高产稻田土壤硬度和容重比对照田块的低。
The hardness and density of high yielding soils were lower than those of the control plot soils.
对稻田土壤施外源氮对氮素矿化的影响进行了研究。
The influence of applying nitrogen fertilizer to nitrogen mineralization was studied in paddy soil.
研究了除草剂苯噻草胺对水稻田土壤呼吸强度和酶活性的影响。
This paper deals with the influences of herbicide mefenacet on soil respiration and the activities of dehydrogenase, catalase , urease, proteinase and phosphorylase in paddy soil.
在不同施肥及水稻品种的稻田土壤中也观测到不同的甲烷产生率。
Different methane production rates are found in the paddy fields treated by different fertilizers and rice varieties.
报道了对江苏省苏南地区稻田土壤和稻粒中农药残留采样调查结果。
The present paper reports the results of pesticide residues in paddy soils and rice in the South of Jiangsu Province.
通过田间试验对湿地稻-鸭复合生态系统的稻田土壤质量进行了研究。
The quality of paddy soils in a wetland rice-duck complex ecosystem was studied by plot experiments.
与常规水作相比，覆膜旱作稻田土壤容重有所下降，总孔隙度增加显著；
The results were as follows:Compared with conventional flooded paddy soils, rain fed and mulching plastic film slightly reduced bulk density, increased total porosity of the soils.
对稻田养鱼(垄稻沟鱼)后的稻田土壤、田水、水稻植株、稻米蛋白质等进行了测定。
The soil, field water, rice plant and protein in rice grains were analysed and determined after fish cultured in paddy field (rice on the ridge and fish in the furrow).
研究了稻田施用氯氟吡氧乙酸后，其在水稻植株、糙米、稻壳、稻田土壤和田水中的残留动态。
Residue decline dynamics of fluroxypyr in rice plant, rice and rice hull, paddy soil and water was reported.
方法以绰墩遗址埋藏的古稻田土壤为研究对象，根据14C和考古学方法确定了土壤成土年龄和分布；
Soil age and the distribution of buried ancient paddy at Chuodun site in Yangtze River Delta were determined using 14C dating and other archeological methods.
本文着重对节水灌溉稻田土壤大孔隙分布不确定性研究，为大孔隙流研究工作进一步开展奠定了基础。
This paper emphatically studied uncertainty distribution of macropore in paddy soil, laid the foundation of further research on macropore flow.
研究了提取浓缩和毛细管电泳相结合测定稻田土壤中低剂量多个磺酰脲类除草剂混合残留的分析方法。
A low level multi sulfonylurea herbicides residue analytical method based on extraction enrichment combined with capillary electrophoresis was studied.
试验应用地理信息系统和地统计学方法对铁岭凡河稻田土壤有效中量、微量元素的空间变异特征进行了研究。
Combined with GIS geography statistic was applied to analyze the spatial variability of soil available medium-microelements of the paddy yield in Fanhe township of Tieling county.
如果全量秸秆还田结合冬季种植绿肥，土壤饱和固碳量则可以在稻田土壤现有碳储量的基础上平均提高65．77％。
The saturated carbon storage of 100% straw combined with green manure incorporation was 65.77% higher than that of current carbon storage.
结果表明，水稻田土壤有机碳、全氮和全磷含量水平均较高，水田改为旱地后土壤有机碳、全氮含量及C/N比值有较大幅度的下降，但全磷含量变化不大。
The results showed that the content of SOC, STN and STP had a high level in the paddy soil, but SOC and STN(except STP) decreased greatly after being changed to arid land.
调查结果表明，由于地区间土壤种类、酸碱度、地势差异，上海稻田杂草的分布和危害有明显区域性。
The surveys showed that the weed distribution in rice fields in Shanghai was obviously various due to the differences of soil type, acid-base scale and terrain between areas.
用气相色谱法测定了田间试验中20%三唑磷乳油在稻田水、植株、土壤、稻壳和糙米中的残留。
The residues of 20% triazophos EC in rice field water, plant, rice shell and unpolished rice were determined by gas chromatography.
通过衍生化反应和气相色谱检测来测定稻田水、土壤样品中氟草烟的残留。
Determined the residue of fluroxypyr in paddy field water and soil by derivative reaction and GC.
研究了4%杀螟丹粒剂在水稻植株、稻米、稻壳、稻田水和土壤中的残留及消解动态。
The residue and degradation dynamic of 4% cartap in rice plant, rice, rice hull, paddyfield water and paddyfield soil was studied.
稻田养鸭、养鱼能明显改善土壤物理性状，提高土壤的通气性。
Raising duck or raising fish in rice field can clearly improve soil physics properties and the soil aeration.
晚稻田水和土壤中的氚浓度均随时间单调地减少；
The tritium concentrations in the second paddy water and soil were monotonously decreasing with time.
利用长期施肥模式定位试验，采用陶土管土壤溶液采集装置，研究了南方红壤丘陵区稻田不同施肥模式对农业水环境的影响。
Two filed experiments located at the south edges of the Loess Plateau were used to study the effects of different cultivation and fertilization models on contents of SMBC, SMBN, SOC and SON in soils.
由表层至底层，小叶章湿地土壤中汞含量变化不大，水稻田及玉米地中汞含量变化较大。
From the top layer to the bottom, the Hg content in the soils changed little in D. augustifolia marsh, but varied greatly in corn field and lowland rice field.
由表层至底层，小叶章湿地土壤中汞含量变化不大，水稻田及玉米地中汞含量变化较大。
From the top layer to the bottom, the Hg content in the soils changed little in D. augustifolia marsh, but varied greatly in corn field and lowland rice field.
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