The results of yield and water use efficiency in field show that yield can not reduce, butwater use efficiency can increase significantly from 〓 to 〓 when alternateirrigation by interval furrow compared to the well-irrigated plant. In 1997 and 1998,the resultsof field trails show that seeds yield is above 8000kg/ha meanwhile irrigation water can save from〓 to 〓 or 〓, about more than 33% water can be saved, water-saving profit is significant.

大田小區(qū)試驗產量和用水效率結果表明：隔行交替灌溉后灌溉用水效率明顯增加，可由常規(guī)灌水的〓提高到〓以上欧洲欧美黑白配黄色高清免费一级视频，總用水效率〓以上欧美操爱视频，1997-1998年兩年試驗結果表明籽粒產量保持8000kg/ha以上高產水平的同時灌溉用水量可由〓降至〓，甚至〓日韩一级黄色无码视频，節(jié)水達33.3％以上而不引起產量下降插插一级黄色，節(jié)水效益顯著。

Qilian Mountains are mainly located in the mountains for a cold desert soil → ash swamp land and soil; Long in the first mountain chestnut soil as a soil-gray →→ gray-brown desert soil; in the northern Gobi desert soil as a gray-brown sand of a wind →→ saline soil; corridor oasis for irrigated desert soil → a gray-brown desert soil of a meadow → soil.

在祁連山區(qū)主要分布為高山寒漠土一→灰鈣土及沼澤土国产色噜噜噜在线精品蜜臀；龍首山區(qū)為栗鈣土一→灰鈣土一→灰棕漠土新淫色综合网站；北部戈壁為灰棕漠土一→風沙土一→鹽土；走廊綠洲為灌漠土一→灰棕漠土一→草甸土。

Methods Self-planted corns were divided into contrastive area and polluted area. The polluted area was irrigated with simulative waste water, to collect different positions in different growing period as samples in polluted corn and contrastive corn respectively to analyze copper content.

采取自植玉米人人射，分為對照區(qū)和污染區(qū)欧美极品专区高清在线观看，對污染區(qū)的玉米人為施加模擬污水，分別采集污染玉米和對照玉米在不同生長期的不同部位作為樣品進行Cu元素含量分析在线A片视频网观看。

The increase has been especially dramatic during the past two decades in the U.S, particularly for sprinkler and drip irrigated systems.

近20年中欧美一级多人婬片人妻欧美大片，美國的灌溉施肥，尤其是通過噴灌和滴灌系統(tǒng)的灌溉施肥CO∩Xingaiwww，增加極其迅速igao.com为爱搞点激情。

Gabriel Faure was deeply touched by Victor-Marie Hugo's poetry, and decided to creative his famous song 《Dream of love》: If there is a charming lawn, irrigated by the nature, and there are flowers in all seasons, there, people can pick up lilies, honeysuckles and jasmines, I will pave a path with these flowers, where you can step on it.......This leads to his philosophy: a man, full of love with his heart, will be blessed by the God, will feel happy forever.

作品描述：雨果的詩深深地打動了福雷去創(chuàng)作他的著名的藝術歌曲《愛之夢》：&假如有一片迷人的草地，天灌溉著它日韩毛片一级毛片免费视频，在那里所有的季節(jié)都開著鮮花在线国产福利，在那里人們可以采下滿捧百合花、金銀花和茉莉花中国熟妇色視頻一区二区，我愿用這些花鋪一條路嘿咻嘿咻无码人妻视频，在那里你的腳可以踩踏……&從而引出他的哲理：一個充滿愛心的的人會得到上帝的祝福，永遠快樂免费在线永久观看黄色视频。

Two objectives, maximisation of net economic benefit and maximisation of irrigated area, aspired to by both the irrigation authority and the individual farmers in the Sukhothai Groundwater Development Project in Thailand are considered.

二個凈經濟好處的宗旨免费看huang片的网站、被灌溉的區(qū)域的最大化和最大化，向往對由灌溉當局和各自的農夫在Sukhothai 地水發(fā)展項目在泰國被考慮国产精品毛一级毛片基地。

River basin research should emphasize reducing overall water demand and modernising irrigated agriculture with maximal efficiency in mind.

有關流域的研究應以降低水資源的整體需求和最大限度地提高農業(yè)灌溉現(xiàn)代化的效率為重一级全裸操逼免费视频。

The fertile plains of the Amu Darya basin , account for about 40% of Afghanistan's irrigated lands.

阿姆河盆地肥沃的平原占阿富汗水澆地面積的40%。

One-third of the vegetables grown in Asmara, Eritrea, are irrigated with treated urban wastewater.

Asmara 及 Eritrea 利用都市廢水使蔬菜成長了三分之一99re.com。

South of Khartoum, Sudan, where the White and Blue Nile Rivers join, a dizzying arrangement of irrigated fields stretches out across the state of El Gezira.

蘇丹南部的卡圖姆是白尼羅河和藍尼羅河匯合之處a亚洲男人的天堂黄色美丽网站，在此處的阿爾戈齊拉州形成了壯觀的沉積平原。