耕地上的作物 的英文怎麼說
中文拼音 [gēngdeshàngdezuòwù]
耕地上的作物
英文
tillage-
The thesis is based on income question, forest coverage rate and grop production. to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan - bei district, and then in view of the fact, seven esential factors which have influence on the project are found out : expense of dam, expense of crop, expense of cash tree, expense of defense tree, other economic crop, expense of grass and graziery ; and the output factors include : income of gdp, pure income per captia, the area of decreasing land loss, graziery income, crop production, income of tree, the totle income of economic crop. after the date of each facts are puted into dea model, unefficiencial decision making units ( dmu ) found. the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure. at the same time, taking into account some possible problems in or after grain for green in shan - bei district, the thesis bring out some propesal to improve the circ umstance, enhance the life level and put the relation of population, resource and circumstance into a healthy orbit
因此,加快退耕還林還草,調整土地利用結構和產業結構,已成為實現山川秀美工程和可持續發展戰略的必經之路。論文以解決陜北地區的收入問題,植被問題以及糧食產量問題為出發點,首先從理論上分析了包絡分析方法在陜北地區退耕還林(草)中運用的可行性,然後結合陜北地區目前的實際情況,綜合分析出影響陜北地區退耕還林(草)的關鍵的七個因素作為輸入指標:水利水保設施投入,農作物投入,經濟林種支出,防護林支出,其它經濟作物,草類支出,畜牧業投入;以退耕還林所要解決的最終問題作為輸出指標: gdp收入、農民人均純收入、水土流失減少量、牧業總產值、糧食產量、林業總產值、其他經濟作物總產值。將各指標所對應的數據代入模型后,通過分析求解得出非有效的決策單元,再運用包絡分析方法的一些基本原理對非有效的決策單元進行調整,由此所得的數據對陜北地區的實際投入具有很好的指導意義。She bade her acquaintance good - bye - for the respective carters had now come out from the inn - and the two waggons resumed their journey in opposite directions ; the vehicle whereon sat marian, izz, and the ploughman s family with whom they had thrown in their lot, being brightly painted, and drawn by three powerful horses with shining brass ornaments on their harness ; while the waggon on which mrs durbeyfield and her family rode was a creaking erection that would scarcely bear the weight of the superincumbent load ; one which had known no paint since it was made, and drawn by two horses only
這時兩輛馬車的車夫已經從客棧出來了,趕著苔絲就告別了她的朋友,回到自己的馬車上,於是兩輛馬車就往相反的方向走了。瑪麗安和伊茨決定和她們住的那家耕地的農民一起走,他們坐的馬車油漆得發亮,用三匹高頭大馬拉著,馬具上的銅飾閃亮耀眼而德北菲爾德太太一家人坐的這輛馬車卻是一個吱吱作響的木頭架子,幾乎承受不了上面負載的重物這是一輛自從造出來就沒有油漆過的馬車,只有兩匹馬拉著。Some particular measures to be taken are as the followings : ( 1 ) to establish a uniform harmony mechanism in the river basin in order to have a general plan for wetland protection and utilization ; ( 2 ) to combine the existing protection districts according to lake drainage area and species distribution, and to construct new wetland protection region in order to solve problems in management districts ; ( 3 ) to develop wetland restoration and reconstruction ; ( 4 ) to carry out reforesting in formerly cultivated land and to construct shelter forest of the yangtze river in order to control soil erosion and to preserve the water resource ; ( 5 ) to protect and utilize reasonably the wetland resources in the middle and lower reaches of the yangtze river ; ( 6 ) to strengthen the research of wetland science
具體可採取以下措施:在流域內建立統一協調機制,對流域濕地進行保護與合理利用,合理布局,統一規劃;按湖泊流域和物種分佈整合現有保護區,建立新的濕地保護區,解決目前管理上的制約問題;大力開展濕地修復重建;推進退耕還林、長江防護林等工程建設,發揮森林治理水土流失、涵養水源的作用;在保護的前提下科學合理地利用長江中下游濕地資源,開拓新的生產力;同時加強濕地科學研究。This study run through the basic idea of ecoregional approach methodology and systematic design by integrating agronomy, ecology, environmental economics, resource economics and maths. the study methods included macro - and micro - analysis, qualitative and quantitative analysis, theoretical and case study, statistical analysis and model simulation and so on. resources shortage and environmental pollution casued by intensive agriculture were examined for a specific suburban area shunyi district beijingissues were systematically analyzed including landuse changes, landuse driving force, water - limited yield simulation with wofost model, ecological, environmental and economical analysis of landuse, as well as optimizing pattern of landuse with rcsadss model
本研究立足於生態區域法的基本思路,採用系統設計的思想,通過農學、生態學、環境經濟學、資源經濟學、數學等多學科的交叉與融合,宏觀與微觀、定性與定量、理論與實證研究等相結合的方法,運用統計分析、模型模擬等技術手段,在大量調研基礎上,針對目前大城市郊區農業用地中存在資源短缺、環境污染等問題,以北京市順義區為典例,從土地利用現狀與動態、驅動力、 wofost模型產量模擬、生態環境經濟分析及種植業結構優化模式等方面進行了系統研究,獲得如下研究結果: ( 1 ) 2002年順義區的土地利用仍以農業用地為主,耕地、園地、林地和牧草地之和占總土地面積的56 ,農用地中糧食作物仍佔43 。Refers to area of land sown or transplanted with crops regardless of being in cultivated area or non - cultivated area. area of land re - sown to natural disaster is also included
指實際播種或移植有農作物的面積。凡是實際種植有農作物的面積,不論種植在耕地上還是種植在非耕地上,均包括在農作物播種面積中。在播種季節基本結束后,因遭災而重新改種和補種的農作物面積,也包括在內。The type is temporarily called root - no - tillage with only the root left in soil and direct drilling ; sowing directly and placing the past plant stalk orderly over the soil is called mulch - no - tillage. they are both of the content when refers to no - tillage generally and are adapted to keep moist in or keep from soil erosion in drying land
作物收獲后,作物地上部被從地表帶走,地下部的根系等原位保留,直接播種的免耕方式暫時稱為殘茬免耕;直接播種,並將前作地上部有秩序地平鋪在地表進行覆蓋的免耕稱為覆蓋免耕。On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand
在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的分析,判明我國小城鎮發展經歷了一個曲折向上的發展階段,已成為鄉鎮企業的載體,農村剩餘勞動力的蓄水池,城鄉物資交流的樞紐,農村精神文明的基地,是我國城市化的重要途徑;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多數小城鎮土地效益和規模效益低下,佔用耕地過多,直接影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需分析研究表明,我國土地短缺十分嚴峻,小城鎮土地需求缺口較大,小城鎮必須合理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓力;最後,論文通過運用特爾菲法,描述統計分析法、多元統計分析(主成分分析)法和系統分析法中的層次分析法( ahp )等一系列方法,結合定性和定量兩方面,從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析,篩選、建立了土地資源利用評價指標體系,在因子評價的基礎上,建立了土地利用綜合評價模型,並給出了評價過程和方法。Aiming at the ecological environmental deterioration of bashang, from 2002years to3 ~ 5months of 2003 years. sand - transporting quantity of land cover types were on - the - spot moinitoring in gale seaon, comparing the productivity of the main crops. improving environment and developing economy are compositively considered for applying returning cultivated to woodland and grassland to supply the base of theory and technology. the main results as following : 1 observing the sand transporting quantity of artificial grassland, stubble land and cultivate land. indicates that when wind speed is higher ( 8. 0m / s ), the sand transporting quantity of artificial grassland of 200cm reduces 35. 5 % in average more than that of cultivate land, 34. 5 % sand - transporting quantity than that of stubble land. no distinct difference between stubble land and cultivate land. and when wind speed is lower ( = 5. 0m / s ), the sand - transporting quantity of coverage is no distinct difference according to the analysis of variance
從改善環境和發展經濟兩方面綜合考慮,為實施壩上地區「一退雙還」提供了理論與技術依據。主要研究結果如下: 1對人工草地、作物留茬地及耕翻地的輸沙量觀測表明:勁風( 8 . 0m s )下,人工草地比對照耕翻地輸沙量在200cm高度內平均降低了35 . 5 ,比作物留茬地平均降低了34 . 5 ;作物留茬地輸沙量與耕翻地差異不顯著;微風( 5 . 0m s )下,不同地表覆被類型對輸沙量的影響差異不顯著。In this passage, author has studied the quota of irrigation that can make water used economically for various plants, if the irrigation quota can be lowered from 6795 m3 / a to 4500 m3 / a during the processes of irrigation, there will be a saving water amount of 3. 386million m3 / a, in shiyang river basin. there is no doubt that we can open the second source of river water that can provide the possibility of transporting 300 million m3 / a water amount to lower reaches of the river. in this paper, there are some analysis and prospects for the future situation of supply and demand of water resources in 2010
民勤水資源減少的主要原因是人為因素,如全流域人口增加、中上游耕地面積擴大,用水量增加,造成灌區重心上移;沒有樹立可持續發展觀,在經濟中搞短期行為;對石羊河流入民勤水量不斷減少、地表水、地下水轉化活躍、生態用水問題突出等方面進行了分析論證;對目前開發利用現狀、供需狀況進行了較為詳細的計算和評價;通過對各種農作物節水灌溉定額的研究,若從現狀灌溉定額6795m ~ 3 ha降低到4500m ~ 3 ha實施灌溉,石羊河流域將節水3 . 3867億m ~ 3 ,這無疑于開辟了第二水源,提供了向下游調水3億m ~ 3的可能性。Based on the waste residue continuing to use the theory of pure gypsum as amendment in improving alkaline soil establish a plan that with saving resources, water and with better effect and rapid speed. reach on the effect of the same - ion effect and salt effect of nacl in course of improving the alkaline soil. then after the certain amount of gypsum for exertion is decided, compare the effect of exertion of waste residue for one time with for more than one time
首先比較煤煙脫硫廢渣與化學純石膏改良的物理化學過程的異同,在廢渣基本上可以沿用純石膏改良的理論基礎上,在一定的計劃改良深度內,定量的石膏施用方法的情況下,建立一個省石膏,省水,省工,效果好,速度快的方案;同時研究了nacl的鹽效應和na _ 2so _ 4的同離子效應在純石膏改良堿土過程中起到的作用;最後針對石膏施用量確定之後,一次施入還是分次施入更好,進行了探討;結合當地耕作條件,總結各有利的技術措施,指導田間的生產實際。This is due to growing a variety of crops intensively in their small holdings for fulfilling home needs and insulating risk against complete failure due to aberrant weather and / or pest / disease attack
這是因為在其有限耕地上集約種植某些作物以滿足家庭需要和降低氣候不良和病蟲危害造成絕產的風險。Although irrigation could enhance output greatly, not all farmers could sink wells because of the economy and infield scales. in the first half of the 20th century, in north china, villages had a lot of custom using and maintaining wells, such as sharing the irrigating wells or borrowing. wells for drinking could use freely, which meant anyone could get water for drink from any well and the own
灌溉雖可大幅度地提高作物產量,但灌溉井的開鑿與農戶經濟狀況及農戶所經營的耕地規模有關,並不是所有農戶都可以開鑿灌溉用井,在二十世紀上半葉華北村落中存在著眾多的關於水井的使用和維護的習慣做法,如對灌溉井的共用或借用Anyone who has conducted reclamation for cultivation of crops on the reclamation - forbidden slopes before the entry into force of this law shall, on the basis of capital farming construction and in the light of the actua1 conditions, gradually stop the cultivation and, instead, plant trees, grow grass and restore the vegetation, or build terraced fields thereon
本法施行前已在禁止開墾的陡坡地上開墾種植農作物的,應當在建設基本農田的基礎上,根據實際情況,逐步退耕,植樹種草,恢復植被,或者修建梯田。The crop construction adjustment in suzhou region must follow the condition of social economy and agricultural development, on the foundation of strictly farmland protection and synthetic ability of the food production, and must accord the native special features, utilizing every kind of advantage resources sufficiently, develop efficient agriculture, characteristic agriculture positively, to speed up the renewal of crop variety, search for the new technique, and try to investigate the new model of farming and planting, and gradually increase the level of the agricultural industrialization, and promote the whole agricultural performance
摘要蘇州地區農作物種植結構調整須遵循社會經濟和農業發展實際狀況,在實行最嚴格的耕地保護和穩定糧食綜合生產能力基礎上,結合本地特色,充分挖掘各種優勢資源,積極發展高效農業、特色農業、創匯農業,加快農作物品種的更新、新技術的開發和應用,新型耕作和種植模式的探索、嘗試,逐步提高農業產業化經營水平,提升農業整體效益。分享友人