首页--农业科学论文--农作物论文--经济作物论文--棉论文

Nutrient Content and Distribution in Different Parts of Cotton as Affected by Nitrogen Split Application

LIST OF CONTENTS第4-6页
Abstract第6页
1. INTRODUCTION第7-13页
    1.1 COTTON AND ITS GROWTH第7页
    1.2 COTTON PRODUCTION第7-8页
    1.3 COTTON GROWTH AND NITROGEN第8-9页
    1.4 NITROGEN UPTAKE BY COTTON PLANT第9页
    1.5 NITROGEN FERTILIZATION第9-12页
    1.6 AIM AND SIGNIFICANCE第12-13页
2. MATERIALS AND METHODS第13-21页
    2.1 EXPERIMENTALSITE第13页
    2.2 EXPERIMENTAL DESIGN第13-15页
        2.2.1 Pot experiment第13-14页
        2.2.2 Field experiment第14-15页
    2.3 DATA COLLECTION第15-18页
        2.3.1 Cotton growth第15页
        2.3.2 Cotton yield第15页
        2.3.3 Chlorophyll content第15-16页
        2.3.4 Biomass accumulation第16页
        2.3.5 Plant nutrient content第16-18页
    2.4 Data Analysis第18-21页
        2.4.1 Dry Matter Accumulation第18-19页
        2.4.2 Nitrogen Accumulation第19-21页
3. RESULTS第21-38页
    3.1 COTTON GROWTH PROCESS AS AFFECTED BY DIFFERENT NITROGEN RATIO第21-22页
        3.1.1 Pot cottton plants growth process第21-22页
        3.1.2 field cotton growth process第22页
    3.2 CHLOROPHYLL CONTENT第22-23页
    3.3 DRY MATTER WEIGHT ACCUMULATION第23-28页
        3.3.1 Dry matter accumulation at different growth stages第23-26页
        3.3.2 Dry matter accumulation model第26-28页
    3.4 THE DRY MATTER ACCUMULATION CHARACTERISTICS第28-30页
    3.5 COTTON YIELD AND ITS COMPONENTS第30-33页
        3.5.1 Boll number第30页
        3.5.2 Boll weight第30-31页
        3.5.3 Seed cotton yield第31页
        3.5.4 Lint yield第31-33页
    3.6 NUTRIENTS ABSORPTION BY COTTON PLANTS UNDER DIFFERENT DEVELOPMENT STAGES第33-38页
        3.6.1 Nitrogen absorption by cotton plants第33-35页
        3.6.2 Plants nutrient content at different cotton growth stages第35-38页
4. SUMMARY AND DISCUSSION第38-41页
    4.1 SUMMARY第38-40页
        4.1.1 The process of cotton growth第38页
        4.1.2 Cotton yield and its components第38-39页
        4.1.3 Cotton chlorophyll content characteristics第39页
        4.1.4 Cotton nutrient absorption第39-40页
    4.2 CONCLUSION第40-41页
5 REFERENCES第41-43页
ACKNOWLEDGEMENTS第43页

论文共43页,点击 下载论文
上一篇:援调对接机制研究
下一篇:音乐剧《杰克与海德》中男主人公的角色塑造