草原土壤學 的英文怎麼說
中文拼音 [cǎoyuántǔrǎngxué]
草原土壤學
英文
grassland pedology- 草 : Ⅰ名詞1 (草本植物的統稱) grass 2 (指用作燃料、飼料等的稻、麥之類的莖和葉) straw 3 (草稿) dra...
- 原 : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
- 壤 : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 草原 : grasslands; steppe; prairie
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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。Results demonstrated that increases in biomasses of butachlor - degrader in crops rhizosphere soils were the principal cause of facilitations of butachlor degradation, and biomasses of butachlor - degrader varied markedly among various crops rhizosphere soils and resulted in the difference in facilitations of butachlor degradation among various crops
根際土壤中了草胺降解菌塵物量的提高是丁浙江人學幀卜學位論義4草胺加速降解的主要原回,不同作物恨際上壤中丁草胺降解菌生物量的差異導致對丁草胺降解促進程度不同。Abstract : burrowing behaviors of the plateau zoko rs ( myospalax bailely ) in rel ation to soil hardness were investigated by using radio - telemetry at haibei alp i ne meadow ecosystem research station, qinghai, china
文摘:採用無線電遙測法在中國科學院海北高寒草甸生態系統定位站對高原鼢鼠的挖掘行為及其與土壤硬度的關系進行了研究。Using cost - benefit analysis methods of environmental economics including the market valuation methods, opportunity cost methods, shadow engineering methods and restoration expenditure methods ; this paper evaluates the soil conservation benefit of ccfg in yuanzhou district of guyuan city
本文採用環境經濟學中費用效益分析的市場價值法、機會成本法、恢復費用法、影子工程法等估算了固原市原州區退耕還林還草工程的土壤保持效益。To this day i do not pull weeds any more ! so, while i have been thinking about creation and taking this trip down memory lane, i wondered : " why did god plant the earth immediately ?
我們要學習這當中的原則,大自然憎惡真空神曉得?不能容許肥沃的土壤丟空,以致雜草長出,破壞了?創造美麗的伊甸園的計劃,因此?立即造出菜蔬。分享友人