耕種地壤 的英文怎麼說
中文拼音 [gēngzhǒngderǎng]
耕種地壤
英文
agricultural soil-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。The rate of contribution of various edaphic physical parameters is different from parameter of soil water infiltration model in different soil texture and husbandry condition, so independent variable factor and priority are different in regression models. the predicted results are satisfactory in correlation husbandry condition
在不同的土壤質地和不同的耕作條件下,土壤的各種物理參數對土壤的水分入滲模型參數影響程度不同,因此引入到回歸模型中的自變量因子不同,引入的先後次序不同。Land left in bare fallow to be sown with winter crops sustained losses that far exceeded the rate of new soil formation.
留作播種冬季作物的休耕地所經受的土壤流失遠遠超過土壤生成的速率。When cultivated and stripped of their dense vegetative cover, soils of the humid tropics quickly lose their fertility.
當將厚密的植被除去並耕種時,潮濕熱帶地區的土壤就會迅速失去其肥力。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。The changing procedure of soil water infiltration capacities is in keeping with second - degree polynomial change functions in cornfield, sesame field and fallow field and with quartic - degree polynomial change functions in wheat field in unfrozen phase, the changing process of soil water infiltration capacities suit second - degree polynomial change functions in various husbandry condition in frozen phase
在非凍結期,玉米地、芝麻地和休閑地的土壤水分入滲能力的變化過程符合二次多項式變化規律,小麥地的土壤水分入滲能力符合四次多項式變化規律;在凍結期,無論是哪種耕作條件土壤水分入滲能力符合二次多項式變化規律。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。The first thing that caught our eyes was a lone, dilapidated hut surrounded by a vast expanse of land lying against a backdrop of overlapping layers of mountains. the hut was the rest area for local farmers, who came to plant tree cuttings in the plot of land in front of the hut and, when new leaves had sprouted, transplanted them on the plains or hill slopes. by so doing, the farmers could earn a living while conserving the land around the reservoir
小艇走了差不多半個小時,上了岸,呈現眼簾的是一間破舊的小茅屋,還有廣大的平原,後面更有重重山巒相疊,那間破舊的小茅屋是在此耕種的農民們落腳的地方,在茅屋前,他們以插枝的方式把樹枝種在土壤里,等到長出新芽后,再移植于地上及山坡上,以保護此水庫及提供農民就業。A filed study on soil nutrient loss of different slope landuse types in the xiaolangdi gorges reservoir area was conducted under simulated rainfall
摘要通過野外模擬降雨試驗,分析了撂荒荒坡、林草間作、農林間作、造林林地和坡耕地翻耕種植玉米、坡耕地翻耕休閑6種利用方式下的土壤流失特徵。With exception of soils that are cold and wet at planting time, no evidence exists that surface broadcasting of potassium fertilizer is not an adequate method of fertilization under reduced tillage
除非在播種時土壤寒冷潮濕,沒有證據表明在少耕制下鉀肥地表撒施是一種不適當的方法。For the limited soil resources, we should improve the fertility by the way of reclaiming the lands with high fertility, green manure or burning the grass on waste land, reclaiming sandy lands, and increasing applications of fertilizers and manures
( 4 )農牧交錯帶土壤瘠薄,農牧民便採取開墾土壤肥力高的土地、漚肥或燒荒、倒沙種田、增旋肥料等措施提高耕地的肥力。Taoist priest mountain, at an elevation of 886 meters and located in the yiwu city, zhejiang province, is surrounded with m - any mountains covered with clouds all year round. the soil on the mountains is naturally suitable for the growing of the tea. the taoist priest peak tea has a long history
地處浙中義烏市北端的道人山,海拔886米,山巒疊翠,風景秀麗,生態環境優雅,常年雲霧繚繞,土壤肥沃,是得天獨厚的名優茶產地,歷史上道人們隱居耕耘種茶,焙制的道人峰茶,頗有名氣。Farmers in rawalpindi district of pakistan tractor cultivate or animal plough their fields on average 8 times from the beginning of the monsoon until wheat planting
巴基斯坦拉瓦爾品第地區的農民從季風季節開始到種麥,平均用拖拉機或畜力犁耕翻8次土壤。Effects on soil fertilization of different cropping systems on upland red soil
紅壤旱地幾種耕作制度的土壤培肥效應Based on the data obtained from the experiments on the soil with same structure under three cropping patterns, this paper makes a research into the numerical relation between the parameters of infiltration model and physical parameters of soil, and forms the statistic model about them, in order to produce a simple and easily used calculation method and a model for infiltration parameters and to provide the calculation parameters as required for the technical parameters of the water - saving irrigation
本文以榆次同一質地三種不同耕作方式下的土壤在自然條件下進行的大量試驗結果為依據,分析了土壤入滲模型參數與所獲得的土壤物理參數之間的定量關系,研究和建立土壤入滲模型參數與土壤物理性狀參數間的統計模型,為地面灌溉節水向深層次的發展提供簡單易行的土壤入滲參數確定方法和模型,為確定節水灌水技術參數提供所需的計算參數。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。In this paper, based on the soil water infiltration multifactorial influence tests with three species of soil texture and different husbandry condition and monofactorial influence tests with four species of soil texture in indoor, the basic infiltration characteristics, reduction infiltration mechanism and various factors are studied systematically. major factors influencing soil infiltration characteristics, resilience between influence factors and soil water infiltration parameter and influence priority are analyzed by mathematics statistics method, stepwise regression models with multiple units of soil water infiltration parameters are build up and verified
本文基於大田三種質地、不同耕作條件下土壤水分入滲的多因素影響試驗和室內四種質地土壤條件下的單因素影響試驗,系統地研究了土壤水分入滲特性的變化過程,阻滲機理和影響土壤水分入滲特性的各種因素,藉助數理統計方法分析影響土壤水分入滲特性的主要因素,各影響因素與土壤水分入滲參數間的相關性及其影響的先後次序。建立、驗證了土壤水分入滲參數的多元逐步回歸模型。For most of the 8000 years that rice had been cultivated in china and other countries in asia, the needs of a slowly growing population could be met by a gradual expansion of the cultivated area, improved irrigation, improved strains, better soil tillage and better agronomic practices
在中國以及亞洲其他國家八千年漫長的稻作歷史中,由於耕地面積逐步增加、灌溉條件逐漸改善、優良品種逐漸採用及土壤耕作和田間管理方法的逐漸改進等因素的緩慢發展基本滿足了緩慢的人口增長對糧食的需求。Farming on this type of land, farmers generally plant their crops up and down the slope, and cultivate the soil with minimal concern for soil erosion
在這種土地上耕種,農民通常是順坡自上而下種植作物,而且在耕地時很少考慮土壤侵蝕。It was found that forest soils were stronger in aggregate stability compared with parent material or bare soils
在各種土地利用方式中,林地土壤的穩定性最高,母質層和荒地土壤穩定性最小,而園地的穩定性大於耕地。分享友人