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1、分類號(hào)：S158.9密級(jí)：公開論文編號(hào)：2012021877貴州大學(xué)2015屆碩士研究生學(xué)位論文有機(jī)肥對(duì)植煙土壤NPK轉(zhuǎn)化及烤煙香氣物質(zhì)的影響學(xué)科專業(yè)：土壤學(xué)研究方向：土壤化學(xué)與環(huán)境導(dǎo)師：黃鶯（副教授）研究生：劉洋中國(guó)﹒貴州﹒貴陽(yáng)2015年5月貴州大學(xué)碩士畢業(yè)設(shè)計(jì)不同有機(jī)肥對(duì)土壤NPK轉(zhuǎn)化及烤煙香氣物質(zhì)的影響目錄摘要........................................................................................................
2、...........................................IVAbstract.............................................................................................................................................VI1.前言...............................................................
3、................................................................................81.1引言......................................................................................................................................81.2.有機(jī)肥肥效研究進(jìn)展.............................
4、............................................................................91.2.1有機(jī)肥的種類及組成.............................................................................................91.2.2有機(jī)肥對(duì)植煙土壤性質(zhì)的影響............................................................
5、..............101.2.2.1有機(jī)肥對(duì)土壤理化性質(zhì)的影響...............................................................101.2.2.2有機(jī)肥對(duì)土壤氮素的影響.......................................................................101.2.2.3有機(jī)肥對(duì)土壤磷素的影響.....................................................
6、..................101.2.2.4有機(jī)肥對(duì)土壤鉀素的影響........................................................................111.2.3有機(jī)肥對(duì)土壤微生物的影響...............................................................................111.3土壤NPK素供肥特點(diǎn)及煙草營(yíng)養(yǎng)...................................
7、................................................121.3.1煙草的氮素營(yíng)養(yǎng)....................................................................................................121.3.1.1氮素在煙草生長(zhǎng)發(fā)育中的作用...............................................................121.3.1.2氮在煙草體內(nèi)的
8、含量、形態(tài)及分布.......................................................121.3.1.3土壤氮素形態(tài)及吸收..............................................................................
