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土壤有机p
相关语句
  soil organic p
     The results showed that red soil microbial biomass P was closely related with soil total P, soil organic P and soil rapidly available P. Relative coefficients were 0.840, 0.897 and 0.944, respectively.
     结果表明,红壤微生物量P与土壤全P、土壤有机P以及土壤速效P之间存在明显正相关,相关系数分别为0.840, 0.897和0.944。
短句来源
  “土壤有机p”译为未确定词的双语例句
     Variation of soil organic phosphorus fractions, and relationship of organic P and its fractions, with soil organic matter and readily available P were studied with Bowman-Cole method.
     采用Bowman和Cole提出的有机P分组方法,对长期施肥条件下土壤有机P的组成变化以及有机P及其组分与有机质、速效P的关系进行研究。
短句来源
     Concentrations and mineralization processes of organic phosphorus (Po) fractions in soils mixed with different organic materials (straw of rice and maize, manure of cattle and pig) of different C/N were studied by aerobic incubation experiment at 30℃ for 300 d.
     通过300天室内恒温(30℃)好气培养实验,研究了不同C/N有机物料(水稻秸秆、玉米秸秆、牛粪、猪粪)掺入土壤后,土壤有机P及各组分含量和有机P的矿化特征。
短句来源
     Results showed that soil Po contents increased at different degrees after organic materials were mixed;
     结果表明:有机物料的添加,不同程度地增加了土壤有机P含量;
短句来源
     The contents of organic phosphorus fractions in the treatments mixed with organic materials increased;
     掺入有机物料处理土壤有机P各组分含量均有所增加;
短句来源
  相似匹配句对
     A research review on soil active organic carbon
     土壤活性有机
短句来源
     Organic Agriculture and Soil Biodiversity
     有机农业和土壤生物多样性
短句来源
     ORGANIC ELECTROLUMINESCENCE DISPLAYS
     有机电致发光显示
短句来源
     Organic Peroxides
     有机过氧化物
短句来源
     soil fertility;
     土壤肥力;
短句来源
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  soil organic p
Liming may have altered the potential availability of soil organic matter and organic P, as shown by a marked reduction in the extractability of soil organic P with sodium bicarbonate and sodium hydroxide.
      
This data confirmed that overall rates of soil organic P mineralisation are greatest in spring.
      
Microbial uptake of P and its subsequent release and redistribution play a central role in the soil organic P cycle.
      
In contrast, most soil organic P was bound toAl and Fe minerals.
      
Our results suggest that organisms able to use recalcitrant soil organic P may have a competitive advantage in environments under enhanced atmospheric N deposition.
      
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red soils differing in fertility levels were tested to study the relationships between soil microbial biomass P and soil P or P plant-availability. The results showed that red soil microbial biomass P was closely related with soil total P, soil organic P and soil rapidly available P. Relative coefficients were 0.840, 0.897 and 0.944, respectively. Especially, the significant relation of red soil microbial biomass P to soil rapidly available P suggested that red soil microbial biomass P may act as an indicator...

red soils differing in fertility levels were tested to study the relationships between soil microbial biomass P and soil P or P plant-availability. The results showed that red soil microbial biomass P was closely related with soil total P, soil organic P and soil rapidly available P. Relative coefficients were 0.840, 0.897 and 0.944, respectively. Especially, the significant relation of red soil microbial biomass P to soil rapidly available P suggested that red soil microbial biomass P may act as an indicator of P-supply ability. Greenhouse incubation expriments showed that red soil microbial biomass P was also closely related with ryegrass dry matter yield, ryegrass P uptake and P uptake per unit weight of ryegrass. Relative coefficients were 0.789, 0.895 and 0.910, respectively, which indicated that P plant-availability of red soil microbial biomass P was not only reflected on ryegrass dry matter and plant P uptake,but also more obviously reflected on P uptake per unit weight of plant.

对有机质水平差异较大的7种菜茶果园红壤和1种红壤性水稻土进行了微生物量P与土壤P以及P植物有效性之间的相关性研究。结果表明,红壤微生物量P与土壤全P、土壤有机P以及土壤速效P之间存在明显正相关,相关系数分别为0.840, 0.897和0.944。红壤微生物量P尤以与土壤速效P关系最为密切,红壤微生物量P有可能作为红壤供P能力的一个活指标;盆栽试验表明,微生物量C与黑麦草产量呈显著正相关,与黑麦草吸P量以及单位黑麦草吸P量相关性不明显;而微生物量P与黑麦草产量、黑麦草吸P量以及单位黑麦草吸P量之间均呈显著正相关,相关性依次增强;红壤微生物量P在指示土壤植物有效P上的作用不仅体现在植物的产量和植物吸P量上, 更体现在植物的品质~单位重量植物的吸P量上。

In order to study whether there is genetic diversity among AMF in utilizing soil organic phosphate, a pot experiment was carried out to study effect of arbuscular mycorrhizal fungus (Glomus Mosseae, Glomus Versiformea, Gigaspora Margarita and Gigaspora Rosea) on acid and alkaline phosphatase activities and soil phosphate in the rhizosphere of clover. The pot was separated by 30靘 nylon net into three compartments. the central one was for root growth, and the other two for hyphal growth. The two outer compartments...

In order to study whether there is genetic diversity among AMF in utilizing soil organic phosphate, a pot experiment was carried out to study effect of arbuscular mycorrhizal fungus (Glomus Mosseae, Glomus Versiformea, Gigaspora Margarita and Gigaspora Rosea) on acid and alkaline phosphatase activities and soil phosphate in the rhizosphere of clover. The pot was separated by 30靘 nylon net into three compartments. the central one was for root growth, and the other two for hyphal growth. The two outer compartments were filled with soils collected from field plots either receiving chemical fertilizer or manure in a long-term fertilizer experiment. The treatments consisted of sterilized soil either uninoculated or inoculated with AMF. Soil phosphatase and phosphate were examined, separately, 9 weeks after sowing. The results showed that the activities of acid and alkaline phosphatase were increased with mycorrhizal inocunation. AMF Glomus increased soil phosphatase activity in the whole hyphae compartment. Soil phosphatase activities were higher in the Glomus hyphae compartment than in the Gigaspora hyphae compartment. While there was no difference between AMF of the same genus. Decomposition of organic phosphate compound was promoted by the AMF phosphatase efficiently.

以三叶草为材料,利用3室隔网培养方法,研究了4种AM菌根菌侵染三叶草后对根际土壤酸性和碱性磷酸酶活性以及菌丝酶活性对土壤有机P的影响。结果表明,接种AM菌根菌 (9周) 对根际土壤酸性和碱性磷酸酶活性均有增强作用,但作用强度主要取决于菌丝在土壤中的生长状况,Glomus属菌根菌在整个菌丝室 (0~6cm) 都影响土壤磷酸酶的活性,其活性在整个菌丝室中都比Gigaspora的高。同一属不同种的根际土壤磷酸酶活性差异不大。AM菌根根际土壤磷酸酶对土壤有机P的降解有很强的促进作用。

Variation of soil organic phosphorus fractions, and relationship of organic P and its fractions, with soil organic matter and readily available P were studied with Bowman-Cole method. The results showed that active Po, moderately active Po, moderately stable Po and highly stable Po accounted for 80.2%, 9.8%, 9.0 % and 2.0 % of total Po, respectively. And combined application of organic manure and inorganic fertilizer significantly increase contents of active Po, moderately active Po and moderately stable Po,...

Variation of soil organic phosphorus fractions, and relationship of organic P and its fractions, with soil organic matter and readily available P were studied with Bowman-Cole method. The results showed that active Po, moderately active Po, moderately stable Po and highly stable Po accounted for 80.2%, 9.8%, 9.0 % and 2.0 % of total Po, respectively. And combined application of organic manure and inorganic fertilizer significantly increase contents of active Po, moderately active Po and moderately stable Po, but decreased highly stable Po. Application of chemical fertilizer increased total amount and activity of Po. and content of moderately active Po, but decreased contents of highly and moderately stable Po, and had no significant influence on distribution of Pofractions. Activity and moderately active Po showed positive relationship with readily available P, organic matter and total organic P, whereas moderately and highly stable Po had nothing to do with readily available P and organic matter.

采用Bowman和Cole提出的有机P分组方法,对长期施肥条件下土壤有机P的组成变化以及有机P及其组分与有机质、速效P的关系进行研究。结果表明,活性、中等活性、中等稳定性、高等稳定性有机P分别占有机P总量的 80.2%、9.8%、9.0 %、和2.0 %。有机无机肥配施可明显增加土壤有机P及活性、中等活性有机P、中等稳定性有机P含量,减少高等稳定性有机P含量。施肥对有机P各组分剖面分布规律影响不大。活性、中等活性有机P与速效P、有机质、有机P总量呈显著正相关,中等稳定性、高等稳定性有机P与速效P、有机质不相关。

 
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