不同施氮量、密度和耕作方式對(duì)黔油18號(hào)主要農(nóng)藝性狀及產(chǎn)量的影響農(nóng)技推廣碩士論文

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1、分類號(hào)：密級(jí)：論文編號(hào)：貴州大學(xué)2011屆農(nóng)業(yè)推廣碩士研究生學(xué)位論文不同施氮量、密度和耕作方式對(duì)黔油18號(hào)主要農(nóng)藝性狀及產(chǎn)量的影響學(xué)位類別：農(nóng)業(yè)推廣碩士專業(yè)：作物中國·貴州·貴陽2013年11月目錄摘要······························································································1Abstract···································································

2、·························31前言·························································································41.1國內(nèi)外對(duì)油菜的研究現(xiàn)狀·············································································51.2油菜產(chǎn)量構(gòu)成因素影響···············································

3、·································71.2.1單位面積角果數(shù)··················································································71.2.2每果粒數(shù)···························································································71.2.3千粒重·································

4、·····························································81.3影響油菜產(chǎn)量和品質(zhì)的因素研究現(xiàn)狀·····························································81.3.1品種·································································································81.3.2農(nóng)藝措施··············

5、·············································································81.4生態(tài)環(huán)境對(duì)油菜產(chǎn)量及品質(zhì)影響研究·····························································101.5油菜生產(chǎn)中存在的問題···············································································121.6研究的目的及意義······

6、···············································································132材料與方法·················································································142.1田間試驗(yàn)······························································································

7、···142.1.1試驗(yàn)地點(diǎn)··························································································142.1.2供試材料··························································································142.1.3試驗(yàn)設(shè)計(jì)·······················································

8、···································142.1.4試驗(yàn)概況·························································