不同育秧基质对水稻秧苗素质和产量的影响OA

To clarify the application effects of a novel seedling substrate based on new material substrate fiber for machine-transplanted rice,three treatments were established including seedling fiber,commercial substrate,and conventional nutrient soil.The study investigated the impact of different substrates on rice seedling quality and yield from various aspects of seedling quality,root vigor,root ball formation,transplanting quality,tillering dynamics,yield and its contributing factors.The results showed that compared to commercial substrates and nutrient soil,substrate fiber treatment significantly improved the quality of rice seedlings and promoted root growth.The seedling stem base width increased by 5.4%and 11.9%,and the seedling fullness increased by 3.8%and 2.7%,respectively.The root ball formation was optimal,and root binding strength reached 155.6 N.After transplanting,the tillering of rice occurred rapidly,the panicle-bearing tiller rate increased,and the number of panicles per unit area at maturation stage was the highest,resulting in yield increases of 2.7%and 5.0%,respectively.Overall,the use of substrate fiber for seedling cultivation demonstrated promising effects and has potential for promotion and application in machine-transplanted rice cultivation.