period of the check year the degree and district of farm crops suffering dought were determined
文摘:通过对分析年某时段遥感资料与对照年同时段遥感资料的相似选择分析，确定出农作物受旱害的程度和受灾地区。 |
| 6. | The maximum influence of drought stage upon rice yield is the jointing - booting stage ; the second influence stage is earing stage and the suitable water deficiency in tillering and filling stage can ' t bring tremendous effects on yield of rice
不同阶段的不同程度受旱对水稻生长发育的影响不尽相同，相同程度受旱对产量影响最大的阶段为拔节孕穗期；抽穗开花期次之，在分蘖期和灌浆期实施一定程度的水分亏缺不会对产量构成较大影响。 |
| 7. | 3 ) the moisture changing processes at various location of a slope purple soil are obvious different : at up - location , soil moisture reduce more rapidly , therefore , drought will easily response to it at which the principle of often and little irrigation should be adopted
3 ）同一块紫色土坡耕地内，土壤水分的时空变化有较明显的差异。地块上部，耕层土壤含水量递减较快，因此，表现出较易受旱的情况，应采取少量多次的灌溉原则。 |
| 8. | Under the worse situation of worldwide shortage of fresh water , china , as one of the 13 countries with lowest per capita occupancy in water resources , has 330 cities are short of water ; an average of 26 . 68 million hectares farmland in drought annually but also a loss of billions of rmb properties due to the floodwater every year ; 82 % rivers and lakes suffered from pollution in different degree ; 2800 km river without any aquatic ; 25 , 000km ' s water unqualified by fishery water quality standard
在全球淡水资源日益紧张的形势下，我国作为世界人均水资源13个贫困国家之一，有330个缺水城市，每年平均有4亿亩农田受旱，每年洪灾要造成数以千亿的经济损失，有82 %的江河、湖泊受到不同程度的污染， 2800多公里的河段鱼虾基本绝迹， 2 . 5万公里的河流水质超过渔业水质标准。 |
| 9. | The results showed that the differences of leaf thickness , cutin layer thickness , stockade tissue thickness , sponge tissue thickness , ratio of stockade tissue thickness to sponge tissue thickness , tightness of leaf tissue structure , sedimentation of leaf tissue structure and stoma density were significant , while the differences of the sizes of upper epidermis and lower epidermis were not
叶片厚度、角质层厚度、栅栏组织厚度、栅栏组织与海绵组织厚度的比值、叶片结构紧密度和气孔密度等值越大的含笑，受旱危害愈轻，其抗旱性就越强。 |
| 10. | ( 5 ) the synthetic draft curve was conducted by crop coefficient and relative soil moisture . the correlation in crop coefficient and relative water content takes on uniform trend comparing to the soil water deficient degree . in the whole growth season of cotton , the high correlation coefficient occurred in the period of seeding , which was declined in the period of blooming and flowering , whereas it was raised in the late period of cotton
( 5 )综合作物系数与相对含水率拟合关系表明，作物系数与含水率的相关性与土壤受旱的情况呈现相同的趋势，苗期的相关系数高，而到了蕾期偏低，花铃期更低，到了吐絮期有所升高，整体上表现为水分状况良好，相关性就越高。 |
