 หัวเรื่อง:อิทธิพลของการพรางแสงและความเค็มของดินต่อการเจริญเติบโตของหญ้าแฝกพันธุ์พื้นเมือง ผู้เขียน: Yuttapong Prathomjinda,  ดร.พีระศักดิ์ ศรีนิเวศน์, ศาสตราจารย์ , Rachin Thiraporn สื่อสิ่งพิมพ์:pdf AbstractTwo vetiver grasses. Si Sa Ket which is a fragrant type and Ratchaburi which is a non-fragrant type, were planted in black plastic bags containing either normal soil or saline soil having the electrical conductivity of around 7.6 dS/m. The bags were kept under 100% sun light vs. under shading allowing 50% sun light. The growth parameters were measured were measured from number of tillers per crown, shoot dry weight, root dry weight and whole plant dry weight. Growth in saline soil was poorer than in normal soil. The fragrant type produced higher root and whole plant dry weight than the non-fragrant type. It also tended to produce higher shoot dry weight than the non-fragrant type. Both vetiver grasses grew equally well under normal and shading, Shading did not affect any of the 4 growth parameters. |