Adsorption and desorption characteristics of soil phosphorus in calcareous fluvo-aquic soil under long-term fertilization;
长期施肥条件下石灰性潮土磷的吸附解吸特征
Effects of long-term fertilization on inorganic phosphorus fractions and availability in wheat rhizosphere in calcareous fluvo-aquic soil;
石灰性潮土长期定位施肥对小麦根际无机磷组分及其有效性的影响
Influence of low0-molecular weight organic acids on phosphorus adsorption-desorption by calcareous Chao soil;
低分子量有机酸对石灰性潮土磷吸附与解吸的影响
The capacity of calcareous meadow soil to nitrogen fertilizer in Beijing area was studied by a long-term fertilizer experiment under condition of winter wheat-summer corn→spring corn rotation.
本文在冬小麦-夏玉米→春玉米轮作条件下,通过肥料长期定位试验,研究了北京地区石灰性潮土对氮肥连续施用的环境承受力。
This experiment was done in the 26 years fixed position experiment of non-calcareous fluro-aquic soil during the year of 2003,12 treatments were designed: CK,N_1,N_2,M_1,M_1N_1K,M_1N_2,M_2,M_2N_1,M_2N_2,NPK,NP and NK.
基于非石灰性潮土26年的定位试验,在12个不同处理CK、N1、N2、M1、M1N1、M1N2、M2、M2N1、M2N2、NP2K、N2P和N2K中,于2003年研究了长期定位施肥对非石灰性潮土重金属状况的影响,结果表明,长期施肥和灌溉各处理土壤Fe、Mn、Cu、Zn含量均高于试验前的土壤,富集量分别为10。
This experiment was done in the 30 years fixed position experiment of non-calcareous fluro-aquic soil in 2007.
试验基于30a的长期定位试验,于2007研究了长期定位施肥对非石灰性潮土全硫动态变化的影响。
This study was conducted based on the 26 year positionfixed experiments of non-calcareous fluro-aquic soil,during two years of 2002 and 2003,12 treatments were designed: CK,N_1,N_2,M_1,M_1N_1,M_1N_2,M_2,M_2N_1,M_2N_2,NPK,NP and NK.
试验基于无石灰性潮土26 a的长期定位试验,在12个不同施肥处理CK,N1,N2,M1,M1N1,M1N2,M2,M2N1,M2N2,NP2K,N2P和N2K中,于2002年,2003年,研究了冬小麦—夏玉米轮作中土壤微生物、土壤动物的数量状况。
This experiment was done in the located fertilization experiment of non-calcareous fluro-aquic soil,the effects of long-term located fertilization on the status of phosphorus in soil was studied.
基于无石灰性潮土长期定位试验,研究长期施肥对土壤磷素状况的影响的结果表明,在无石灰性潮土上长期单施有机肥、有机—无机肥配施、氮磷钾配施能提高土壤Ca-P,Fe-P,Al-P的含量,降低O-P的含量。
This experiment was done in the 26 years fixed position experiment of non-calcareous fluro-aquic soil during the year of 2003,12 treatments were designed:CK,N_1,N_2,M_1,M_1N_1,M_1N_2,M_2,M_2N_1,M_2N_2,NP_2K,N_2P and N_2K.
在无石灰性潮土26年的定位试验进行过程中,在12个不同处理CK、N1、N2、M1、M1N1、M1N2、M2、M2N1、M2N2、NP2K、N2P和N2K中,于2003研究了长期定位施肥对非石灰性潮土0~100 cm土层NO3--N动态变化的影响,结果表明,长期单施有机肥及其配施无机氮肥,氮磷钾或氮磷以适当比例配施,可减少土体中NO3--N的积累。
Effects of Long-term Located Fertilization on the Physiochemical Properties of Non-calcareous Alluvial Soil
长期定位施肥对无石灰性潮土理化性质的影响
The Effect of Long-Term Fertilization on Some Selected Physical, Chemical and Biological Characteristics in the Calcareous Fluvo-Aquic Soil;
长期施肥对石灰性潮土某些物理、化学及生物学特征的影响
Studies on Effect of Low-molecular-weight Organic Acids on Phosphorus Availability in Calcareous Chao Soil;
低分子量有机酸对石灰性潮土磷素有效化影响的研究
Effects of Long-termed In-situ Fertilization on Rhizosphere Nutrition and Yield, Quality of High Gluten Wheat in Calcareous Chao Soil;
石灰性潮土长期定位施肥对优质小麦根际营养及产量和品质的影响研究
Effects of soil organic matter on characteristics of phosphorus adsorption and desorption in calcareous yellow fluvo-aquic soil and lime concretion black soil
有机质含量对石灰性黄潮土和砂姜黑土磷吸附-解吸特性的影响
Research on Possibility for Calcium Carbide and Fly Ash Used as LFS
电石灰、粉煤灰做二灰土的可能性试验研究
ENGINEERING PROPERTIES OF EXPANSIVE SOIL MIXED WITH LIME AT YICHANG-JINGMEN EXPRESSWAY
加石灰改性后膨胀土的工程性质研究
Industrial products:Active Carbon,Mica,Limestone,Quick Lime,Silica,P;astic Pellet,Medicine,Tablet,Ore,Etc.
工矿类：活性碳、云母、石灰母、生石灰、硅土、其它矿石等。
The Road Technicality of Lime & Fly Ash Stabilized Highly Liquid Limit Clay
石灰粉煤灰稳定高液限粘土的路用技术性能
We spread lime where the soil was sour.
土壤酸性大的地方我们就撒上石灰。
INVESTIGATIONS ON NITROGEN LOSSES FROM FERTILIZERS APPLIED TO FLOODED CALCAREOUS PADDY SOIL
石灰性稻田土壤上化肥氮损失的研究
Effects of applying lime on the properties of acid soil and the leaves quality in flue-cured tobacco.
酸性土壤施石灰对土壤性质与烤烟品质的影响
Study on the Impacts of Weight Fractions of Limestone Powder on the Properties of Concrete;
石灰石粉掺量对混凝土性能影响的试验研究
Research of Concrete Mixed Super Fine Limestone Powder;
超磨细石灰石粉掺合料混凝土性能的研究
The chloride ions diffusion and the pore structure of concrete with limestone filler
含石灰石粉混凝土氯离子传输性与孔结构
Research on Modified Regeneration Property of Phosphogypsum and Lime Stabilized Soil
石灰磷石膏稳定土改良再生性能的研究
Study on the influences of limestone flour on shrinkage performance of concrete
石灰石粉对混凝土收缩性能的影响研究
limestone coarse aggregate concrete
石灰石粗骨料混凝土