Temporal Plant-Height and Tillering Responses of Flooded Rice to Azolla and Urea under Pot Conditions
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Abstract
Azolla-based nutrient management was examined in a completely randomized flooded-rice pot experiment with four treatments (T1, control; T2, urea; T3, Azolla; T4, Azolla plus urea), three independent pots per treatment, and five plant subsamples per pot. Pot-level exact treatment-label permutation sensitivity analyses indicated treatment differences in time-averaged height and tillering and in centered temporal profiles (exact p < 0.05). Final-assessment height means were 42.03, 86.99, 101.33 and 101.92 cm for T1–T4. The investigator confirmed that manually separated, sun-dried filled-grain mass was recorded in g plant⁻¹ and averaged within pots; treatment means were 0.13, 1.40, 3.53 and 3.60 g plant⁻¹. The grain-mass omnibus permutation test gave p = 0.006169, but multiplicity-adjusted pairwise comparisons did not establish superiority. Grain moisture was estimated, not standardized. These pot results do not establish field yield, N equivalence or fertilizer replacement.
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บทความในวารสารเกษตรนเรศวรที่ได้รับการตีพิมพ์ เป็นลิขสิทธิ์ของ คณะเกษตรศาสตร์
ข้อความที่ปรากฏในบทความแต่ละเรื่องในวารสารนี้เป็นความคิดเห็นส่วนตัวของผู้เขียนแต่ละท่านไม่เกี่ยวข้องกับคณะเกษตรศาสตต์ฯ
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