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- And the increase rates of soil available phosphorus and slowly available phosphorus were MCSWFC＞CSU＞SFC. 土壤速效磷、缓效磷的增幅均为田菁水植养鱼处理＞田菁旱作处理＞蓄淡养鱼处理。
- Change Regularity of Soil Available Phosphorus and Labile Organic Phosphorus on Installation Cultivation Condition 设施栽培土壤有效磷与活性有机磷含量及其变化规律研究
- Prediction of Soil Available Phosphorus Using Fourier Transform Infrared-Photoacoustic Spectroscopy 傅里叶变换红外光声光谱法测定土壤中有效磷
- SMALL-SCALE SPATIAL CROSS-CORRELATION BETWEEN RAMET POPULATION VARIABLES OF POTENTILLA REPTANS VAR. SERICOPHYLLA AND SOIL AVAILABLE PHOSPHORUS 绢毛匍匐委陵菜与土壤有效磷的小尺度空间相关分析
- Arbuscular mycorrhizal fungal growth on citrus roots and its correlations with soil available phosphorus content and phosphatase activity 柑橘丛枝菌根真菌生长与根际有效磷和磷酸酶活性的相关性
- soil available phosphorus 土壤速效磷
- It has been shown that farmland consolidation causes a big change of available phosphorus, available potassium and active organic matter in soil. 调查和分析结果表明 ,土地整理前后土壤中速效磷、速效钾和活性有机质均发生明显变化 ;
- The phosphorus nutrition of plants of eucalyptus is affected by the content of available phosphorus in soil and by the interaction of various elements of soil nutritious system. 桉树植株的磷营养受土壤有效磷含量和土壤营养体系中多种元素相互作用的影响。
- In addition, soil organic matter, alkali-hydrolyzable-N, available potassium and available phosphorus were main factors of energy and nutrition for growth and activities of microorganism. 土壤有机质、碱解氮、速效磷和速效钾是微生物生长和活性的主要能源和营养因子。
- A new method is set up to determine the water-soluble and available phosphorus in diammonium phosphate by the application of ultrasonic wave to solve the sample. 建立了超声波溶样快速测定磷酸二铵中的水溶性磷和有效磷的方法。
- Activities of polyphnol oxidase and urease have negative correlation with organic matter, available nitrogen, available phosphorus and available potassium. 而多酚氧化酶和脲酶活性与土壤有机质，氮、磷、钾的有效性呈负相关。
- The content of soil available Sulphur was decreased after harvesting cole and radish. 另外种植油菜和四季萝卜的土壤，有效硫的含量较种植前略下降；
- Soil fungi number and urease activity were negative correlation with soil available potassium content. 土壤真菌数量、脲酶活性与有效钾含量呈负相关。
- Compared with CK, soil available P increased by 10-fold and 3-fold with the treatment of NPKM and NPK+straw, and 3-5 fold with NP, PK and NPK. 氮磷钾配施有机肥速效磷含量比不施肥增加10倍以上,而氮磷钾配施秸秆比对照增加3倍;
- Soil culture results showed soil available sulphur had been increased significantly after different sulphur ferti1izer were appl ied. 土壤培育试验结果表明，不同硫肥品种施入土壤后，土壤有效硫含量明显升高，在培育1周时有效硫含量达到最高值，并随着培育时间的延长，土壤有效硫含量表现出先升高而后降低的趋势；
- The result showed that the soil available N content of the vineyard a low and in grade 5 while that was in grade 3 in the kaleyard. 结果显示：东丽区葡萄园的速效氮含量较低，处于5级；
- Soil available water capacity (AWC) plays an important role in the evaluation of drought resistance of soil,planning and managing water resources and conducting irrigation. 土壤有效含水量(AWC)是评价土壤抗旱性、水资源规划和管理以及指导灌溉的重要依据。
- Rhizospheric soil available N, enzyme activities and bacteria related to N transformation under drought stress in two genotypes of maize were investigated with a pot experiment. 摘要通过盆栽试验，研究了干旱胁迫下两基因型玉米根际有效态N及其两种相关酶活性和细菌的变化。
- Through DTPA and M3 extration,soil available Cu,Zn and Mn was measured with atom absorber method in soil samples from southern Shanxi with various soil fertility. 对山西省晋南不同肥力的土样分别采取DTPA与M3提取,用原子吸收法测定土壤中的有效铜、锌、铁、锰。
- The content soil available N, P and K and soil bulk density of vineyard in Dough and kaleyard in Beichen were analyzed in order to enhance crop yield and quality. 摘要为了提高作物的产量和品质，做到配方施肥，采集了天津市东丽地区葡萄园和北辰区菜园土壤样本，测定了土壤速效氮、速效磷、速效钾的含量以及土壤容重。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
