<?xml version="1.1" encoding="utf-8"?>
<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">WCEST</journal-id><journal-title-group><journal-title>Water Conservancy and ElectricPower Science and Technology</journal-title></journal-title-group><issn>2995-4371</issn><eissn>2995-438X</eissn><publisher><publisher-name>Art and Design</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/WCEST.2025050015</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title>土壤中N、P、K 的转换机理</title><url>https://artdesignp.com/journal/WCEST/3/5/10.61369/WCEST.2025050015</url><author>马睿,杨睿,牟晓伟,蓝青,林相昊</author><pub-date pub-type="publication-year"><year>2025</year></pub-date><volume>3</volume><issue>5</issue><history><date date-type="pub"><published-time>2025-05-20</published-time></date></history><abstract>当今农业生产中使用化学肥料以成为常态，其主要目的在于补充因种植作物引起的土壤养分的缺失。肥料中以N、P、K为主要所需元素，这三种元素也是作物所需的三种主要营养元素。虽然N、P、K在土壤中含量丰富，但大部分以不可被利用的形态存在于土壤当中，可被利用的形态含量甚低，因此导致了连续种植作物后的土壤肥力严重下降。本文阐述了，三种元素在土壤中的存在形态及其可被利用的存在形式及相互间的转换机理。</abstract><keywords>土壤肥料,元素形态,土壤元素转换,植物营养</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>[1]Yirga C, Hassan R M. Social costs and incentives for optimal control of soil nutrient depletion in the central highlands of Ethiopia [J]. AGRICULTURAL SYSTEMS, 2010,103(3):153-160.[2]VANDERPOL F, TRAORE B. SOIL NUTRIENT DEPLETION BY AGRICULTURAL PRODUCTION IN SOUTHERN MALI [J]. FERTILIZER RESEARCH, 1993,36(1):79-90.[3]Burt R, Chataway J, Cotter J, et al. Changes in agriculture and food production in North Amercia and Europe [J]. Agriculture at a Crossroads. International Assessment of Agricultural Knowledge, Science and Technology for Development. Island Press, Washington, 2009:20-78.[4]Haileslassie A, Priess J, Veldkamp E, et al. Assessment of soil nutrient depletion and its spatial variability on smallholders&amp;rsquo; mixed farming systems in Ethiopia using partial versus full nutrient balances[J]. AGRICULTURE ECOSYSTEMS &amp;amp; ENVIRONMENT, 2005, 108(1):1-16.[5]de Castro R C, Benites V D M, Teixeira P C, et al. Phosphorus migration analysis using synchrotron radiation in soil treated with Brazilian granular fertilizers[J]. APPLIED RADIATION AND ISOTOPES, 2015, 105:233-237.[6]Clark F E, Roswall T, Others. Terrestrial nitrogen cycles: processes, ecosystem strategies and management impacts. Proceedings of an International Workshop, Osterfarnebo, Sweden, 16-22 September 1979. 1981[C]. Swedish Natural Science Research Council.[7]屈明华. 温带森林土壤有效态氮营养生境演变特征[D]. 东北林业大学, 2005.[8]Stevens C J, Dise N B, Mountford J O, et al. Impact of nitrogen deposition on the species richness of grasslands[J]. SCIENCE, 2004, 303(5665):1876-1879.[9]Cleveland C C, Reed S C, Townsend A R. Nutrient regulation of organic matter decomposition in a tropical rain forest [J]. ECOLOGY, 2006, 87(2):492-503.</p><pub-id pub-id-type="doi"/></element-citation></ref></ref-list></back></article>
