The total area of 27,818 mu of cultivated land, of which 22,600 acres of irrigated area.

總耕地面積27818畝日本群交视频，其中水澆地面積22600畝。

Until recently, however, the research of the accumulation of heavy metals in large irrigated areas is not systematic and whole.

但是欧美欲望视频，到目前為止日日夜,人人操，對(duì)北京市大范圍的污灌區(qū)土壤重金屬積累的情況仍缺乏系統(tǒng)操逼A片、全面的研究经典1页日韩中文字幕视频在线。

Some farmers of irrigated rice in Asia, Africa and Americas are using a production method called S.R.I.

一些亞洲美女裸体被操网站免费、非洲和美洲種植水稻的農(nóng)民正在運(yùn)用一種成為SRI的生產(chǎn)技術(shù)。

We have irrigated the desert area to make it fertile.

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Even so, the planet's reliance on irrigated crops undoubtedly will intensify in the coming decades.

即便如此，在接下來的十年里jizz18丝袜，全球?qū)喔刃娃r(nóng)作物的依賴必將加強(qiáng)久久精品精品久久。

It has the largest irrigated area of the fanaland in the world and grows more than a third of rice and other crops of the world.

人的每一步行動(dòng)都在書寫自己的歷史。

Chlorophytum is a little girl love to drink water, it will grow more irrigated water more of.

吊蘭是個(gè)愛喝水的小姑娘com视频自拍网，水澆得越多它就長(zhǎng)得越水靈靈的日本一本之道高清不卡免。

The Hill and Mountain agro-ecosystem is characterized by very little irrigated land and difficult terrain.

在山與山農(nóng)業(yè)生態(tài)系統(tǒng)的特點(diǎn)是很少的灌溉土地www..cao，地勢(shì)崎嶇欧美熟女精品视频。

Some farmers of irrigated rice in Asia, Africa and the Americas are using a production method called

在亞洲，非洲和美洲的一些灌溉水稻的農(nóng)民現(xiàn)在正在用一種叫做S.R.I人人上人人操超碰。的生產(chǎn)方法人人曰。S.R.I。

The design of micro-irrigation laterals affects the project cost and irrigated quality.

微灌管網(wǎng)毛管的設(shè)計(jì)欧美乱交牲交乱频，直接影響到工程費(fèi)用和灌水質(zhì)量黄页网在线观看免费视频。