[Objectives]This study was conducted to find out the best sowing date and sowing rate of rice.[Methods]Based on the technique of dry seedling raising in aperture disk,the effects of sowing date and sowing rate on rice...[Objectives]This study was conducted to find out the best sowing date and sowing rate of rice.[Methods]Based on the technique of dry seedling raising in aperture disk,the effects of sowing date and sowing rate on rice yield were studied.[Results]Sowing date and sowing rate per hole had obvious effects on tillering dynamics,growth process,number of panicles per unit area,number of filled grains per panicle and yield of rice developed from dry-raised seedlings.The comprehensive analysis showed that the highest yield was 10285.5 kg/hm 2 with the sowing date of May 20 and sowing rate of 5 grains/hole.[Conclusions]This study provides theoretical support and data support for the popularization and application of rice developed from seedlings dry raised in aperture disk.展开更多
At present,reconstruction of megapixel and high-fidelity images with few measurements is a major challenge for X-ray ghost imaging(XGI).The available strategies require massive measurements and reconstruct low-fidelit...At present,reconstruction of megapixel and high-fidelity images with few measurements is a major challenge for X-ray ghost imaging(XGI).The available strategies require massive measurements and reconstruct low-fidelity images of less than 300 × 300 pixels.Inspired by the concept of synthetic aperture radar,synthetic aperture XGI(SAXGI)integrated with compressive sensing is proposed to solve this problem with a binned detector in the object arm.Experimental results demonstrated that SAXGI can accurately reconstruct the 1200 × 1200 pixels image of a binary sample of tangled strands of tungsten fiber from 660 measurements.Accordingly,SAXGI is a promising solution for the practical application of XGI.展开更多
基金Supported by Key R&D Program of Shandong Province(Action Plan for Rural Revitalization,Scientific and Technological Innovation and Boosting)(2023TZXD008)Key R&D Program of Shandong Province(Agricultural Improved Variety Project)(2024LZGCQY007)Innovation Ability Promotion Project of Shandong Province(2024TSGC0841,2024TSGC0205).
文摘[Objectives]This study was conducted to find out the best sowing date and sowing rate of rice.[Methods]Based on the technique of dry seedling raising in aperture disk,the effects of sowing date and sowing rate on rice yield were studied.[Results]Sowing date and sowing rate per hole had obvious effects on tillering dynamics,growth process,number of panicles per unit area,number of filled grains per panicle and yield of rice developed from dry-raised seedlings.The comprehensive analysis showed that the highest yield was 10285.5 kg/hm 2 with the sowing date of May 20 and sowing rate of 5 grains/hole.[Conclusions]This study provides theoretical support and data support for the popularization and application of rice developed from seedlings dry raised in aperture disk.
基金This work was supported by the National Key Research and Development Program of China(Nos.2017YFA0206004,2017YFA0206002,2018YFC0206002,and 2017YFA0403801)the National Natural Science Foundation of China(NSFC)(No.81430087).
文摘At present,reconstruction of megapixel and high-fidelity images with few measurements is a major challenge for X-ray ghost imaging(XGI).The available strategies require massive measurements and reconstruct low-fidelity images of less than 300 × 300 pixels.Inspired by the concept of synthetic aperture radar,synthetic aperture XGI(SAXGI)integrated with compressive sensing is proposed to solve this problem with a binned detector in the object arm.Experimental results demonstrated that SAXGI can accurately reconstruct the 1200 × 1200 pixels image of a binary sample of tangled strands of tungsten fiber from 660 measurements.Accordingly,SAXGI is a promising solution for the practical application of XGI.
