A field experiment was conducted to reveal the residue dynamics of acetamiprid in orange and soil.
采用田间试验方法，研究了莫比朗在柑桔和土壤中的消解动态和最终残留。
A field experiment was carried out to evaluate the sensitivity of quinclorac in different corn cultivars.
通过田间试验中，研究了二氯喹啉酸对不同品种玉米的敏感性差异。
Besides Banerjee and Olken, the authors of the paper, “Targeting the Poor: Evidence from a Field Experiment in Indonesia,”
除了论文的作者本雅明和奥尔肯，“针对贫困：印尼田野实验的证据，”
A field experiment was conducted to study the effect of new potato specific fertilizer on the yield and quality of potato.
通过马铃薯田间小区试验，研究新型专用配方肥对马铃薯产量和品质的影响。
A field experiment was conducted to study effects of fertilizer combination on yield, quality and forms of nutrients in leaf of lettuce.
采用田间小区试验研究了不同肥料组合对莴笋产量、品质和叶片养分形态的影响。
A field experiment was conducted to analyse the dynamics of biomass yield and n, p, K absorption by maize under different planting systems.
采用田间小区试验方法研究了不同种植方式下玉米产量，干物质积累动态和养分吸收动态变化特点。
A field experiment was set up to study the effect of different nitrogen application levels and density levels on root in peanut seedling stage.
通过大田试验研究不同密度和氮肥水平对花生苗期根的影响。
A field experiment was conducted to study the influence of black fluid-film mulched covered winter wheat in dry land on soil microhabitats and yield.
采用田间小区试验研究了黑色液膜覆盖旱地冬小麦对土壤微生境及产量的影响。
To investigate the changes of soil hydrolase activities under application of corn straws with manure, N and P fertilizer, a field experiment was conducted.
通过田间试验，进行了玉米秸秆与厩肥、N肥和P肥配合施入农田后土壤中水解类酶活性变化的研究。
A field experiment was conducted to study the effects of 4 compound nitrogen fertilizer synergists on the growth and yield of maize and urea-N utilization by it.
在大田小区试验条件下，研究了复合氮肥增效剂对玉米生长、产量和尿素氮利用的影响。
A field experiment shows that the rotary jet pulse ventilation is very effective for prevention and control of gas accumulation in the upper corner of coal faces.
现场试验表明，环绕射流脉冲通风对治理上隅角瓦斯积聚的效果良好。
A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过田间试验研究了返青期不同程度根修剪处理对冬小麦群体结构、土壤水分及产量形成的影响。
A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过盆栽试验研究了根修剪对冬小麦根系效率、水分利用及产量形成的影响。
A field experiment was conducted on a Hongyou soil of Yangling to investigate the effects of irrigation and nitrogen fertilization on wheat yield under straw mulch.
通过田间试验研究了杨凌红油土农田秸秆覆盖条件下冬小麦的水氮效应。
In a soil column culture and a field experiment, the comparison of root distribution of spreading-leaf and upright-leaf maize cultivars in Songnen Plain was studied.
采用土柱模拟栽培法与大田试验相结合的方法，对松嫩平原不同株型玉米的根系分布特征进行了比较。
A field experiment was conducted to investigate the nitrogen transform of different organic manures in soil, and its effects on the growth and quality of strawberry.
土壤中硝态氮和铵态氮的含量直接影响着作物的生长和品质。通过田间试验研究了不同有机肥料氮素在土壤中的转化及其对草莓生长和果实品质的影响。
A field experiment was conducted to investigate the development rule of rice sheath blight in rice-duck-fish complex ecosystem. A model was established based on experiment data.
通过田间试验，对稻-鸭-鱼共栖生态系统中水稻纹枯病的发生规律进行了研究并建立了相应的数学模型。
A field experiment was conducted to study the nutrient balance and economic benefit on winter-wheat and rice system with mid-stage effluent of ammonium sulfite method irrigation.
通过田间实验，研究亚铵法制浆中段水经土地处理的同时作为灌溉用水的农田养分平衡状况及经济效益。
A field experiment was conducted with rice plants to assess the effects of integrated fertilization on heavy metal balance in soil-rice cropping system and rice hygienic quality.
通过田间试验研究了有机无机肥配施对土壤-水稻系统重金属平衡的影响。
From 2002 to 2003, a field experiment on corn of Dianfeng 4 was carried out on the farm of Yunnan Agricultural University to study the photosynthesis indices for various tillage.
2002～2003年在云南农业大学农场采用滇丰4号玉米种，开展了不同耕作措施的玉米光合指标的研究。
With the buried glass filter paper bag method a field experiment was carried out in a tobacco field to study mineralization of green manure and its effect on tobacco leaf quality.
在田间条件下利用埋设玻璃滤纸包法研究了绿肥翻压后的分解规律及其翻压绿肥对烟叶品质的影响。
A field experiment was conducted to study the effect of different nitrogen and phosphorus level on total fresh weight and fresh weight of edible stems of Salicornia bigelovii Torr.
采用田间试验研究了不同氮磷水平对北美海蓬子生长和品质的影响。 结果表明，氮、磷肥及其适量配合施用，北美海蓬子的总鲜质量和菜用产量都显著或极显著增加；
The effects of proportional application of cake fertilizer and chemical fertilizer on leaf nitrate, nitrite and potassium of flue-cured tobacco were investigated in a field experiment.
通过大田试验，研究了饼肥与化肥配施对烤烟硝酸盐、亚硝酸盐及钾素的影响。
A field experiment was conducted to study the effects of irrigation during maturing stage on agronomic characteristics, chemical components and contents of flavor matter of flue-cured tobacco.
采用田间试验研究了成熟期灌水对烤烟农艺性状、化学成分和致香物质含量的影响。
An electric field pushes a flame away from a burner in a recent Harvard experiment.
在哈佛的一项近期实验中，一个电场把火焰从燃烧器上推开。
When you get into a new field, you start by getting a hang of the basics. You dabble, experiment, maybe read or research a little on the topic.
当你进入一个新的领域，开始掌握了一些基本的决窍，然后慢慢涉足，试验，或许再阅读和研究一些关于它的知识。
This experiment represents a point of unification between condensed matter research and the field of atomic science and lasers, and could influence areas such as data storage and medical diagnostics.
这项实验表明在凝聚态物质研究和原子物理、激光领域之间存在交叉的观点，并会影响诸如数据存储和医疗诊断等领域。
The aim of the field experiment was to investigate to what extent such a system could prevent soil degradation resulting from very intensive crop rotations.
此次田间试验的目的，是研究这一方法能在多大程度上防止由于精细的作物轮作所产生的土壤退化。
The aim of the field experiment was to investigate to what extent such a system could prevent soil degradation resulting from very intensive crop rotations.
此次田间试验的目的，是研究这一方法能在多大程度上防止由于精细的作物轮作所产生的土壤退化。
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