查询词典 paddy field

In our study the average of closure ratio was 0.85, Bowen ratiowas used to evaluated the change of energy component on the soil condition of paddy field, the results showed this ratio will be changed when soil tension was 40 centibar during the maximum tillage stage of rice.

而由探讨土壤水分状态影响能量项的变化，当水稻最高分蘗期，土壤张力值约40千巴时，潜热和可感热的比值逐渐改变。

Chufa always lives in the paddy field, and the peel accumulates biological waste and chemical substances which are harmful and poisonous.

荸荠 荸荠常生于水田中，其皮能聚集有害有毒的生物排泄物和化学物质。

Key words: paddy field; perennial weed; seed bank;tuber;corm

同时阐述了种子和块茎的寿命，以及免耕和水旱轮作对稻田多年生杂草种子库的影响，并提出了控制措施。

The increase of the construction land occupied a lot of glebe, paddy field and woodland, meanwhile, the increase of glebe occupied a large amount of woodland.

建设用地的增加占用了大量旱地、水田和林地，而旱地增加占用了大量的林地。

Considering the difference of runoff characteristics on different underlying surface in the area of plain tidal river network, four kinds of surface is divided,namely, waters paddy field-, dry land and central urbanized area,and suitable method is adopted separately in each surface to simulate runoff process. Xinanjiang Model usually applicable for mountain areas is introduced to river network area, furthermore, the paper researches runoff calculation of central urbanized area, the underlying surface is divided into pervious and imperviousness areas.In perviousness areas, Hoton Infiltration formula and corresponding spatial infiltration rate curve are used to establish the relationship between infiltration rate and soil moisture in order to decide the infiltration. According to practical situation.

根据平原河网区城市下垫面产汇流方式的不同，分成水面、水田、旱地、城镇四类，分别采用相对应的产流汇流计算方法，将适用于山丘区的新安江模型引入到平原河网区城市，同时对于城镇这类下垫面，从下渗角度考虑，划分成透水和不透水两种类型，根据霍顿下渗公式和下渗率空间分布曲线，建立下渗率和土壤含水量的关系，进而研制出城镇透水面的产流计算方法，城镇汇流根据实际情况可结合城市管道排水计算。

he isotope tracer technique was used to study the absorption and distribution of 125I in the simulated paddy field.

采用同位素示踪技术研究了125I在模拟水稻田中的吸收和分配。

From October to November in 2005, the soil macrofauna communities at 7 soil using types were investigated: paddy field, kaleyard, orchard (0), no vegetation wilderness, nursery, yard and lawn. Researches showed that there were 1052 soil macrofauna individuals belonged to 19 orders, 8 classes, 3 phyla.

2005年10~11月对金华市市区北部不同土地利用方式下的大型土壤动物群落与土壤理化性质的关系进行了研究，在水稻田、菜园、果园、无植被荒地、苗圃、庭院和草皮绿地7种不同利用方式的土地中取样，共获得大型土壤动物1052只，隶属3门8纲19目。

Graceful are yonder blooms of a paddy field, lily-white in color, lily-like in shape, yet more flourishing than lilies--a vision that impressed me.

当我看到水田边一片纯白的花，形似百合，却开得比百合花更繁盛，姿态非常优美，我当场就被那雄浑的美震慑了。

The dynamic change of NH4+, NO3- and TN, under the situation which urea was applied in the high fertility paddy-field in Yuhang of Hangzhou city with a lysimeter which was designed and made by ourselves, was studied and analyzed in order to find the rules of the change in the water-body of surface and the leakage rule of nitrogen, to reduce the effect of nitrogen loss on the water pollution.

借助自行设计制作的稻田渗漏计，在杭州余杭对高肥力稻田不同施用尿素氮肥情况下，稻田地表水和渗漏水中铵态氮、硝态氮和总氮的动态变化规律进行了研究分析，以利于发现氮素在地表水体变化和淋失规律，尽量减少氮素淋失对地下水体所造成的影响。

Its main advantages are: 1 Ploughshares former can Geng Sada narrow, sharp-angle, and then a small field can be competent. 2, spiral Ploughshares high-speed rotation, tillage Shulan soil formation, may omit rake mud, soil and other pressure Suitu site preparation process. 3, spiral Ploughshares work will push the soil later, will pull the machine forward traction, it can effort can be smaller engine-driven. 4, the spiral Ploughshares work itself traction to overcome the original style, to break through resistance to the plow, the machine tray can be fitted with the lower part of farming feet deep mud paddy field. 5, the spiral Ploughshares put on the handling round, you can use the drive shaft Ploughshares handling round, 20-30 cm wide in the small mountain ridge or drive to complete removal. 6, according to the plane of principle, can also be designed as a multi-Ploughshares, or a variety of forms, suitable for large-scale farming machinery Plain.

它的主要优点是：1、犁头在前能耕狭田窄地，田尖地角，再小的田地都可胜任。2、螺旋犁头高速旋转，被耕泥土熟烂平整，可省去耙泥、压土等碎土整地过程。3、螺旋犁头工作时将泥土往后推，有将机器往前拉的牵引力，因此可以省力，可用较小的发动机驱动。4、由于螺旋犁头工作时本身有牵引力，克服了原式华犁的对闯阻力，在机器下部装上托盘就可耕作深泥脚水田。5、把螺旋犁头换上小搬运轮，就可利用犁头轴的动力驱动搬运轮，在20—30厘米宽的小山路或田埂上行驶完成搬运。6、根据该机工作原理，还可设计成多犁头或各种形式，适合平原的大型耕作机械。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。