不同土壤的矿质养分含量增加可降低稻米垩白;
The increased content of the soil mineral nutrients could reduce chalkiness rate of rice.
不同土壤剖面大孔隙的数量和孔隙体积相差很大。
There was much difference in quantity and volume of macropore in the profiles of the three soils.
不同土壤类型平均重金属含量和变异系数差异均较小。
The differences of average contents and the variable coefficient of the heavy metals in different types of soil are smaller.
讨论了不同土壤光谱线对绿度及植被覆盖度估计的误差。
The influence of different soil spectral line on plant canopy and greenness assessment was discussed.
结果表明,厌氧培养条件下不同土壤中有效磷的释放不同。
The results showed that the release of available phosphate was different in different slurries.
研究不同土壤中,氯氰菊酯降解变化和对土壤酶活性的影响。
The degradation of cypermethrin in different soils and the effect of cypermethrin on different soil enzymatic activity are conducted.
用有效态铅为指标有可能使不同土壤铅临界浓度比较接近一致。
Available Pb may unify the critical concentration of Pb in various soils.
这个专业学习化学,生物,用途,管理,以及不同土壤的保护等。
Soil science majors learn about the chemistry, biology, use, management, and conservation of different kinds of soil.
对不同土壤干旱条件下刺槐幼苗水分生理和生长指标进行了初步研究。
The water physiology of locust seedling under conditions of different drought stress was tested.
森林土壤类型极其复杂,不同土壤中各种有效养分形态和数量差异很大。
The forest soil's type was extremely complex, the shape and quantity of available nutrient had a distinct difference in different soil.
从不同土壤提取的表层土壤应分开储存,并用同一区域的土壤进行更换。
Topsoil from different soil types shall be stockpiled separately and replaced in the same areas from which they were taken.
利用防雨设施研究了不同土壤目标含水量对夏玉米光合性能及产量的影响。
The effect of different target water content in soil on the photosynthetic property and yield of summer sowing corn was studied under the rain proof condition.
同一组分无机磷释放量占无机磷释放总量的贡献率在不同土壤上也不一致。
The rates between the release of the same form of Pi to the total one of Pi in different soils were also various.
采用盆栽试验对不同土壤干旱程度下刺槐幼苗水分生理特征进行了初步研究。
This paper deals with the water physiology and growth characteristics of locust seedling under the soil drought condition.
不同土壤钾的释放差异很大,钾的释放持续时间变幅为100~600分钟;
The soils differed greatly in native K release process. The K releasing time ranged from 100 to 600 minutes.
用盆栽法,研究了黑色石灰土、紫色土、黄壤三种不同土壤类型对南天竹的影响。
Heavenly bamboo was planted to POTS with three different types of soil (black limestone soil, yellow soil and purple soil) in order to study the differences of heavenly bamboo.
垂直侵蚀随降雨强度、降雨历时的增加而增加,不同土壤的侵蚀临界降雨量不同;
The extent of vertical erosion increases with precipitation, rainfall intensity and soil infiltration rates, and different soil has different critical rainfall amount.
采用盆栽试验对不同土壤干旱程度下刺槐幼苗水分生理和生长指标进行了初步研究。
This paper deals with the water physiology and growth characteristics of locust seedling under different soil drought.
研究了在不同土壤类型条件下连种抗病品种和感病品种后,大豆孢囊线虫数量变化。
Resistant and susceptible varieties of soybean were planted continuously in different types of soil and the number of cyst nematode in the root system was counted.
此外,不同土壤上同种作物的根系生物产量、根系活力与作物吸钾量间也呈正相关。
There was also a significant correlation between the root activity, root weight and soil potassium uptake of the same crop.
对不同土壤类型碳密度随时间的变化,用回归分析的方法,建立土壤碳密度变化模型。
The soil carbon density change model is based on regression analysis of the carbon densities of different soils.
采用盆栽试验的方法,研究了不同土壤干旱条件下渭北主要造林树种苗木根系活力的变化。
Under different conditions of soil moisture, seedling root vigor was studied for major tree species planted in the Weibei Loess Plateau by means of a pot experiment.
蚕豆在不同土壤干旱条件下的盆栽试验结果表明,蚕豆对土壤干旱胁迫有一定的适应能力。
The pot culture experiment of Vicia faba L. seeded in different soil drought shows that Vicia faba L. has certain adaptability .
用该装置实际进行了不同土壤含水量和不同土壤密度要求的土样制备,得到了满意的结果。
Last, the device was used to prepare the soil samples with different density, and the satisfied results were reached.
本文介绍了除草剂氟乐灵在室内外条件下不同土壤中的降解动力学特征及其主要影响因素。
This paper deals with the dynamics of trifluralin degradation and its main affected factors in soils under field and pot experimental conditions.
安普霉素对不同土壤中对真菌的抑制作用,随药物质量分数的降低和作用时间的延长而降低。
Apramycin's inhibitive effect on fungus is related to its concentration in the soil and decreases with time in soil.
为了解决高羊茅冷季型草种在武汉安全越夏的问题,进行了高羊茅草坪不同土壤基质对比试验。
To solve problem for safe over summering of cool-type tall fescue in Wuhan, we carried in a contrast test on lawn of tall fescue over different soil matrixes.
不同处理及不同土壤类型之间在孔隙周长、孔隙度以及孔隙变异度和复杂度方面存在不同程度的差异。
There are discrepancies of various extents in pore perimeter, porosity, variability and complexity in different soils under different treatments.
采用浇灌法分别测定了不同土壤含沙量和含水量条件下JS913对稗草的除草活性和对玉米的安全性。
Biological activities of a herbicidal compound JS913 to barnyard grass and corn in soils with different sand or water content were studied by pre-emergence watering application method.
但由于微咸水中含有各种盐分离子影响土壤入渗特征,并对不同土壤初始含水量会表现出不同影响程度。
Some salt ion in the slight saline water will affect soil infiltration, when the slight saline water is used to irrigate the farmland.
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