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。
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 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。
The effects of different transplanting depths combined with one-off double-layer fertilization on the growth of flue-cured tobacco and nutrient contents of soil were studied in the field experiment.
将施肥技术和栽培措施相结合，通过大田试验研究不同移栽深度结合一次性双层施肥对烤烟生长及土壤养分的影响。
The field experiment shows that the robot is moving flexibly, and the surface of metal tank is not pressed, it greatly increases the measuring efficiency and accuracy for large vertical metal tanks.
现场实验表明，该机器人不但运动灵活，而且解决了原样机在金属罐壁上的压痕问题，大幅度提高了大容量立式金属油罐的检定效率和检定精度。
Methods Lab, mimic sites and field experiment.
方法实验室、模拟现场及现场实验。
See detailed simulation and field experiment results in the text.
文中详细列举了模拟及矿场试验的结果。
A new antenna of Doppler acoustic rader was designed for convenience in field experiment.
为了便于野外试验，对多普勒声雷达天线作了重新设计。
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。
This article introduces the laboratory test, pilot production and field experiment of viscosity-reducer CT3-11.
本文叙述了降粘剂CT 3 - 11的室内研究、中试生产及现场试验内容。
Degradable films' effects on com growth and soil environment were studied by field experiment and pot experiment.
采用田间试验和盆栽试验研究可降解地膜对作物生长和土壤环境的影响。
In order to improve recovery factor, lab and field experiment have been carried out by using papermaking waste fluid.
为了提高采收率，利用造纸废液进行了室内实验和现场试验。
The design and field experiment of a digital temperature controller for a hot pressure welding machine was discussed.
针对热压焊机的温度控制问题，进行了数字控制器的设计与验证。
In simulating crop growth, ORYZA rice-growth model was selected and some parameters were modified by field experiment.
对于作物生长的模拟，选用了ORYZA水稻生长模型，并结合田间实验修改了其中一些参数。
Its array characteristic and principle are briefly introduced, and the field experiment result is analysed in this paper.
本文对这一系统的组合特点及工作原理作了简要的介绍，并对野外的初步试验效果进行了分析。
The study on the effect of potash fertilizer on potato yield was carried out through field experiment and comparing trial.
通过小区试验和大田对比试验，对马铃薯施钾的肥效效应进行了研究。
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。
The zero magnetic field experiment shows that the ULF received by instrument comes from the emission of underground object.
零磁场实验表明传感器在地面接收的超低频电磁波来自地下地层等地质体的辐射。
The influence of drip irrigation under film with saline water on growth and yield of cotton was studied through field experiment.
试验研究了膜下滴灌方式下持续利用咸水灌溉对棉花生长和产量的影响。
The effect of the soil conditioner MDM on ameliorating the meadow alkali soil was investigated by pot culture and field experiment.
通过盆栽及田间小区试验，研究了改良剂MDM对松嫩平原草甸碱土的改良效果。
Effects of different fertilizing modes on soil environment quality and crop yield of kailyard were studied through field experiment.
通过田间试验，研究了不同施肥方式对菜园土壤环境质量及作物产量的影响。
Researched effects of plastic film mulch on spring wheat growth and water use efficiency in different conditions by field experiment.
通过大田实验研究了不同条件下覆膜对春小麦产量与水分利用效率的影响。
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。
The dynamic changes of soil microbial biomass Carbon (c) and soil enzyme activities during growth of corn were studied in field experiment.
采用大田试验法研究了玉米生育期内土壤微生物量碳和酶活性动态变化特征。
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。
Under the field experiment conditions, effects of site-specific nitrogen management(SSNM)on grain yield and grain quality of rice were studied.
在大田试验条件下，观察了实地氮肥管理对水稻产量和稻米品质的影响。
This paper took field experiment for studying the effect of covering straw on some properties of mulberry soil fertility with long-term no-tillage.
应用田间试验的方法研究在长期免耕条件下覆盖对桑园土壤某些肥力性状的影响。
The effect of lignin and lignin-compound fertilizer on the yield of wheat was researched through field experiment in purple soil and moisture soil.
在潮土和紫色土两种土壤上，比较研究了硫代木质素及其复合肥料对小麦产量的影响。
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。
Combining with the engineering example, established the solute travel model, and used the field experiment data to verify the correctness of the model.
结合工程实践建立溶质运移模型，并通过现场试验的检验，验证模型的正确性。
应用推荐