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- mean soil temperature 平均土温
- Soil temperature was not controlled in our study. 我们的研究里没有对土壤温度做对照试验。
- The soil temperature regime in Beijing belongs to mesothermal category. 北京土壤温度属温性土壤温度状况。
- Plastic mulch increases soil temperature in the bed which promotes faster crop development and earlier yields. 塑料薄膜覆盖提高苗床的土壤温度，促进作物较快发育并提早成熟。
- Climb the number that raise to mean soil erosion and the austere condition that land changes dene ceaselessly, zoology safety of the country is browbeaten badly. 不断攀升的数字意味着水土流失和土地沙化的严重形势,国家的生态安全受到严重威胁。
- Meanwhile, the soil temperature under NTS affected the dry material accumulation of the crop. 同时，免耕覆盖下的土壤温度影响到作物干物质的积累。
- Dissipation increased with soil temperature and decreased with increasing depth in the soil profile. 消散随土温增加，随土壤剖面变深而减少。
- Emergence does not only depend on soil temperature but also a function of variety. 出苗不仅取决于土壤温度，而且还取决品种的特点。
- The reason was that it coud collect small rainfall, increase soil temperature, and modify micro-organism etc. 该技术的经济效益高，其增产机理表现在微地形集流渗水、地积温增加、作物根际微生态环境改善三个方面。
- The relationship of soil temperature,soil humidity,seeding time and occurrence of maize head smut were studied. 试验主要研究土壤温度、湿度及播种期与玉米丝黑病发生的关系。
- A soil temperature in the hotbed between 70 and 75 degrees Fahranheit is ideal for planting most seeds. 苗床土壤温度在华氏70至75度之间对培育大多数种子最为理想。
- Mulches keep the soil cooler in the summer and warmer in the winter, thus maintaining a more even soil temperature. 夏天，覆盖物可以保持土壤温度低一些，而在冬天又可以让土壤温度高一些。使土壤温度变化趋于缓和。
- Temperature, especially where low soil temperature may reduce available soil K and its absorption by plants. 温度，尤其是当土温低，可能减少土壤有效钾和植物对其吸收的地方。
- I think the fertilizer and the soil temperature may be two factors why the osmanthus growing in the grow can not bloom as often as pot-grown ones at my place. 我想肥料和土壤温度;或许就是我地植桂花;不似盆栽桂花常开花的两个原因吧.
- Knoepp J D,Swank W T.Using soil temperature and moisture to predict forest soil nitrogen minerlization[J].Biol.Fert.Soils,2002,36:177-182. 巨晓棠李生秀.;土壤氮素矿化的温度水分效应[J]
- On the seasonal dynamics of mean soil moisture 论平均土壤水汽的季节性动力学
- Effect of soil temperature, soil water status and soil texture on the decomposition was functioned by the? f T,f W and f S?,respectively. f T、f W 及 f S分别为土壤温度、水分及质地对有机碳分解的影响函数 ,它们通过对不同有机物料在实验室控制条件下的培养测定结果得以确定。
- By studying on soil thermal effects under No-Tillage with Sraw mulch (NTS), regulation of soil temperature variation was obtained. 摘要通过对免耕覆盖条件下土壤温度的研究，揭示了该条件下土壤温度的变化特点。
- What is the mean temperature in that locality? 那个地方的平均气温是多少?
- Mulch color largely determines its energy-radiating behavior and affects mulch surface temperature and the underlying soil temperature. 薄膜的颜色在很大程度上决定着能量辐射行为并影响薄膜表面及其下土壤的温度。
