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水稻田
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  paddy field
    Field experiment result showed that N3O flux from the GCRPS paddy field (0.96 mg-m-2.h-1) was significantly higher than that of the normal waterlog paddy field (0.052 mg. m-2.h-1).
    结果表明,大田水稻全生育期内覆膜旱种稻田N2O的平均排放量(0.96ug.m2.h-1)远远大于常规水稻田的排放量(0.052ug.m-2.h-1)。
    Dynamic Characteristics of Phosphorus in Surface Water of Paddy Field and Its Potential Environmental Impact
    水稻田表水磷素的动态特征及其潜在环境效应的研究
短句来源
    STUDY ON SPRAYING FILM OF LIQUID MOLECULAR IN PADDY FIELD WITH TECHNIQUES OF BOTH NITROGEN FERTILIZER AND WATER SAVING
    水稻田喷施液态分子膜及节氮节水技术研究
    Application of A New Slow-release Urea Inhibitor in Paddy Field
    水稻田施用新型尿素缓释剂的效果研究初报
短句来源
    Advance on Nitrogen-fixing Green Blue algae of Rice Paddy Field
    水稻田固氮蓝藻的研究进展
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  rice field
    It was viewed that single super phosphate(P2O5 60~75 kg/hm2)applied in calcareous rice field in prematurity rice was efficiency measure of yield-increasing.
    可见,在石灰性水稻田的早稻施用过磷酸钙(P2O560~75 kg/hm2),是提高产量,充分发挥磷肥后效,提高磷肥利用率的一项有效措施。
短句来源
    Leaf photosynthetic acclimation of Echinochloa crusgalli grown in rice field to free air CO_2 enrichment (FACE).
    水稻田稗草叶片光合作用对开放式空气CO_2浓度增高(FACE)的适应
短句来源
    Acative and quantity of Biological Fixation of Nitrogen in the Rice Field in Northern-Chian
    北方水稻田生物固氮活性及固氮量
    6. The CH4 and N2O flux from rice field is crossed under water management. During the flooding CH_4 flux is in peak, but N_2O flux is very small.
    6.水稻田CH_4和N_2O排放具有交互效应,受稻田水分状况的影响,淹水期是CH_4排放高峰期和N_2O排放低谷期;
短句来源
    in the inland area, it is 2 37 mg/kg The effective silicon content of rice field soil is: in the coastal area, the average content is 74 57 mg/kg;
    内陆地区平均 2 37mg/kg。 水稻田土壤有效硅含量 :沿海地区平均 74 57mg/kg ;
短句来源
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  “水稻田”译为未确定词的双语例句
    Methane Emission form Paddy Fields and Influence Factors
    水稻田甲烷排放机制及影响因素
短句来源
    The average emission flux of methane from the field of paddy-upland rotation was only 5.37 mg/m 2·h -1 , but 16.1 mg/m 2·h -1 form the winter flooded paddy.
    水稻———小麦轮作,稻田甲烷平均排放通量为5.37mg/m2·h-1,仅是冬水稻田排放通量16.10mg/m2·h-1的1/3。
短句来源
    Accordingto these equations, we calculate the optimum application proportion of N to K2O for the field, which capability yield is 6 345 kg/hm2, under the aim yield 8 589 kg/hm2. The proportion is 1: 1.22, namely, N 139.4 kg/hm2 and K2O 170.6 kg/hm2. It quite accords with practice.
    根据上述方程推导出地力产量为6345kg/hm2的水稻田目标产量为8589kg/hm2,N与K2O施用量的最佳配比为11.22,即N139.4kg/hm2、K2O170.6kg/hm2。
短句来源
    Daily soil respiration rates were highly correlated with 5 cm depth soil temperature measurements. The mean rate of soil respiration was 121.76 mg·m -2·h -1, ranging from 18.00 to 269.69 mg·m -2·h -1 during the growing season.
    在水稻生长期内,稻田土壤CO2排放通量在18.00~269.69mg·m-2·h-1之间波动,平均排放通量为121.76mg·m-2·h-1。 在日的时间尺度上,水稻田土壤CO2排放通量与5cm土壤温度存在显著的指数函数关系;
短句来源
    Rice root biomass and 5 cm depth soil temperatures were the major factors influencing soil CO_2 emissions during the entire growing season.
    而从整个生长期时间尺度上看,水稻田土壤CO2的排放通量主要受到5cm土壤温度和水稻地下生物量的影响。
短句来源
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  paddy field
Off-line experiments have been conducted with IAP94 land surface model on different surface types (cropland, forest and paddy field) in different seasons (spring, summer and autumn) over the Huaihe River basin.
      
Pronounced concentration-dissipation law of total function score value occurs in paddy field units, with three ranges, i.e., 79~68.5, 68.5~59 and 59~51.
      
Paddy field quality is divided into three gradations, and the scales are 18 220.9 ha, 5410.6 ha and 2890.9 ha.
      
A 21-day laboratory incubation experiment was conducted to investigate the impact of pesticides (insecticide, herbicide, fungicide) on paddy field soil health under controlled moisture (flooded soil) and temperature (25°C) environment.
      
N2O emission from paddy field under different rice planting modes
      
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  rice field
In the rice field methane is produced in the soil layer with depths of 2-25 cm.
      
The degradation of pencycuron in waterlogged tropic rice field was investigated.
      
To determine oogenesis in first-generation females (summer females) and its relations to temperature, females were collected from a rice field in early and mid-July and reared on young rice plants at 28, 31 and 34°C in the laboratory.
      
Carp of about 150 mm body length were released in small plots set in a rice field in southern Japan at 0, 0.2, or 0.6 carp/m2.
      
In the present study, we examined the role of leucine-enkephalin on moulting and vitellogenesis of the fresh water rice field crab, Oziotelphusa senex senex.
      
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  paddy-field
These results suggest that the paddy-field electricity-generation system was an ecological solar cell in which the plant photosynthesis was coupled to the microbial conversion of organics to electricity.
      
The yield response to N application (40 kg N ha-1) in these six paddy-field trials was not significant.
      
Problems caused by water shortage in a paddy-field district with a pipeline network system are different from those in a district with an open channel system.
      
A benefit incidence analysis on the far-reaching effects of paddy-field consolidation projects
      
A paddy-field consolidation (PC) project was carried out with large subsidies as a public investment by prefectural governments in order to improve agricultural productivity in Japan.
      
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In this paper. the evapotranspiration and supplementary water requirement of paddy fields for different cultivating periods in China are estimated from heat and water balance climatological methods. The results may be summarized as follows: (1) The net radiation (R_0), evapotranspiration (E) and radiative dry index (R_0/Lr) of paddy fields for different cultivating periods in China are shown below: (2) The critical radiative dry index (R_0/Lr)_c needless of irrigation rapidly decreases with the increasing of...

In this paper. the evapotranspiration and supplementary water requirement of paddy fields for different cultivating periods in China are estimated from heat and water balance climatological methods. The results may be summarized as follows: (1) The net radiation (R_0), evapotranspiration (E) and radiative dry index (R_0/Lr) of paddy fields for different cultivating periods in China are shown below: (2) The critical radiative dry index (R_0/Lr)_c needless of irrigation rapidly decreases with the increasing of percolation (P), and the slope of the correlative curve between (R_0/Lr)_c and P gradully decreases with the increasing of R_0. In present condition of rainfall ultilazation, the irrigation is necessary at any place and in every cultivating period according to (R_0/Lr)_c of the paddy fields during the cultivating period. (3) The supplementary water requirment (M) of paddy fields during the cultivating period increases with increasing of P and R_0/Lr, but it increases more rapidly in case of R_0/Lr below 1.0 than that above 1.0. (4) The calculation shows that the ratio of the area of catchment to the area of paddy field (A_c/A_f) also rapidly increases with R_0/Lr and P.

本文根据热量平衡与水分平衡的气候学方法估算了我国各种造别水稻田的蒸散量与灌溉量。结果可总结如下: (1)我国各种造别水稻田的辐射平衡(R_0)、蒸散量(E)和干燥度(R_o/L_r)如下表一所示: 表一: (2)不需灌溉的临界干燥度(R_0/L_r)_c随渗透量(P)的增大而迅速减小,但(R_o/Lr)_c和P的相关曲线的陡度则随R_0的增大而逐渐减小。根据水稻本田生长期的(R_0/L_r)_c判断,在目前的雨量利用情况下,任何地点、任何造别的水稻田灌溉都是必需的。 (3)水稻本田生长期的灌溉量(M)随P和R_0/L_r而增大,但这种增大在R_0/L_r小于1.0的范围内比在R_0/L_r大于1.0的范围内要快。 (4)计算表明,集水域面积与水稻田面积的比值(Ac/A_f)同样随R_0/L_r和P而迅速增大。

improving the field condition is an important factor for the increase of rice yield.High yield paddy field should possess the following characteristics, thick and fertile soil horizon,desirable soil structure, good drainage and irrigation facilities, low ground-water level and abundant soil organic matter,

改善田间条件是水稻增产的重要因素.高产水稻田应具下列特点:土层厚而肥,土壤结构良好,排灌系统良好,地下水位低和富于有机物质.全年的品种安排趋向于向一年的中间靠拢.这样安排可避过早春和晚秋的寒冷天气和利用夏天高温强光的好环境.培育壮秧是早、晚稻的高产的前提.预防由低温引起的烂秧是早稻育秧过程的首要问题.基于对水肥需要不同,水稻在本田的田间管理可分为三个时期:前期的田间管理是促进分蘖生长,以获得足够的有效分蘖;中期要控制水稻群体的发展,抑制无效分蘖,养分集中供穗分化用;后期则要维持根和叶的活动,使结实粒多、粒重.深施肥料无论在植株生长或产量方面都比表施为佳.与表施相比,深施有许多优点,如减少氮素损失,供肥稳而长久,增加根的生长和活性等等.与常规品种相比.杂交稻具很强的分蘖特性、故宜疏播、疏植、多施肥料.

The International Rice Research Institute (IRRI) developed a new rice cropping pattern of continuous year-round farming after five years' investigation on the various rice cropping systems of South-eastern Asian countries.Rice fields are divided into several plots of about equal size according to the growing duration of the varieties used. A definite amount of seed beds and strict daily work schedules of a week are needed in this method so that rice is seeded, transplanted and harvested once a week.This is a...

The International Rice Research Institute (IRRI) developed a new rice cropping pattern of continuous year-round farming after five years' investigation on the various rice cropping systems of South-eastern Asian countries.Rice fields are divided into several plots of about equal size according to the growing duration of the varieties used. A definite amount of seed beds and strict daily work schedules of a week are needed in this method so that rice is seeded, transplanted and harvested once a week.This is a highly intensive rice cropping system,in which rice can be multiply cropped as high as four times a year without causing heavy stress on labors, machines and other resources. At the same time stable increases in yield and income can be expected.The year-round rice farming opens a new prospect and offers suggestions for the reformation of the rice cropping system in the southern regions of our country especially those with similar conditions.

国际水稻研究所(IRRI)在研究总结东南亚热带地区水稻周年生产的各种方式后,经过5年试验,提出一种水稻连续生产的种植模式。 水稻田划分为若干相等的小区,配以一定面积的秧田,并拟订每周每日的工作计划,使稻田每周播种一次,移栽一次,收获一次。 水稻周年种植法是一种高度集约的稻田种植制度,每年可复种水稻四次,且又可均匀使用劳畜力、机具及其他资源,并成倍地提高产量和收益。 水稻周年种植法提出了一种改革稻田种植制度的前景,对我国南方稻区,尤其是具有类似条件地区的水稻种植方式具有一定的启发性。

 
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