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벼 담수산파 재배시 파종량·질소분시·물관리 방법의 차이가 생육 및 수량성에 미치는 영향
권영립,권석주,조승현,최동철 원광대학교 2005 論文集 Vol.35 No.-
This study was carried out to investigate in connection with seeding rate according to the fertilizer application method and water management in direct seeding on flooded paddy surface. The total nitrogen and chlorophyll contents was decreased as increasing amount of seeding. The total nitrogen and chlorophyll contents were high in the strong drainage methods than the custom water management. LAI and dry mater recording where the seeding amount will increase to the fertilizer application method it increases consequently were low tendency from the site which omits the omitted the top dressing at tillering stage. The number of panicles per square metre was increased according to amount of seeding, but the number of spikelets per panicle was decreased. When omitted the top dressing at tillering stage and increasing the amount of seeding, the rice yield was high and amount of seeding was 89 kg per hectare. The results indicate that increasing of seeding rate and omission of fertilizer application with strong drainage at tillering stage was to reduce field lodging degree, to economy of water culture and to save labor for fertilization.
권석주,송영은,권영립,이덕렬,조승현,최동철 원광대학교 2005 論文集 Vol.35 No.-
Increasing concern about a rice quality, it is considered postharvest technology as well as cultivation management as an important factor. Therefore it is necessary to find optimal drying, storage method that did not affected a rice quality. In order to find the optimum storage period of rice, the rice quality was investigated during storage period. The temperature and humidity of storage bin were greatly changed but those of rice were a little do. The germination rate was slowly decreased as the storage period is long. The content of moisture was affected by a room temperature, it was increased at stored rice in rainy season(10-Jul~20-Jul). As storage period is long, the content of amylose, fatty acidity were a just Little changed but did not showed a constant tendency to it. The content of protein was increased and mechanic palatability value was decreased during storage period. The chromaticity of milled rice showed a range of lightness(L); 75.15~71.75, redness(a); 0.21~0.91, yellowness(b); 16.78~19.28 during storage period.