英语人>网络例句>saline soil 相关的网络例句
saline soil相关的网络例句

查询词典 saline soil

与 saline soil 相关的网络例句 [注:此内容来源于网络,仅供参考]

The different saline and alkali soil environment have different impacts on the soil microorganism growth characteristics.

文中初步分析了艾比湖湿地不同盐碱地土壤微生物群落分布变化的特征,讨论了土壤盐碱化程度对微生物数量的影响。

In Liaoning, the original soils growing rice before are brown earth meadow soil and saline-alkali soil.

从前,辽宁水稻最初种在褐土类草甸土和盐碱土上。

Combined, the brown and meadow soils cover about 64% of the total cultivated area; paddy soil 14.3%; saline-alkali soil 12.5%.

褐土加草甸土约占总耕地面积的64%,水稻土占14.3%,盐碱土占12.5%,其余为黄棕壤和其它土壤。

Biotic reclamation of the saline and alkaline land means the direct planting of the salt- enduring plant in salinization land, in conventional irrigation, not to require any subsidiary condition and facilities,in which the soil salinity is retained beyond the root system zone in soil profile.

生物改良盐碱地,指利用耐盐植物直接种植,通过常规灌溉,不需要任何附加条件和设施,将土壤盐分控制在植物根系土层以下的土体中。

Do not be able to bear or endure arid barren soil, avoid saline-alkali soil and ground of waterlogged be soiled, cultivated cross wet land undesirably at catchment, can cause grow decay of undesirable, root system, lamina falls off, cause death of entire individual plant finally.

不耐干旱瘠薄土壤,忌盐碱土和涝渍地,栽植于排水不良的过湿地,会造成生长不良。根系腐烂。叶片脱落,最终导致全株死亡。

The results showed that the temporal-spatial distribution pattern did not alter basically from May 2002 to May 2006, and the topsoil congregative type of soil salinity profiles was the majority in the Yellow River Delta, which indicated that the risk of soil salinization was great, and the level of amelioration and rational utilization for saline soils needed to be improved further in the Yellow River Delta.

结果表明:从2002年到2006年,该地区土壤盐分剖面类型的空间分布格局基本没有改变,黄河三角洲土壤盐分剖面类型总体以表聚型为主,这表明黄河三角洲土壤盐渍化风险大,必须进一步提高盐渍土的治理和合理利用水平。

The results show that because of saline water blending irrigation, the soil salt is cumulated, salification degree has positive correlation with irrigation water mineralization, soil sodium adsorption ratio increase and its impacted depths are different with mineralization degrees.

结果表明,微咸水灌溉后土壤积盐程度与灌溉水矿化度呈正相关;微咸水灌溉会使土壤饱和浸提液的SAR升高,且影响深度因灌溉水矿化度而异。

Saline meadow soil distributes in the micro basin, and sodic alkaline soil in micro slope or micro flat.

盐化草甸土分布在相对低洼的部位,苏打碱土分布在微坡地和高平地。

In different degree of saline and alkali conditions controlled in lab or under field, contents as followed were determined: the absorption, transportation and distribution of major cations Na~+, K~+, Ca~(2+and Mg~(2+) in indicator plant; organic solute, and antioxidase activities, including superoxide dismutase, catalase and peroxidase POD characteristics of individual, population and community of the plant. Responses of the indicator plant to environment from physiological to community aspects were systemically discussed in this document.(1 Vegetional characteristics and edaphic indicators including bare patch index, dry biomass, percent cover by perennial plants, growth indicators of Leymus chinensis, soil organic matter and pH were sensitive to saline-alkali grassland degeneration.

运用室内控制和野外试验相结合的方法,调查和测定在不同土壤盐碱条件、不同季节里,主要元素Na~+、K~+、Ca~(2+)、Mg~(2+)在植物体内吸收、运输和分布的变化状况;研究不同土壤离子浓度下,指示植物体内渗透调节物质——脯氨酸和糖类、超氧化物歧化酶、过氧化物酶和过氧化氢酶活性等指标的变化响应情况;研究不同盐碱梯度下,植物个体、种群、群落的特征;系统的从生理生态角度探讨指示植物对盐碱环境的响应:(1)植被特征指标:裸地指数、生物量、多年生植物覆盖率;羊草生长状况指标:土壤有机质含量、pH可作为松嫩平原退化评价的指标。

Microbial Organic Fertilizer contains large amount of organic substances and soilavailable microbe. During life activities process of SABs, a great deal of organic acid wasproduced, available form of N, P and K were released continually. These effects could improve soilphysical, chemical properties and soil fertility, take positive role for planting of Alfalfa in salineland and amendment of saline land. So research and application of MOF is important for saline landamendment and usage.

生物有机肥中含有大量的有机质、土壤有益微生物,其所含的有益微生物在其生命活动过程中,能产生大量有机酸,不断释放出土壤中的迟效态氮磷钾,能有效改善土壤的理化性质,提高土壤肥力,这些因素都会对盐碱地种植苜蓿和改良盐碱土起到一定的积极作用,因此研究利用生物有机肥改良、利用盐碱土具有重要的意义。

第6/9页 首页 < 1 2 3 4 5 6 7 8 9 > 尾页
推荐网络例句

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。

The almost sure central limit theorem is a pop topic of the probability research in recent years,because it has many actual applications in the random analogue.

中文摘要:几乎处处中心极限定理是近几十年概率论研究的一个热门话题。它之所以引起人们的注意是由于它在随机模拟方面的实际应用参见Fisher