英语人>网络例句>paddyfield 相关的网络例句
paddyfield相关的网络例句

查询词典 paddyfield

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

Lower mandible is said to be black-tipped in Paddyfield, all pale in Manchurian Reed, but these features in warblers are often not reliable!

但是这些特徵在莺科身上经常是不可靠的。

The wetland ecosystem service function of the reed is 8 items, they mainly show on regulating function of water and protecting soil, they partly account for the valuations of the ecosystem service of reed wetland 35% and 32%, the number of valuations of the ecosystem service is 4 items after it is empoldered to the paddyfield, it is shown as material production value mainly, accounts for 75% of the value of whole ecological service of the system.

芦苇沼泽湿地生态系统服务功能为8项,主要表现在水分调节功能价值和控制侵蚀、保护土壤价值分别占整个芦苇沼泽湿地生态系统服务价值的35%和32%,开发为稻田后生态系统服务价值减少为4项,主要表现为物质生产价值,占整个生态系统服务价值的75%。

Methods From 1990 to 2005, investigation was carried out with trap - night method in residential area, paddyfield and dry land at fixed date every month to collect samples of rodents, identify classification and count density and structure of rodents.

1990—2005年每月定期在住宅、稻田、旱地3种生境采用夹夜法调查,收集鼠类标本,分类鉴定,统计鼠密度和鼠种组成。

If deltamethrin be used with prescript dose in paddyfield,it will have no harmful effect on fish breeding in paddy field and nearby fish pond,but will be more harmful to shrimp.

在稻田中按规定的剂量使用溴氰菊酯农药治虫,对稻田养鱼和邻近鱼塘无危害影响;对虾类有较大的危害性。

Constructed wetlands include canal, pond, fishing pond and paddyfield. Types of wetlands in Sanchahe area are typical and representative. The wetlands area is suitable. Water quality is perfect.

湿地的类型具有典型性和代表性,湿地的面积适中,水质良好,但水资源季节分配不均,人为干扰严重等问题是湿地保护的制约因素。3。

One of either Paddyfield Warbler A.

稻田苇莺或远东苇莺其中一种。

Adopting macro(survey data and statistical data)and micro data combined methods,thedissertation,studies the relationship between nitrogen application amount and yield,nitrogenefficiency and environment loss from province,region,city,county,and township different level,assesses rationality of nitrogen,phosphorus,potassium fertilizer application amount of paddyfield ecosystem in Tai lake area,discusses ecological and economic nitrogen application amountcombining with field experiment results,puts forward the suggestions of nitrogen sustainablemanagement in Tai lake area.

文章采用宏观和微观相结合的研究方法,从省域、流域、县域、乡域等不同尺度来研究江苏太湖地区氮肥施用与产量、氮肥利用率及氮肥环境损失的关系,对太湖地区稻田生态系统的NPK肥水平的合理性进行了评价,并结合田间试验的分析结果,探讨了生态经济施氮量,提出了太湖地区氮素可持续管理的建议。

In 2003,on the whole the soils in Wujiang were little acid, pH from 6.40±0.38 to 5.40±0.55now, and the trend of acid was in Tailake region. The available phosphorous in Paddyfield were significantly lower than. the other five land use patterns. As a result,controlling the phosphorous output form vegetable field mulberry yard and other dryland might be more significant to control the non-point pollution in Tailake region.

吴江市土壤基本上属微酸性土壤,2003年耕地监测中土壤pH值由1982年的6.40+0.38变为5.40±0.55,可见近20年来太湖地区普遍存在的酸化趋势;在稻田、林地、桑园、菜地、果园、旱地六种常见的土地利用方式中,稻田土壤速效磷显著低于其它五种利用方式中;因此,在控制太湖地区磷的面源污染上,控制菜地、桑园和其它旱地土壤磷的输出可能更为迫切。

And the content of heavy metal elements including Cu,Zn,Pb,Cd and As,etc in the sediment on the bottom of Baoshan River are all seriously higher than the standard value.The paddyfield along both sides of Baoshan River has been seriously poll...

宝山河底泥中Cu,Zn,Pb,Cd,As等重金属含量严重超标;宝山河两侧稻土污染严重,应是宝山河水灌溉所致;宝山河流域稻米Cd,F污染十分严重,已经严重影响到当地居民的身体健康。

The kinetics of degradation of healthy paddyfield ecosystem due to unreasonable fertilization are as follows.(1) The rice growth was interfered and the structure of microbe population was altered through applying excessive nitrogen fertilizer, while the yield of rice was decreased later and the secretion was reduced from rice root, which induced the Eh and the quantities of Bacterium and Actinomycetes declining, and the contents of MBC, MBN, MBP low in the soil. All of that made the capacity of accommodating nutrient weak in microbe ecosystem.

不合理施肥引起的稻田生态系统退化的动力学特征是:(1)重施氮肥首先使水稻植株生长受阻,同时改变土壤微生物种群结构,从而直接使水稻产量降低,稻田土壤生产力受损,并产生一系列不良次级反应:水稻生理活动减弱减少了根系分泌量,同时也降低了土壤Eh,使稻田土壤细菌、放线菌数量降低,MBC、MBN以及MBP含量下降,微生物保肥、供肥能力降低,从而土壤微生物生态系统功能弱化。

第2/3页 首页 < 1 2 3 > 尾页
推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。