摘要
Abstract
This paper summarized the key technical points of half-pot seedling raising and mechanical transplanting cultivation for rice,and analyzed its demonstration effects.The key technical points of cultivation include the following aspects:high-yield rice varieties with moderate tillering capacity,large panicles with numerous grains,and strong stress resistance were selected;in the sowing stage,stacked tray dark-germination seedling raising was adopted,combined with a pot-seedling mechanical transplanting sowing line to complete soil filling,sowing,and soil covering in one operation;"nutrient and pesticide carrier fertilizer"was applied to ensure robust seedlings with pesticide protection before being moved to the field;paddy field preparation required leveled and well-matured soil;transplanting was carried out using a riding-type high-speed transplanter at a row-hill spacing of 30 cm×14 cm,with 3-4 seedlings per hill;water and fertilizer management followed the principle of"promotion at the early stage,control at the mid-stage,and supplementation at the late stage",combined with water regulation measures such as shallow irrigation during green-up,drainage for field drying at the critical tillering stage,and alternating wetting and drying;pest,disease,and weed control emphasized integrated management,employing agricultural(timely field drying),physical(insecticidal lamps),and biological(biological agents)techniques,along with the rational use of butachlor for pre-emergence weed control,and fungicides/insecticides such as thifluzamide and chlorantraniliprole·triflumezopyrim for controlling sheath blight and rice leaf folder,among other pests;after timely mechanical harvesting.In 2025,this technology was applied in the demonstration area of Dongzhi County,Anhui Province.The seedlings raised were robust with well-developed root systems.After transplanting with soil blocks,they established rapidly.Mechanical transplanting achieved optimal planting density,with a good grain number per panicle.The actual harvested yield reached 839.52 kg/667 m2.This paper provides a reference for the extension and application of half-pot seedling raising and mechanical transplanting cultivation technology for rice.关键词
水稻/半钵体育苗/机械插秧/秸秆还田Key words
rice/half-pot seedling raising/mechanical transplanting/straw incorporation分类
农业科技
