旱地土壤 的英文怎麼說
中文拼音 [hàndetǔrǎng]
旱地土壤
英文
dryland soil-
The results showed in the paddy field the bacteria were predominated, in the dry land the proportion of fungi and actinomyces was distinctly higher than the other two kinds of soil, in the woodland abundant species of basidiomycetes were found ; the natural degradation speed was low, with the degradation the number and composition of microorganisms changed regularly ; when the c / n ratio was adjusted to 25 " ? 1, the degradation remnant ratio reduced 10. 67 % than the control
結果表明,水田以細菌為主,旱地中真菌和放線菌數量最多,林地中有大量的高等擔子菌;秸稈自然降解較慢,土壤微生物也隨著降解的進行而呈現一定的變化規律;當調節c / n比為25 : 1時,秸稈的腐解殘留率比對照組下降10 . 67 。 2The analysis of micro - climate site of the road greenbelt in the building process of expressway, a lot of calcareousness, powder of coal ash, asphaltum and stone were put into used. on one hand, it completely destroys the original soil structure, making the soil really barren, on the other hand, the rise of roadbed also affects the ground water to go up, making the soil very drought
路體綠地立地條件分析高速公路在修建過程中,採用了很多的石灰、粉煤灰、瀝青、石塊等材料,一方面使原有的土壤結構被徹底破壞,土質十分貧瘠,另一方面路基抬高影響地下水位上升,土壤十分乾旱。Indicatory function of soil moisture of undergrowth vegetations in the robinia pseudoacacia forests with different densities in semi - arid region on the loess plateaus
林下植被對半乾旱區不同密度刺槐林地土壤水分環境的指示作用The outcomes show that the sequence of soil erosion of types of land use in different regions is different and the sequence of soil erosion of types of land use in different periods of the same regions is uncertainty ; the occurred rate of soil erosion of new wasteland is higher than that of idle wasteland for years ; the occurred rate of soil erosion of grassland is higher ; the occurred rate of soil erosion of non - irrigated farmland is high and the soil erosion intensity of land used for construction is great during construction and becomes smaller after completion
結果表明:不同區域土地利用類型的土壤侵蝕序列各不相同,而同一區域不同時期土地利用類型的土壤侵蝕序列不確定;新出現的難利用地比長期閑置的難利用地土壤侵蝕發生率高;草地土壤侵蝕發生率偏高;耕地中旱地的土壤侵蝕發生率高;建設用地建設時土壤侵蝕強度大,而建成後土壤侵蝕強度小。The content of fixed ammonium, capacity of fixing - ammonium, available fixed ammonium, kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling, laboratory incubation and analyses. the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment
本文通過野外調查取樣、室內培養試驗和分析測定,研究了湖南省主要旱耕地土壤的固定態銨含量、固銨容量、有效性固定態銨含量以及土壤對銨離子的礦物固定和土壤固定態銨釋放的動力學特性,通過田間小區試驗,研究了不同施肥結構下土壤固定態銨在黃花菜生長期間的動態變化規律及其生物有效性。Most of these areas are occupied by acid tropical upland soils
這些地區大多數為酸性熱帶旱地土壤。Effects of increasing soil fertility and maize output by manure the maizestraw with different returning ways to upland soil
不同秸稈還土方式對旱地土壤培肥和玉米產量的影響In upla n d fields, the soil phosphorus content was also increased, whereas soil organic m a tter and potassium were obvious reduced
由於鉀肥施用不足,水田、旱地土壤鉀素含量都明顯降低。Most highly weathered and leached upland soils in s. e asia are so deficient in primary nutrients that economic yields of healthy crops cannot be produced, unless nutrients are added to the soil
東南亞大多數高度風化和淋溶的旱地土壤主要養分貧乏,以致除非向土壤施加養分,否則不可能獲得健康作物的經濟產量。By analyzing the temperature, the quantity of heat, water conservancy, sunshine of the area of centrac zhejiang, and the corresponding relations between soil environment of dry - land and complete growth time of spring corn, we advance the appropriate measures
摘要通過對浙中地區的溫度、熱量、水利、日照以及旱地土壤環境與春玉米生長全生育期對應關系的分析,提出了應用廣積土雜肥、增施有機肥、合理施用?性肥料、改善供水條件。Results showed that the contents of soil organic matter, nitrogen and phosphorus in paddy fields increased year after year, under the application of chemical fertilizer combined with organic manure, even if the chemical fertilizer played a leading role in the supply of nutrient
調查結果表明,在目前有機肥與化肥相結合,養分供應以化肥為主的施肥結構下,水田土壤有機質和氮、磷含量有所增加,旱地土壤有機質和全氮含量下降,土壤磷素有積累。Results showed that the contents of soil organ ic matter, nitrogen and phosphorus in paddy fields increased year after year, unde r the application of chemical fertilizer combined with organic manure, even if t he chemical fertilizer played a leading role in the supply of nutrient
調查結果表明,在目前有機肥與化肥相結合,養分供應以化肥為主的施肥結構下,水田土壤有機質和氮、磷含量有所增加,旱地土壤有機質和全氮含量下降,土壤磷素有積累。2. the results showed that the contents of cach - extractable soil p, and soil test phosphorus ( olsen, bray, mehlich - 3 ) and algae - available p contents ( naoh - extractable soil p ) in the soils correlated significantly with the contents of ortho - p, particulate p and bioavailable p in runoff, respectively, which were feasible to be used as primary indices to evaluate of agriculture p impacting on surface water quality. the results also showed that the relationships between the phosphorus sorption of soil index ( psi ), and the degree of soil saturation with phosphorus ( dpss ) and the contents of ortho - p, particulate p and bioavailable p in runoff reached significant level, respectively
黃壤旱地土壤易解吸磷( cacl _ 2 - p ) 、土壤有效磷( olsen - p 、 bray - p 、 mehlich - 3 - p )或藻類可以利用的土壤磷( naoh - p )與地表徑流中顆粒態磷、生物有效性磷和磷酸根態磷之間均存在顯著的相關性,在一定的程度上可用cacl _ 2 - p 、 olsen - p作為指示黃壤旱地地表徑流中磷潛在流失的預警指標,來判斷旱地存在磷素非點源污染的可能性。Runoff amount in rainy season for different land - use types constituted more than 50 % of annual amount, while the proportion in drought season was less than 17 %. of annual total soil loss amount, the control accounted for 60 % and complex proportions for other lands. however, soil loss amounts in drought season for all lands were lowest in one year
雨季徑流量均佔全年的50以上,而旱季徑流量佔全年的17以下;而不同土地利用方式的土壤流失量佔全年流失量的比例則較為復雜,對照土壤流失量佔全年的60 ,而其它土地利用方式由於植被覆蓋、耕作和管理措施的季節性可能發生3 6月的土壤流失量小於7 10月的流失量,但旱季土壤流失量所佔比例均最小。Thus, establishment of sustainable agriculture on the often shallow, low fertility and sloping soils of the rainfed uplands in s e asia demands first a buildup of soil fertility
因此在東南亞雨養旱地大多是淺薄而缺乏養分的坡地土壤上建立持續農業,首先以及歸根到底是需要培肥土壤。Soil loss tolerance of sloping field in semi - arid hilly - gully area of loess plateau
半乾旱黃土丘陵區坡耕地土壤容許流失量研究Spatial variability of soil moisture on steep slopeland in loess hill region
黃土半乾旱丘陵區陡坡地土壤水分空間變異性研究Seepage reason and seepage control method in hongxing reservoir
降水與旱地土壤水滲透規律研究3 ) the soil moisture under the artificial community was twice that of non - vegetation slopes ; topsoil moisture increased by more that 200 % during the rainy season, but in the dry season the soil moisture under the introduced vegetation was close to or even lower than that of non - vegetation slopes
: 3 )根據土壤含水量的分析,雨季植被下土壤含水量比光坡地增加約100 ,表層上則增加2倍以上;但旱季,喬木林地土壤含水量與無植被覆蓋地相近甚至低於無植被覆蓋地。Characteristics and regulation mechanism of moisture in dryland of latosolic red soil in fujian province
福建赤紅壤旱地土壤水分特性及調控分享友人