The results were as following. Compared with C, total irrigation water amount for A and F decreased by 26.27% and 21.20%, irrespectively, the yield decreased slightly while water use efficiency and production efficiency of irrigation water increased markedly, which of A increased by 29.21% and 16.84%.

結(jié)果表明，半邊固定灌溉和兩邊交替灌溉的總灌水量比均勻灌溉分別減少26.27%和21.20%，其產(chǎn)量僅略微下降，水分利用效率和灌溉水生產(chǎn)效率明顯增加国产一级片操逼视频，其中，交替灌溉分別增加29.21%和16.84%狼友视频入口首页面。

The results indicated that irrigation water of non-pressure subirrigation was chiefly concentrated in the diameter of 20 cm around the aperture, which met the water demand of cucumber.

研究結(jié)果表明：無壓灌溉的灌溉水量轉(zhuǎn)換為土壤水主要集中在出水孔周圍20cm范圍內(nèi)97人妻无码视频在线一区，能夠滿足黃瓜的需水要求；該灌溉技術(shù)并不降低作物產(chǎn)量美国av毛片，與滴灌相比可實現(xiàn)節(jié)水25%以上亚洲校园欧美国产另类性色。

And the undersurface phenomenon was as well as the continuous irrigation.

波涌灌溉對土壤0～25cm溫度影響較大，循環(huán)率為1/2(N1s)87人人操人人爱、1/3(N2s)和1/4(N3s)的波涌灌溉溫度都較連續(xù)灌溉的高好吊操国产精品，依次高出0.1、0.7和1.1℃久艹只有精品。

The results showed that : three species all can resistant to drought ,wind-drift sand and endure to sterile soil, and with fine adaptability to local condition that there are irrigation in growth phase and no irrigation in post-vegetative phase in 2002 and there are no irrigation in growing period and irrigation in after bearing phase in 2003. Among the three species ,Agropyron cristatum× A.desertorum cv.

結(jié)果表明国产精自拍，在2002年生長期有灌溉和果后營養(yǎng)期無灌溉與2003年生長期無灌溉和果后營養(yǎng)期有灌溉的條件下，3種冰草表現(xiàn)出抗旱变态另类一区二区三区不卡、抗寒亚洲激情图片视频、耐瘠薄的特點(diǎn)，對當(dāng)?shù)貤l件具有較好的適應(yīng)性过产自拍视频在线。

With assistance from predecesors and collegues,we tried our best to make several kinds of research and suggested a new thinking mode on the method of dryland ir rigation in Guizhou karst mountain ares.

貴州借助前人韩国日本黄色视频、同仁和本課題研究工作，對旱地灌溉方式問題進(jìn)行幾種不同的研究性a视频在线观看，向社會公諸一個解決貴州巖溶山區(qū)旱地灌溉的一種新思維方式国产一igao视频网，并提供旱地灌溉的一種最佳模式免费无码大黄网站在线观看。

The surface irrigation occupies 95% of the total irrigated area, the border irrigation is the main method in surface irrigation, so there is much importance in researching on the border irrigation water-saving means.

地面灌溉占我國灌溉總面積的95％曰韩欧美不卡片，其中畦灌又是地面灌溉的主要方式，研究畦灌中的節(jié)水措施對于發(fā)展農(nóng)業(yè)節(jié)水具有重要意義玖玖在线资源www网。

China is a large country of irrigated agriculture, in which the shortage of water resources is very serious. Due to the underdevelopment of economy, traditional irrigation such as border and furrow irrigation is still taken as the dominant way in farmland irrigation, which leads to the great waste of water resources.

我國是一個灌溉農(nóng)業(yè)大國99热精品3，水資源緊缺問題十分嚴(yán)重，但是由于經(jīng)濟(jì)欠發(fā)達(dá)黄色网站aaaa，農(nóng)田灌溉仍以傳統(tǒng)的畦灌精品国产一区二区三区国产区、溝灌等地面灌溉技術(shù)為主久久黄色国产精品，水資源浪費(fèi)現(xiàn)象還比較嚴(yán)重，因此亚洲婷婷在线视频，開展節(jié)水灌溉的研究勢在必行国产精品久久无码HD毛片。

Because of the relativity of water saving and the scale effect of water use,the paper suggests that the water saving potential at different scales and its changing should be analyzed in line with water balance at different scales to guaran...

由于節(jié)水灌溉的相對性和尺度效應(yīng)，在采用節(jié)水灌溉技術(shù)和制定節(jié)水灌溉發(fā)展策略時国产精品特级女人18毛片A毛片，應(yīng)該分析不同尺度節(jié)水的潛力及其相互影響国产激情无码视频一区二区三区，以保證投資的有效性，并達(dá)到田間涩涩视频A、灌溉系統(tǒng)和流域尺度真實節(jié)水效果的一致在线视频色九色。

The principle new development of modern irrigation engineering.

灌溉原理與技術(shù)》是農(nóng)業(yè)水土工程學(xué)科中一門理論與技術(shù)兼?zhèn)涞膶I(yè)課程，主要講授現(xiàn)代科學(xué)灌溉理論的生理學(xué)和物理學(xué)基礎(chǔ)激情无码国产一区二区，作物需水量計算理論與方法欧美性交黄，非充分灌溉的科學(xué)依據(jù)與研究進(jìn)展，現(xiàn)代灌溉方法的原理與研究進(jìn)展99精品视频在线播放，旨在使學(xué)生掌握現(xiàn)代灌溉學(xué)科的基本理論91视频精品免费品全正版，了解本學(xué)科的關(guān)鍵技術(shù)、發(fā)展趨勢與存在的問題超碰在线黄色网站在线观看，掌握相應(yīng)的工程技術(shù)日韩精品天天在线观看视频免费网站，培養(yǎng)學(xué)生建立現(xiàn)代灌溉的新觀念和新理念，在理論和實踐上奠定學(xué)生深入研究灌溉學(xué)科中的有關(guān)理論和技術(shù)的創(chuàng)新能力基礎(chǔ)史上最婬荡野视频高潮。

The results showed that partial root-zone drying and alternate partial root-zone irrigation treatments reduced tobacco water consumption and tobacco yield, but tobacco water use efficiency increased with 7.5% and 11.2%, N and K contents of middle leaves treated with N 0.20 g/kg soil enhanced 23.1% and 25.2%, 33.6% and 59.8%, respectively when compared to the conventional irrigation treatment.

結(jié)果表明无码av免费一区二区三区，在不同施N水平下，與常規(guī)灌溉相比美女裸体黄网站，部分根干燥灌溉和分根區(qū)交替灌溉的烤煙耗水量下降电影网无码，產(chǎn)量有所減少，而水分利用效率提高7.5%和11.2%换妻视频在线观看；施用N 0.20 g/kg土?xí)r亚洲欧美日韩精品视频，PRD和APRI中部葉N含量分別提高23.1%和25.2%，K含量分別提高33.6%和59.8%a片黄色片一级片欧美。

dry：干燥的

2 A 常識運(yùn)用邏輯推理 尤其是在象沙漠一樣的干燥的(dry)地區(qū),更要控制而珍惜水,這與沙漠的遙遠(yuǎn)(distant),荒蕪(deserted)和野性(wild)無關(guān). 3 D 邏輯推理常識運(yùn)用 即使在沒有大面積的耕(farming)地農(nóng)田需要灌溉的地方,

irrigate：灌溉 "灌溉的是大門

irritable 激怒的 "激怒的是桌子" | irrigate 灌溉 "灌溉的是大門" | castigate 懲罰,嚴(yán)懲 "扔掉大門受懲罰"

irrigation：灌溉

灌溉施肥(Fertigation)是將施肥(Fertilization)與灌溉(Irrigation)結(jié)合在一起的一項農(nóng)業(yè)技術(shù),它是借助壓力灌溉系統(tǒng),在灌溉的同時將由固體肥料或液體肥料配兌而成的肥液一起輸入到作物根部土壤的一種方法.

irrigator：灌溉者

irrigative 灌溉的 | irrigator 灌溉者 | irriguous 可灌溉的

watering：灑水, 澆水,排水溝 (眼睛)流淚的,灌溉的

valueless 不足道的 | watering 灑水, 澆水,排水溝 (眼睛)流淚的,灌溉的 | sectoral meeting 部門會議(企業(yè)界人士的會議)

irrigable：可灌溉的

irrevocably 不能取消地 | irrigable 可灌溉的 | irrigate 灌溉

irrigable：可灌溉的 (形)

irrevocably 不能取消地; 不能撤回地 (副) | irrigable 可灌溉的 (形) | irrigate 灌溉, 使潮濕, 沖洗傷口; 進(jìn)行灌溉 (動)

irrigative：灌溉的

irrigation 灌溉 | irrigative 灌溉的 | irrigator 灌溉者

irriguous：可灌溉的

irrigator 灌溉者 | irriguous 可灌溉的 | irritability 應(yīng)激性

negative side-effect of irrigation：灌溉的負(fù)作用,灌溉的不良影響

side-effect 副作用;邊界效應(yīng) | negative side-effect of irrigation 灌溉的負(fù)作用,灌溉的不良影響 | sidelurch 側(cè)傾(船的)