The experiment was conducted to the improvement of the soil alkali -salinity in songnen grassland, based the seed movement over thenaked alkali-saline soil, which is very important significance on theory and appliance, and at the same time, we also explore a new way to improve naked alkali-saline soil by inserting cornstalk.

本實(shí)驗(yàn)以松嫩重度鹽堿地為研究對(duì)象黃色性爱，通過對(duì)裸堿斑表面種子流研究為改良鹽堿化草地改良提供了理論和指導(dǎo)激情漫画家庭婷婷，同時(shí)開展了扦插玉米秸稈法改良鹽堿地的研究。

By employing indicators as soil PH, conductance and salt content, different soil salinity degrees are plotted out. There arc 9 types of salinisation levels in Fukang oasis. Within them, the strong saline soil and solonchak are the main types, which, with regards to latitude and from the lower of diluvial fan to desert, distribute in turn as middle saline soil, strong saline soil, solonchak, strong saline soil, solonchak and non- saline distribute.

該文以電導(dǎo)久久国产福利一区二区精品、易溶性鹽含量黄色电影免费片日本大片、pH作為鹽漬化程度的指標(biāo)，將阜康綠洲的土壤鹽漬化程度劃分為9種類型国产经典在线观看亚洲AV，其中以強(qiáng)鹽漬土和鹽土為主黄色视屏在线你懂的，在緯度梯度上從南至北，即從洪積扇下部到沙漠按照中鹽漬土－強(qiáng)鹽漬土－鹽土－強(qiáng)鹽漬土－鹽土－非鹽漬土的順序依次分布。

The adsorption of Butachlor in four main types of soils (black soil, paddy soil, saline soil and planosol soil) in Northeast China was studied in this experiment.

試驗(yàn)對(duì)除草劑丁萃接在東北地區(qū)主要土壤黑土xxxxx黄片在线免费观看、水稻土美女黄色h网站网址、鹽堿土、白漿土中的吸附進(jìn)行了研究亚洲天堂日韩无码。

Depend on summarizing the prehuman of research fruit and through normal indoor experiment, the project characteristic of Jia An senior highway saline soil is studied and the choose range of basic physical mechanics index was given , which can provide basic data for the project of dealing with the saline soil design.

在總結(jié)前人研究成果的基礎(chǔ)上午夜两性免费视频，通過常規(guī)室內(nèi)試驗(yàn)，對(duì)嘉安一級(jí)公路沿線的鹽漬土工程特性進(jìn)行了分析研究亚洲小说区，給出了基本物理力學(xué)指標(biāo)的取值范圍久久亚州黄色视频，為鹽漬土的工程處理設(shè)計(jì)提供了基礎(chǔ)數(shù)據(jù)。

Treatment I which sows the seed of Chloris virgata on the the naked alkali-saline soil inserted by cornstalk directly, and treatment II which sows the seed of Chloris virgata on the naked alkali-saline soil by purposedly harrowed and inserted by cornstalk both gain favorable improvement effect.

3裸堿斑上扦插玉米秸稈補(bǔ)播虎尾草和翻耙后扦插玉米秸稈補(bǔ)播虎尾草實(shí)驗(yàn)結(jié)果表明兩種處理方法均取得了良好的治理效果国产高潮社区。

Experiments of bioremediation and control were conducted with the alkali meadow grass planted in saline soil for 3 years. Contrasted with control group, topsoil desalination rate was up to 77.00%; pH value decreased 0.25 pH unit; soil bulk density decreased 0.14 g/m^3; total porosity increased by 5.29%; soil aggregate structure increased by 23.14%; soil water content increased 70.30 g/kg; average triennial alkali grass yield was 36000 kg/hm^2. In addition, planting forage in saline soil as a medium and establishing a compound agro-forestry-animal system promoted the sound combination of planting industry, forestry, and livestock husbandry. Because of the reasons, utilization ratio of land reached more than 184.00%; the income of land increased from 16300 to 35500 yuan/hm^2 average income per farmer in the controlling region increased by 66.00%, from 2160.70 to 1300.80 yuan.

生物修復(fù)與調(diào)控試驗(yàn)研究表明3p国产精品一区，草甸鹽土經(jīng)種植堿茅草3a，耕層土壤與對(duì)照相比脫鹽率達(dá)77.00%一本热久久sm色国产，pH值下降了0.25個(gè)單位国产在线观看三级，容重降低0.14g/立方公尺，總孔隙度增加5.29%日韩精品观看第一页在线观看网站，團(tuán)粒結(jié)構(gòu)增加了23.14%欧美综合色色，自然含水量增加70.30g/kg.3年生堿茅草平均產(chǎn)草量36000 kg/hm^2；鹽化耕地采用以種植牧草為中介性柔术18性13处交视频，將種植業(yè)與農(nóng)區(qū)林業(yè)国产精品一级黄片、畜牧業(yè)有機(jī)結(jié)合成互相依存，互相促進(jìn)的農(nóng)林牧復(fù)合生物系統(tǒng)治理后日韩国产午夜福利片在线观看，土地利用率可達(dá)184.00%以上操操操网址，可獲得16300~35500元／hm^2的經(jīng)濟(jì)收入，治理區(qū)農(nóng)戶人均純收入由1300.80元增加到2160.70元欧美视频大全，增加了66.00%黄色免费a片短视频。

Shijiazhuang City, land resources, a total of brown, cinnamon, rocky soil, soil thick bone, the new soil, sand wind, tidal land, swamp land, paddy soil, saline soil, mountain meadow soil, and other 11 types of soil, with Rattus Chao soil and the soil most widely distributed.

石家莊市土地資源共有棕壤、褐土日韩福利首页在线观看网站、石質(zhì)土性爱小视频免费看、粗骨土、新積土久久99乐视频、風(fēng)沙土毛片免费视频高清、潮土、沼澤土午夜视频92免费毛片免费、水稻土人妻被强视频系列无码专区、鹽土、山地草甸土等11個(gè)土壤類型亚洲国产欧美日韩，其中以褐土和潮土的分布最廣免费一级大毛片a一观看不卡。

Based on unconfined compressive strength tests of solidified inshore saline soil using lime-ash,the influencing factors of solidified inshore saline soil using lime-ash: ratio of lime-ash (1∶K),quantity of lime-ash,age,degree of compaction and the content of salt are analyzed.

通過二灰固化濱海鹽漬土無側(cè)限抗壓強(qiáng)度的室內(nèi)試驗(yàn)黄色网站网址免费，對(duì)二灰固化濱海鹽漬土的抗壓強(qiáng)度的影響因素：二灰比(1∶K)、二灰摻量国产白嫩白丝护士在线播放、齡期一级黄色生活视频一区二区、壓實(shí)度和含鹽量等進(jìn)行了分析和研究。

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→灰鈣土及沼澤土日韩s8精品无码久久久久影院；龍首山區(qū)為栗鈣土一→灰鈣土一→灰棕漠土黄色另类视频；北部戈壁為灰棕漠土一→風(fēng)沙土一→鹽土；走廊綠洲為灌漠土一→灰棕漠土一→草甸土人人操人人人人人人操人人人人人人操人人。

Is within the flow region, rivers rare, soil essential for the desert soil, and thick bone soil and saline soil; vegetation is extremely sparse shrubs, semi-shrubs, mainly, there are large tracts of land barren; land type is mainly mountainous and desert, erosion stone Gobi, alluvial gravel Gobi and mobile sand.

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