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ที่มา:วิทยาสารเกษตรศาสตร์ สาขา วิทยาศาสตร์

หัวเรื่อง:ผลของปุ๋ยฟอสฟอรัสต่อคุณภาพเมล็ดข้าวขาวดอกมะลิ 105

ผู้เขียน:Imgดร.อำนาจ สุวรรณฤทธิ์, ศาสตราจารย์เกียรติคุณ, ImgSomchai Kreetapirom, Imgนางสาวสุภาพ บูรณากาญจน์, Imgดร.วารุณี วารัญญานนท์, Imgนางพัชรี ตั้งตระกูล, ImgSongsak Rattapat, ImgSongchai Wattanapayapkul, ImgKunnika Naklang, ImgSawang Rotjanakusol, ImgPituk Pornurisnit

สื่อสิ่งพิมพ์:pdf

Abstract

Six pot and field experiments were conducted to examine the effects of P fertilizer on cooking and eating qualities of Khaw Dauk Mali-105 aromatic rice. The cooking qualities were measured by sensory methods. The results led to the following conclusions and recommendations: 1) The aroma of cooked milled rice was not relates to the applied rates of P fertilizer, paddy yields, total dry matter and percent P in plants but related to percent P in paddy. The aroma was highest when percent P in paddy was 0.28%. 2) The softness was related to paddy yields, total dry matter, percent P in paddy and the applied rates of P fertilizer , The softness was highest at the rate that started to produce maximum paddy yield. 3) The whiteness, stickiness and glassiness were related to paddy yields, total dry matter, percent P in paddy, percent P in rice plants and the applied rates of P fertilizer. These qualities were highest at the rate that started to produce the maximum paddy yield. 4) The soils that produce high quality rice are those having available P not exceeding the level that starts to produce the maximum paddy yield. 5) To produce high quality rice, P fertilizer should be applied at the rate that starts to produce the maximum paddy yield and care must be taken to avoid excess P fertilizer. 6) Soils with available P higher than the level that starts to produce the maximum paddy yield are not suitable for producing aromatic rice, for low quality of rice will be obtained.

Article Info
Agriculture and Natural Resources -- formerly Kasetsart Journal (Natural Science), Volume 031, Issue 1, Jan 97 - Mar 97, Page 36 - 50 |  PDF |  Page