It is very understanding on karst culture theories is helpful to dig out some certain karst culture as tourism resources, including material cultural tourism resources ,such as construction, the settlement, fields tilling and crafty; spiritual cultural tourism resources, such as the prehistorical construction of Daoism and Buddism, cliff picture and writing and the special tombs.

對喀斯特文化的理論認(rèn)識18岁禁止在线免费观看，有助于從眾多的喀斯特文化現(xiàn)象中欧美交性又色又爽又黄，發(fā)掘一些重要喀斯特文化旅游資源深夜福利国产片，包括建筑在线国产一区二区、聚落夜夜视频网、耕作国产性乱视频、工藝等物質(zhì)文化旅游資源，而一些物化的精神文化旅游資源有佛家和道家的建筑男和女的黄色视频xx日，史前的巖畫和丹書和延續(xù)至今的特殊的巖墓葬免费看女性一级A片图片。

It is very understanding on karst culture theories is helpful to dig out some certain karst culture as tourism resources, including material cultural tourism resources ,such as construction, the settlement, fields tilling and crafty; spiritual cultural tourism resources, such as the prehistorical construction of Daoism and Buddism, cliff picture and writing and the special tombs.

第6頁共92頁⑤對喀斯特文化的理論認(rèn)識，有助于從眾多的喀斯特文化現(xiàn)象中亚洲中文字幕一区女教师，發(fā)掘一些重要喀斯特文化旅游資源女人被男人操出水来视频免费网站观看，包括建筑、聚落欧美性交黄片A片、耕作日韩一区二区三区免费拍拍、工藝等物質(zhì)文化旅游資源，而一些物化的精神文化旅游資源有佛家和道家的建筑日本com，史前的巖畫和丹書和延續(xù)至今的特殊的巖墓葬日韩欧美图片。

The preliminary results show that the soil loss values calculated with model are proximally equal to those measured in the field.

模型驗證的結(jié)果表明，土壤流失量的預(yù)測值與實測結(jié)果基本吻合人人睡人人操人人上，初步證明所建立的保護(hù)性耕作風(fēng)蝕模型是成功的色色屋视频APP下载。

Besides replacing varieties, research and extending of high-yield wheat cultivation technology was a strong support of the sustainable development of wheat production. At this stage, these technologies were adjusting the amount of seeding, regulating fertilizer, ridging and conservation tillaging technology, etc.

除了更新品種，小麥高產(chǎn)栽培技術(shù)的研究和推廣也是小麥生產(chǎn)持續(xù)發(fā)展的強(qiáng)力支持，現(xiàn)階段已形成以調(diào)整播量為核心的的高產(chǎn)栽培技術(shù)亚洲av日av、以調(diào)節(jié)施肥為核心的的高產(chǎn)栽培技術(shù)色黄视频久久久，還有小麥壟作技術(shù)、保護(hù)性耕作技術(shù)等日韩综合中文。

The effect of tillage on survival of sclerotia is poorly studied and no generalizations can be made to aid in management of the pathogen.

很少有研究報道耕作對菌核存活的影響并且還沒有形成統(tǒng)一的認(rèn)識來幫助管理病菌在线一级免费黄色视频。

The runoff of fertiliser and manure from farms and feed lots; sudsy streams; sediment washed from the land as a result of storm s, farming, construction and mining

從農(nóng)場和飼養(yǎng)場流失的化肥和糞肥；充滿泡沫的溪流538国产精品视频一区二区三区；由于暴雨精品国无码一区二区三区不卡、耕作、建筑和采礦而被沖刷的土壤沉積物

The runoff of fertiliser and manure from farms and feed lots; sudsy stream s; sediment washed from the land as a result of storms, farming, construction and mining

從農(nóng)場和飼養(yǎng)場流失的化肥和糞肥欧美黄色性交片；充滿泡沫的溪流456精品视频在线观看；由于暴雨、耕作女人18免费AA视频一级、建筑和采礦而被沖刷的土壤沉積物

The runoff of fertiliser and manure from farms and feed lots; sudsy streams ; sediment washed from the land as a result of storms, farming, construction and mining

從農(nóng)場和飼養(yǎng)場流失的化肥和糞肥a影院；充滿泡沫的溪流；由于暴雨国产成人黄色网站、耕作人妻A∨无码中出综合网、建筑和采礦而被沖刷的土壤沉積物

It is contamination of water with city sewage and factory wastes; the runoff of fertiliser and manure from farms and feed lots; sudsy streams; sediment washed from the land as a result of storms, farming, construction and mining; radioactive discharge from nuclear power plants; heated water from power and industrial plants; plastic globules floating in the world's oceans; and female sex hormones entering water supplies through the urine of women taking birth control pills.

它是水體被下列污染物所污染：城市污水和工業(yè)廢水；從農(nóng)場和飼養(yǎng)場流失的化肥和糞肥黄色视频在线观看免费国产；充滿泡沫的溪流A级毛片大全免费；由于暴雨、耕作日韩妓女精品视频在线看网站免费、建筑和采礦而被沖刷的土壤沉積物九九视频在线观看A片；來自核電站的放射性排泄物；電廠和工廠的熱水在线永久观看的黄色网站；漂流在全球海洋中的塑料小球你懂的福利在线；從服用避孕藥的婦女的尿液進(jìn)入供水系統(tǒng)的女性荷爾蒙。

It is contamination of water with city sewage and factory wastes; the runoff of fertiliser and manure from farms and feed lots; sudsy streams; sediment washed from the land as a result of storms, farming, construction and mining; radioactive discharge from nuclear power plants; heated water from power and industrial plants; plastic globules floating in the world's oceans; and f

它是水體被下列污染物所污染：城市污水和工業(yè)廢水免费三级自拍偷拍电影视频网；從農(nóng)場和飼養(yǎng)場流失的化肥和糞肥黄美女；充滿泡沫的溪流；由于暴雨91国在线精品国内播放、耕作人人摸人人色人人操、建筑和采礦而被沖刷的土壤沉積物；來自核電站的放射性排泄物亚洲无码性爱小视频；電廠和工廠的熱水欧美午夜一级AAAAAA；漂流在全球海洋中的塑料小球；從服用避孕藥的婦女的尿液進(jìn)入供水系統(tǒng)的女性荷爾蒙青春草影视在线免费观看视频。