瘠薄土壤 的英文怎麼說
中文拼音 [jíbótǔrǎng]
瘠薄土壤
英文
hungry soil-
On very poor soils, band placement of phosphate produces larger yields and makes more efficient use of the fertilizer.
在很瘠薄的土壤上，磷肥做帶狀施用可以提高肥料的效用而獲得增產。2. the diagnostic surface horizons divided on the soils of the area are mollic epipedon, umbric epipedon and ochric epipedon. the diagnostic subsurface horizons are cambic horizon, argic horizon, histic evidence and mattic evidence. the diagnostic characteristics are sapric soil materials, folic soil materials, soil moisture regimes, soil temperature regimes, ferric property and base saturation
本地區土壤劃分出的診斷表層有暗沃表層、暗瘠表層和淡薄表層，診斷表下層有雛形層、粘化層，診斷現象有有機現象、草氈現象，診斷特性有6個：高腐有機土壤物質、落葉有機土壤物質、土壤水分狀況、土壤溫度狀況、鐵質特性、鹽基飽和度。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。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。Planting grasses and raising livestock is suitable in poor - land area in hilly mountainous region in middle of inner mongolia
內蒙古中部丘陵山區土壤瘠薄地區只宜種草養畜分享友人