fertility erosion 中文意思是什麼
fertility erosion
解釋
肥力侵蝕-
The results are summarized below : 1 ) study on soil science indicates that soil granular structure is the focus adjuster for soil fertility and it affects the space, water - grasp, aeration and anti - erosion of soil. and the percentage of aggregate is one of the key index that decides the speed and extent of soil erosion, hardening and degeneration because the soil degeneration will first lead to the disappearance of crumb - structure. so it is very important that the physical course and character of soil in different land use pattern are realized
現將主要結果摘要如下： l 、士壤學研究表明，團粒結構是土壤肥力的中心調節器，影響著土壤的空隙性、持水性、通透性和抗蝕性；任何土壤的退化首先將表現出團粒結構的消失；團聚體百分比是決定土壤侵蝕、板結等物理過程速度和幅度的關鍵指標之一，了解不同土地利用和土壤管理方式的物理過程和性質相當重要。 -
As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability
龍須草能改善紫色土荒坡地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量；增加土壤含水量和貯水量，減緩和減少土壤的水分蒸發，增強土壤的抗旱能力；降低土壤盛夏的地表最高溫度，減少地表溫度變化幅度。 -
Soil erosion impact on soil fertility of uncultivated soil in the south jiangsu province
侵蝕對蘇南丘陵區非耕作土土壤質量的影響 -
The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area
研究結果主要包括： （ 1 ）巫溪縣生態退化特徵表現：作為生物生長基質的部分土壤薄而貧瘠，保水保肥能力差，部分地區基巖裸露，土壤的不斷退化導致植物種多樣性減少，植物種群結構逐步由復雜趨向簡單化；縣內水土流失的類型主要包括面蝕和溝蝕兩大類，據調查，面蝕面積占侵蝕總面積的80左右，其中坡耕地面蝕佔耕地侵蝕面積的70左右。 -
In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor
針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。 -
Degeneration problems of karst soil fertility are mostly soil leanness, vegetation reduction, and natural environment erosion and rock desert
巖溶土壤肥力退化問題主要表現為土壤貧瘠、植被減少、水土流失和土地石漠化。 -
These examples show that, contrary to the widely accepted assumption that nutrient inputs to tropical upland soils will accelerate acidification and deterioration, a combination of supportive management measures such as erosion control, legume cropping and recycling of biomass and plant nutrient inputs can safely lead to soil fertility buildup and attractive, sustainable, economic returns
通常認為在熱帶地旱土土壤上施用養分會加速酸化和土壤退化，但這些例子卻恰恰相反，表明了通過控制水土流失、種植豆科作物、生物量再循環以及養分投入等綜合配套措施可以穩妥地增進土壤肥力和獲得有吸引力的經濟效益。 -
According to the idiographic complexion of our country, the article elucidated the connotation of conservation tillage : it ' s a technology of tillage with minimum tillage or no - tillage so as to reduce the soil ' s disturbing, using stalk cover the field so as to decrease laboring and tillage ' s cost, preventing wind & water erosion, and improving the fertility of soil and the ability of fight a drought
摘要根據保護性耕作在我國的實施情況並結合國外已有研究結果，我們認為保護性耕作的內涵為：保護性耕作措施就是對農田實行少耕或免耕，盡可能減少對土壤的擾動，並以秸稈覆蓋地表，達到減少勞動強度和生產投入，防止農田風蝕和水蝕並提高土壤肥力和抗旱能力的一種農田耕作技術。 -
Experimental research, demonstration and extension conducted by china, as well as many years of practice in canada, have shown that the development of conservation agriculture can reduce water and soil erosion, reduce dust, resist drought, save water, increase the soil fertility and increase the efficiency
中國開展的試驗研究示範推廣和加拿大多年的生產實踐證明，發展保護性耕作，可以減少水土流失抑制揚塵抗旱節水增肥地力節本增效，達到保護農田與生態環境的可持續發展目標。 -
All of theses database was integrated into a land information system, which can be used to land evaluation and land use analysis. the second part is the application of soter land information system in land evaluation, based on water balance model watsat, crop simulation model ps 123 and ales ( automated land evaluation system ). the handan land evaluation model was built in ales based on expert knowledge and farmer s " experiences, it includs three decision trees, namely soil erosion risk, soil water condition and soil fertility
以邯鄲地區1 25萬soter土壤土地數據庫為基礎，探討了土壤參數區域化問題，並利用watsat區域水分平衡模型，研究了邯鄲地區區域水分平衡：大部分地區土壤水分滿足夏玉米生長需求， （ suff ）值為0 . 8 - 1 . 0 ，非常適宜；部分地區如大名地區、邯鄲和永年部分地區、涉縣溝谷坡梁地區土壤水分適宜夏玉米生長， suff值0 . 4 ? 0 . 8 ；不適宜地區， suff值0 . 2 ? 0 . 4 ，主要集中於丘陵山區以及平原古河谷地礫石和粗砂分佈區。 -
Absolute amounts of soil erosion is not large for the falling gradient in black soil region, but the nutrient is high in erosion soil, the nutrient of erosion soil and runoff is high, which leads to soil fertility degeneration, while n and p nutrient pour into water with surface runoff, it leads to water nutrient enrichment and pollution, and becomes one of confined factors of water nutrient enrichment
吉林農業大學碩士學位論文黑土地表徑流氮磷養分特徵及其與肥力退化的關系由於黑土耕作區坡度平緩，土壤侵蝕的絕對量並不很大，但由於土壤中攜帶的養分高，養分流失的較多，流失的養分將引起肥力的退化，而且氮磷等養分隨地表徑流流出匯入各種水體，引起水體富營養化和污染，成為水體富營養化的限制因子。 -
At present there are more reports on soil erosion by experts from home and abroad, but most of these reports were about simulation and research based on a single factor. there are little reports on soil erosion on entire watershed, adopted comprehensive research measures according to the principle of ecological system, especially on soil erosion from the intensive farming system on slope lands, watersheds exploited for agroforestry industry, as well as appraisal reports on soil fertility index
目前國內外學者有關水土流失的報道很多，但大多數以單一因素和模擬試驗研究較多，而從生態系統角度出發，採用綜合方法，在小流域尺度上研究水土流失規律較少；對小流域坡耕地綜合農業措施水土保持效應和小流域綜合開發利用過程中水土流失規律研究以及侵蝕土壤肥力評價的研究則更少。 -
Loss of topsoil by erosion and a reduction in soil fertility by not replacing nutrients, turn a renewable resource into a non - renewable one
侵蝕造成的表土流失以及不補充養分造成的土壤肥力下降使一種可再生資源變成不可再生的資源。 -
Soil erosion and nutrient losses in jiangjiatang watershed in lanxi city in zhejiang province during exploitation was studied from 1993 - 2000 using adoptive research methods such as runoff plot, catchment area, and rare earth element tracer ( eu ), and the soil fertility index appraisal. the major conclusions are as follow : 1. the principle of water and soil losses together with nutrients and the forms in which they were lost were studied under different fanning systems in runoff plot
本研究選擇浙江省中部金衢盆地邊緣蘭溪市水土保持監督站蔣家塘小流域為研究試驗點，以協作單位蘭溪市水土保持監督站小流域開發試驗區為基礎，採用坡面徑流小區法、單源匯水試驗區出口實測法、穩定性核素- eu土芯示蹤法研究了2000年坡耕地不同農作措施水土流失規律及養分流失規律和小流域綜合開發過程中水土流失規律及養分流失規律，並對小流域侵蝕土壤的肥力現狀進行評價。 -
The erosion and fertility in the mine spoils of mufu mountain in nanjing was researched, based on this research the soil in mine spoils of mufu mountain was improved with the remnant soil in the urban construction, in addition, the result of revegetation was analyzed too
摘要對南京市幕府山礦區廢棄地的植被恢復對土壤侵蝕、土壤肥力等的影響進行了研究，研究表明通過城市建築余土等對礦區廢棄地進行土壤改良，是城市郊區礦區廢棄地土壤改良和進行植被恢復的有效途徑。 -
A survey has been carried out of soil erosion in the black soil area at the east piedmont of the great xingan mountains in hulunbuir, by making use of satellite remote sensing data available and findings of the national survey of soil fertility and assessment of soil quality of croplands
利用衛星遙感資料結合全國耕地地力調查與質量評價項目的實施，在內蒙古呼倫貝爾市大興安嶺東麓低山丘陵黑土區進行了土壤侵蝕現狀調查研究，摸清了該地區土壤侵蝕現狀。 -
Article 35 people ' s governments at all levels shall adopt measures to maintain and protect irrigation and drainage facilities, ameliorate the soil to raise fertility and prevent desertification, salinization, water loss and soil erosion and pollution
第三十五條各級人民政府應當採取措施，維護排灌工程設施，改良土壤，提高地力，防止土地荒漠化、鹽漬化、水土流失和污染土地。 -
According to the research of black soil surface runoff of n and p nutrient characters and soil fertility degeneration, it discussed the relationship of runoff milt and soil nutrient erosion in black region, and provided foundation for environment protecting, pollution controlling, nutrient apprising, protecting, and prevention and cure. it helps to improve people ' s awareness, control and decrease soil nutrient erosion, strengthen soil resources and environment protection. it can get obvious economy and ecology benefits, it is also the key point to implement ecology province, and it can play an important part in contrast superiorit
J于提高民眾意識，控制和減少黑土養分流失，加強土壤資源和環境保護，具有明顯的經濟效益和生態效益，也是實現生態省的關鍵，從而便於發揮吉林省的比較優勢，使黑土資源的矛j用即滿足當代人的需求又不致於對後代人的需求構成危害，最終達到社會、經濟、生態環境的持續穩定地發展
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