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- But stover protects against soil loss to wind and water. 但是柴火能讓土地保留風(fēng)和水。
- People plant trees on stark hill in order to deline the water and soil loss. 人們在荒丘上種植了樹(shù)木以減少水土流失。
- People planted trees on the waste hills to decrease water and soil loss. 人們在荒丘上種植了樹(shù)木，以減少水土流失。
- Soil loss, water shortages, and environmental quality problems are also the legacy of our growth. 水土流失和環(huán)境質(zhì)量也是我們發(fā)展中遺留下來(lái)的問(wèn)題。
- Soil loss of the pure contour hedgerow plot was 37.71% of that of the pure crop plot. 單純等高植物籬處理小區的侵蝕量?jì)H為在相近雨強及雨量條件下對照坡耕地的37．71%25。
- And the soil loss of the grading terrace is more serious than the paddy field, with lower hypsography. 地勢較高的緩坡梯田比地勢低的水稻田侵蝕嚴重。
- After projects are put into operation, the emphases of soil loss monitoring are landslide and bank collapse. 工程建成投入運行后，水土流失監測的重點(diǎn)是庫區的滑坡、塌岸。
- One of the most eye opening results was that increasing application of fertilizers correlated well with decreasing levels of soil loss on these sites. 最令人振奮的結果之一是,增加肥料用量與這些地點(diǎn)土壤損失量的降低呈良好相關(guān)。
- Hillslope one of the important topographty factors for process of the evolution and the intensity of erosion of the soil loss. 摘要地面坡度是地形因素中對坡面土壤侵蝕的演變發(fā)展過(guò)程與侵蝕強度起重要作用的因子。
- Hillslope is one of the important topographty factorsfor process of the evolution and the intensity of erosion of the soil loss. 地面坡度是地形因素中對坡面土壤侵蝕的演變發(fā)展過(guò)程與侵蝕強度起重要作用的因子。
- Contrastively, due to complicated types and high intensity, man-made erosions were main water and soil loss hazards in Guangzhou city. 人為侵蝕的成因主要有：采石取土、交通道路建設、開(kāi)發(fā)區建設以及坡耕地。
- Applying a redesigned index of land use structure,the effect of land use structural change on water and soil loss in Wusuli River basin was analyzed. 不合理的土地利用結構是導致我國一些河流水土流失乃至河流改道的重要原因之一。
- One possibility is to use the remains of corn plants left in the field after harvest.This material is known as Stover.But stover protects against soil loss to wind and water. 有些人擔心玉米作為乙醇生產(chǎn)的原料，用量不斷增加會(huì )導致食品價(jià)格上漲，同時(shí)也擔心玉米作為食品和飼料的原料減少了。
- Among the soil and crop management treatments, alley cropping gave the lowest soil loss, which was only about 14% of the farmers' practice(residues burnt). 在土壤和作物管理的不同處理中，巷帶種植使土壤流失量最低，只有農民習慣措施（燒掉植物殘體）的14%25左右。
- Corn straw cover is to use crop straw to cover the earth surface, which is a dry farming measure to solve soil, fertilization and water and soil loss control. 摘要玉米秸稈覆蓋是利用作物秸稈覆蓋地表，解決保土、培肥和控制水土流失的一項旱作農業(yè)耕作措施。
- Delay is not permissible, even for a single day. 不得延誤，即使一日亦不可。
- Under the new regulations this is permissible. 根據新的規章制度，這是可以的。
- Abstract: The working of laying sewage drain pipes resulted in periphery soil displacement seriously, partly landfall, partly soil loss and contortion of steel tubes. 摘 要: 針對深圳市污水排水放流鋼頂管已施工部分，因頂管施工過(guò)程中周?chē)馏w位移嚴重，局部出現過(guò)塌方，造成部分土體流失，引起鋼頂管扭曲變形。
- Based on 3 years locating and semi-locating observation, the amount of soil loss in runoff from yellow soil of hilly areas by de farming and reafforestation in Guizhou province. 通過(guò)3年定位、半定位觀(guān)測,對貴州山區退耕還林(草)地進(jìn)行采樣并采用無(wú)界徑流小區法收集地表徑流樣品,探討貴州山區退耕還林(草)措施對貴州山區土壤養分流失以及水土保持效益的影響。
- Supplied with local soil and crop parameters and climate data, the model could simulate soil loss on hour basis to evaluate different conservation tillage system. 該模型以小時(shí)為步長(cháng)，根據氣象數據、地表土壤水分、秸稈殘茬覆蓋率及地表粗糙度，模擬不同耕作體系下農田土壤風(fēng)蝕流失量情況；
