【摘 要】
：
为构建湘南晚稻高产高效栽培技术体系,以杂交晚稻品种‘丰源优299’为材料,研究了土壤耕作方式对湘南晚稻产量形成、米质与水分利用效率的影响。结果表明:(1)免耕处理实际产
【机 构】
：
湖南农业大学农学院/南方粮油作物协同创新中心
论文部分内容阅读
为构建湘南晚稻高产高效栽培技术体系,以杂交晚稻品种‘丰源优299’为材料,研究了土壤耕作方式对湘南晚稻产量形成、米质与水分利用效率的影响。结果表明:(1)免耕处理实际产量显著低于翻耕处理,减产10.2%~16.4%,其原因是免耕处理成穗率较低、每穗实粒数与结实率显著下降;翻耕条件下垄作和平作处理间实际产量差异极小,而免耕条件下垄作较平作处理显著减产,降幅达6.9%;(2)翻耕条件下垄作处理晚稻稻米外观品质、蒸煮品质和食味品质均较平作处理有所改善;(3)垄作处理晚稻水分利用效率显著提高,灌溉水利用效率提高5
其他文献
利用力限技术可以缓解由于星箭界面机械阻抗的差异所造成的过实验现象,半经验法是获取耦合界面力限的重要方法,如何确定半经验系数是关键。基于固定界面子结构模态综合法,推
为了探讨＂早蓄晚灌＂节水条件下轻简栽培模式对双季晚稻产量与物质转运的影响,于2016年在湖南省冷水滩区梯冲田进行了人工移栽、抛秧、机插秧的种植方式比较试验。结果表明,早稻
电子设计的开发人员希望通过一款功能强大、支持多用途和结果直观显示的实验室示波器来快速准确地完成复杂的测试任务。罗德与施瓦茨公司全新一代R＆S RTO2000系列数字示波器满
Artificially strengthened filter bed is an innovative wastewater treatment technology based on the coupling of eco-contact oxidation filters and artificial wetl
We elaborate support system of edible fungus industry from outlook on ecological economic development, legislation and standardization of variety approval, mult
Based on theoretical analysis of crop risk and premium rate setting,we take the case of premium rate setting of insurance on cotton yield in Shache County,Shaya
In recent years, China has been frequented by floods and droughts which has greatly evoked much concern from the Central Government about rural water conservanc
Cut flower production in Yunnan accounts for 80%nationwide.In order to expand the Yunnan Flower sales channels,the promotion of the development of e-commerce is
On the basis of analyzing water resources,crop planning structure,and irrigation mode in Lixin County,potentials and benefits of developing efficient water-savi
Extension multi-factorial evaluation method was used in water quality early-earning in Yincungang River based on MATLAB. The results showed that water quality i