unweathered mineral soil

In situ study on soil nitrogen mineralization in successive rotation stands of poplar plantation in north Jiangsu province

苏北杨树人工林连栽林地土壤氮素矿质化原位研究

The relationship between pH values in the precipitation and rates of soil weathering, and causes of such differences were studied.

对我国西南酸雨较严重的四川重庆、贵州贵阳两地的典型森林进行了野外调查和采样,并在湖南会同、陕西周至和河北兴隆进行对比考察,对五个典型地区的土壤进行了风化模拟实验研究,探索降水pH和土壤风化速率之间的关系以及不同地区土壤风化速率之间的区别和原因。

) yield,soil mineral N(NO-3-N and NH+4-N) and N balance.

)产量、土壤矿质氮(NO3--N和NH4+-N)及氮素平衡的影响。

In situ study on soil nitrogen mineralization in successive rotation stands of poplar plantation in north Jiangsu province

苏北杨树人工林连栽林地土壤氮素矿质化原位研究

Effect of Nitrogen and Mineralization of Soil Nitrogen on Growth and Quality of Flue-Cured Tobacco;

氮及土壤氮素矿化对烤烟生长及品质的影响

Dynamics of Mineral N Residual in Dryland Soil and Its Affecting Factors;

旱地土壤残留矿质氮的动态变化及其影响因素

Effects of rice straw incorporation on soil nitrogen mineralization and quality of flue-cured tobacco leaves

稻草还田对土壤氮素矿化及烟叶品质的影响

Nitrogen mineralization potential of major soil planting tobacco in China

我国主要植烟土壤氮素矿化潜力研究

Study on impact factors and its researching trend of soil nitrogen mineralization

土壤氮素矿化的影响因子及研究趋势

Characteristics of Nitrogen Mineralization in Different Soil Types and Its Effects on Quality of Flue-cured Tobacco

不同土壤氮素矿化特征及其对烤烟化学品质的影响

Contents of Active Organic Carbon, Nitrogen and Its Relationship with Nitrogen Mineralization of Soil on the Loess Plateau;

黄土区几种土壤中活性有机碳、氮含量及其与土壤氮素矿化的关系

Nitrogen Mineralization Characteristics from the Soils under Different Mulching Methods on Dryland;

旱地不同覆盖方式下土壤氮素矿化特性研究

Studies on Soil Nitrogen Mineralization of Poplar Plantation in North Jiangsu Province;

苏北杨树人工林林地土壤氮矿质化特性研究

Study on the Priming Effect Caused by Ammonium and Mineralization of Organic Nitrogen in the Typical Soils on Loess Plateau;

黄土高原典型土壤有机氮矿化及铵态氮对土壤氮素激发效应的研究

Regional Difference in Organic Matter in Tobacco Soils in Hunan Province and Relations between It and Mineralization of Soil Organic Nitrogen;

湖南植烟土壤有机质区域差异及其与土壤有机氮矿化的关系

Comparative Nitrogen Mineralization and Its Availability in Different Rehabilitating Forests in Degraded Red Soil

退化红壤区不同重建模式森林土壤氮素矿化过程及其有效性

RESPONSES OF REGIONAL SOIL QUALITY TO LAND USE CHANGES--A CASE OF N ELEMENT;

区域土壤质量对土地利用变化响应研究——以土壤氮元素为例

Study on the Course of Soil Nitrogen Mineralization and Influence Factors in Larix Gmelinii Forests

兴安落叶松林下土壤氮素矿化速率动态变化及影响因素的研究

Mineral N Accumulation and the Impact Factors in Apple Orchards of Weibei Areas in Shaanxi Province;

陕西渭北苹果园土壤矿质氮累积及影响因素的研究

Study on Soil Nitrogen Mineralization and Chemical Properties in Meng Dingshan Tea Garden;

蒙顶山茶园土壤基本化学特性及氮素矿化特征研究

Effect of Nitrogen Fertilizer Rate on Change of Soil Nitrogen and on Yield and Quality in Wheat and Its Physiological and Ecological Basis;

施氮量对土壤氮素变化和小麦产量与品质影响的生理生态基础