The results showed that tillage had stronger compaction effect on Red soil. By analyzing retention properties, water content was higher in the same suction for Red soil. Field capacity and wilting coefficient were higher for Red soil than those for Lou soil, but effective moisture and saturated hydraulic conductivity were lower for Red soil. For Red soil, Lateral infiltration ability was stronger, infiltration rate was greater than one number degree for Lou soil and preferential flow occurred easily.

結(jié)果表明：耕作片紅壤有較強(qiáng)的壓實(shí)作用A片一级免费视频；從持水特征分析黄网站色视频播放免费下载，同一吸力下紅壤的含水量較高，田間持水量和凋萎系數(shù)也高于塿土91啪在线观看精品，而有效水含量略低于塿土免费人成黄页在线观看，飽和導(dǎo)水率卻低于塿土1個(gè)數(shù)量級(jí)亚洲激情图片；從入滲特征分析，紅壤的側(cè)滲能力很強(qiáng)爱爱视频一区，入滲率比塿土高1個(gè)數(shù)量級(jí)timi11.com，容易發(fā)生大孔隙流。

The solution uses Intelligent Character Recognition, Optical Character Recognition and Optical Mark Recognition technologies and has deskew and cropping capabilities.

該解決方案采用了智能字符識(shí)別日韩欧洲妓女网，光學(xué)字符識(shí)別和光學(xué)標(biāo)記識(shí)別的技術(shù)国产美女精选视频，并已deskew和耕作能力。

The organic agriculture is one kind completely does not use the chemical fertilizer, chemistry agricultural chemicals and the weed killer cultivation way, not only may the production safety, the high quality product, simultaneously be able to maintain the natural ecological equilibrium, achieves the environmental protection and the resources circulation goal.

有機(jī)農(nóng)業(yè)是一種完全不用化學(xué)肥料国产黄A片在线观看永久免费、化學(xué)農(nóng)藥與除草劑耕作方式国产福利在线导航，不僅可生產(chǎn)安全、優(yōu)質(zhì)的產(chǎn)品www.亚洲天堂AV在线网站，同時(shí)得以維持自然生態(tài)平衡二区黄片，達(dá)到環(huán)境保護(hù)與資源循環(huán)的目的。

The results showed that ridge and furrow cultivation changed micro-topography of farmland and increased soil water content of furrow by collecting the runoff generated from ridge, in favor of downward movement of soil water.

結(jié)果表明：壟溝耕作改變了農(nóng)田微地形国产精品99riav在线播放，利用壟上降雨順壟流人溝中色色色五月丁香，從而攔蓄部分徑流，相對增加了溝中土壤蓄水国产一级国产一级视频，有利于水分向下運(yùn)移国产高清在线观看视频www。

The variation range is different according to regions, which reduces with the increase of latitude.

但作物類植物凈生產(chǎn)力的下降可以通過耕作措施得到補(bǔ)償。

At the feast they had lots of food including deer, corn and turkey.

印地安人幫助這些清教徒耕作及打獵日韩播放自拍视频下载网站大全免费，讓他們能夠經(jīng)歷嚴(yán)冬国产精品第8页狼友视频、酷暑而生存下來；在秋收之后欧美男女一级性生活视频，他們舉辦一個(gè)盛宴欧美老人一级黄色视频，和那些幫助過他們度過第一年的印地安人共同分享，他們準(zhǔn)備了很多食物国产亚洲日韩欧美一区，不但有鹿肉a片在线视频免费、玉米還有火雞。

The winds are lulled, and the snowe falls incessant, covering the tops of the mountains, and the hills, and the plains where the lotus tree grows, and the cultivated fields, and they are falling by the inlets and shores of the foaming sea, but are silently dissolved by the waves.

風(fēng)停了国产黄色片欧美黄色片，雪卻不住地下我要要看国产免费黄色视频。大雪覆蓋了山峰坡頂，覆蓋了生長著忘憂樹的處處平原欧美一级啪啪大片，覆蓋了一塊塊耕作田地，它落在浪花四起的海灣口97无码人妻、海岸旁国产精品视频福利一区二区，接著便悄無聲息地被浪花融化了。

Soil organic carbon accumulated relatively in lower soil layer in swamp meadow, poplar forest and scrub-steppe, while soil organic carbon distributed evenly in arable soils such as farmland, wasteland and plant nursery.

沼澤草甸性交黄色视频网址、楊樹林和灌叢草原類型在淺層土壤積累了相對較多的有機(jī)碳2020黄色网站直接观看，而耕作類土壤如農(nóng)田亚洲人性爱特别黄色视频、棄耕地和苗圃的有機(jī)碳垂直分布則相對較均勻。

In those poor and remote mountain villages folks still use manual labor and animals to till the land. They live in houses made of sun-dried mud bricks.

在那些貧窮的偏僻的山村国产品一级欧美在线观看最黄，人們還在使用人力和畜力耕作一级在线观看，居住的是土坯房，大旱之年人畜飲水十分困難日本特级永久黄色网站?。

Ranching / Stock or Livestock farming 畜牧業(yè)Land was used for permanent pasture, therefore farming was extensive.

土地用作放牧之用中文欧美，耕作為粗放式，這地帶伸延至耕種邊界美日韩极品无码迅雷下载链接网站，以外的是荒地美女扒开腿让男人桶爽动漫。