สืบค้นงานวิจัย
The impacts of tillage, soil conditioners, and chemical fertilizer on yield of cassava in Yasothon Soil Series (Typic Paleustult), relationship between nutrient concentration and cassava yield components, and soil property
Pilatluck Lunlio - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): The impacts of tillage, soil conditioners, and chemical fertilizer on yield of cassava in Yasothon Soil Series (Typic Paleustult), relationship between nutrient concentration and cassava yield components, and soil property
ผู้แต่ง / หัวหน้าโครงการ (EN): Pilatluck Lunlio
บทคัดย่อ (EN): A study was conducted in a farmer field at Ban Supplu Noi, Huay Bong subdistrict, Dan Khun Thot district, Nakon Ratchasima. Cassava, Huay Bong 80 variety, was planted in Yasothon soil series classified as a Typic Paleustult. Split-split plot in RCBD was employed with four replications. Main plot consisted of normal (N) and deep tillage (D). Subplot contained 11 treatments, T1: no soil conditioner applied, and applying respective rates of 625 and 1,250 kg/ha of soil conditioners such as bentonite (T2 and T3), perlite (T4 and T5), gypsum (T6 and T7), dolomite (T8 and T9), and ground limestone (T10 and T11). Sub-subplot was performed with two rates of 15-15-15 chemical fertilizer; 312.5 (L) and 625 (H) kg/ha. Soil representing the experimental area was classified as a Typic Paleustult. Cassava was harvested at 10-month of age. Different plant parts of cassava were sampled during the harvesting time for the analysis of nutrient concentration. Results showed that deep tillage highly significantly promoted higher fresh tuber yield (FTY) of 28.62 t/ha and starch yield (STY) of 7.77 t/ha than did normal tillage (25.61 and 6.93 t/ha, respectively) but had no different effects on starch content (STC) and aboveground biomass (ABG). The application of dolomite (T8) significantly gave the highest FTY, STY and ABG of 31.68, 8.65 and 10.97 t/ha, respectively. Cassava did not respond to rates of chemical fertilizer differently. However, there were some interactions between tillage and chemical fertilizer that affected cassava yield components. There were positive correlations between plant nutrient concentrations, especially macronutrient in stem, with FTY and ABG. Both rates of dolomite (T8 and T9) and ground limestone (T10 and T11) induced higher soil pH than did other soil conditioners and the control. Furthermore, the application of some soil conditioners contributed higher available P, K and Mg contents remained in the soil after growing cassava for one crop.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): th
จำนวนหน้า: 10
เอกสารแนบ: https://li01.tci-thaijo.org/index.php/agkasetkaj/article/view/252385/172674
คำสำคัญ (EN): Northeast Thailand
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The impacts of tillage, soil conditioners, and chemical fertilizer on yield of cassava in Yasothon Soil Series (Typic Paleustult), relationship between nutrient concentration and cassava yield components, and soil property
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