Solubilization of Bayóvar Natural Phosphate Rock under the Drain Effect of Calcium and Phos

来源 :土壤科学期刊(英文) | 被引量 : 0次 | 上传用户:liongliong427
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Natural phosphate rock (NP) solubilization in soils is dependent on the soil pH and its power to remove or drain (sink effect) P and Ca of the solution that is in equilibrium with the NP. The aim of this work was to evaluate the effect of acidity and P- a
其他文献
Soil compaction management in the southeastern USA typically relies heavily on the practice of annual deep tillage. Strip tillage systems have shown considerabl
钢琴是击弦发声的乐器,它不象弦乐器、管乐器那样较容易地演奏连贯的、歌唱性的旋律,许多钢琴教师都认为指导学生演奏好歌唱性旋律是一项相当难的课题。但钢琴有宽广的音域、
This paper presents results of soil analysis for samples extracted from Makerere University Agricultural Research Institute Kabanyolo. The study was aimed at as
Potential contamination of rice by heavy metals such as Cu, Co, Cd, Ar, Cr, Hg, Ni and Pb in soil, water and pesticides affects the quality and nutritional prop
通过总结和分析混凝土材料静动态强度及其微观结构特征的主要研究成果,从微观角度研究了混凝土动态抗拉强度提高机理。研究表明,基于微观结构特征研究混凝土动态抗拉强度提高
作者通过对完全胃肠外营养中糖代谢有关问题进行了系统的调研,回顾了在寻求理想的碳水化合物的过程中的研究历史和现状,展望了未来的研究方向,并对TPN中糖代谢异常的两种主要表现形
Agronomic management practices that maximize monoculture switchgrass (Panicum virgatum L.) yield are generally well understood;however, little is known about co
我院音乐研究所所长杨叶(杨予野)教授经长期研究撰写出来的专著《京剧音乐研究》一书,最近已由辽宁省春风文艺出版社出版。该书近三十万字。它对京剧音乐、特
回文诗歌十首中的“回文”——冼星海作品十八号之七的词作者丁药园是我国清代著名诗人。歌词是通过一位妇人的自叙,表现她在期待丈夫的书信时内心的焦虑,生动地刻化出她那自
An investigation was carried out under laboratory conditions to study the persistence of butachlor applied at recommended dose (2 kg ai/ha) along with its impac