土壤生物活性

科尔沁沙质草地沙漠化过程中土壤生物活性的变化

Changes of soil biological activity in desertification process of Horqin sandy grassland

植物固沙工程对土壤生物活性的影响

Effects of plant sand-fixation engineering on soil biological activity

Cd胁迫下稻田土壤生物活性与酶活性综合研究

Effects of Cd ~ ( 2 + ) on the Biological Activities and the Enzyme Activities in Submerged Paddy Soil

其中，上壤呼吸释放CO2是大气温室气体CO2的重要来源，也是描述土壤生物活性和土壤肥力的重要指标。

Soil was the important source of atmosphere CO2 , and soil respiration was also an important index of soil fertility and soil biological activity .

氯苯、对硝基酚对土壤生物活性的影响短乳杆菌（LactobacillusbrevisLT-3）降解邻硝基苯酚的特性研究

EFFECT OF CHLOROBENZENE AND NITROPHENOL ON SOIL BIOLOGICAL ACTIVITY Study on the Biodegradation of o - Nitrophenol by Lactobacillus brevis LT-3

呋喃丹与稻田土壤生物活性的相互影响

Interation of Carbofuran and Activity of Soil Microorganisms in Paddy Field

天然草原施用稀土微肥的土壤生物活性效应

Soil Microbial Activities in Natural Grassland Receiving Rare - Earth Elements

土壤生物活性有机碳库及其表征指标的研究

The size and characterization of biologically active organic carbon pool in soils

苹果园土壤生物活性及土壤镉行为的生物调节

Biological Modulation of Soil Biological Activity and Action by Cadmium in Apple Orchard

长期不同施肥土壤生物活性研究

Study on Soil Biological Activity of Long-term Different Fertilization

蓄水覆盖丰产沟土壤生物活性初探

Study on activities of soil organism of storing water and covering high yielding ditch

锌对土壤生物活性的影响

Effect of Zinc on Soil Biological Activity

菜籽饼对土壤生物活性和氮磷转化的影响

Effects of Rapeseed Cake on Biological Activities and Transformations of Nitrogen and Phosphorus in Soil

内蒙古草原与荒漠地带土壤生物活性强度的研究

Studies on the biological activity intensity of the steppe and desert soils of Inner Mongolia

科尔沁草甸草地不同利用方式对土壤生物活性的影响

Effects of Different Land Use of Meadow Grassland on Soil Biological Activities of Horqin Region

玉米苗期施用缓/控释氮素肥料养分释放特点与土壤生物活性研究

The Study about Characteristics of Releasing Nutrition and Soil Biological Activities at Maize Seedling Stage for Using Slow / controlled Release Nitrogen Fertilizers

氮磷钾复合生物菌肥对于土壤生物活性、土壤肥力和作物生长的促进作用在水分含量9%～20%范围均表现出一定的效果，但以13%～16%范围效果尤为突出。

It was manifested certain effect that the promotive function of combined biological-bacteria fertilizer when soil moisture content varied from 9 % to 20 % .

芝麻饼肥用量对烤烟根际土壤生物活性的影响

Effect of cake seed sesame fertilizer on soil microbe in root system of flue-cured tobacco Effects of Sesame Cake Fertilizer on Soil Biological Activity in the Rhizosphere of Flue-cured Tobacco

结果表明，各供试稀土盐配合物在浓度小于1.5mg/g时对土壤生物活性影响不大。

The result of the determination shows that the coordination complexes of rare earth used on experiment , when their concentration is less than 1 . 5 mg / g , have little effect on biological activity of the field soil ;

角蛋白在降解过程中可提高土壤内生物活性，使土壤中矿质氮增加、呼吸作用增强，同时还可以调节土壤pH值，提高土壤中的阳离子交换容量。

Keratin in degradation improves microbe activity , mineral nitrogen and soil respiration . However the pH of soil can be adjusted and the IEC can be improved .

由此可见，固氮菌肥料对于土壤的生物活性、土壤肥力和作物品质的促进作用在土壤施氮量为0.05～0.20g/kg范围内均表现出明显效果，但以0.15g/kg效果最为突出。

In a word , the effect of azotobacter fertilizer on living activity , soil fertility and crop quantity is Significant within the scope of 0.05-0.20g/kg of using nitrogen in the soil , and the effect is most prominent at the level of 0.15g/kg of using nitrogen .

草原蘑菇圈土壤生物化学活性的比较研究

A Comparative Study on Biochemical Activities in Soil Around the Fairy Rings in Grassland

西安市郊区污灌对土壤某些生物活性的影响

The Influence of Sewage Irrigation Upon the Soil Biological Activity in the Suburbs of Xian

相关分析表明，不同的植物组合处理中土壤中的生物活性（脱氢酶活性和水溶性酚总量）与土壤中残余的菲、芘量之间具有非常好的负相关关系（P＜0.01）。

The correlation analysis indicated a significant inverse relation ( P 0.01 ) between biological activities ( dehydrogenase activity and water-soluble phenolic compounds ) and residual concentrations of phenanthrene and pyrene in soils planted with different plant combinations .

免耕法对土壤微生物和生物活性的影响

Effect of zero tillage on soil microorganisms and biological activity

丰产大豆土壤的生物化学活性

Biochemical activities of soils possessing high yield of soybean

四种人工固沙植物群落对土壤养分及生物活性的改良作用

Improvement Effects of Four Plantations for Sand-fixation on Soil Nutrient Contents and Biological Activities

科尔沁沙地不同人工植物群落对土壤养分和生物活性的影响

Effects of Artificial Sand-Fixation Communities on Soil Nutrients and Biological Properties in Horqin Sandy Land

不同种植年限蔬菜日光温室土壤养分与生物活性研究

The research on soil nutrition and biology activity in the sunlight greenhouse of different cultivation years

土壤生物和酶活性在改善土壤结构、养分循环、有机质分解和保持中起重要作用。

Soil organisms as well as enzyme activities perform important functions in soil , including structure improvement , nutrient cycling , and organic matter decomposition and retention .