EFFECTS OF TILLAGE METHODS ON YIELD AND YIELD COMPONENTS OF TWO RICE CULTIVARS (ORVZA SATIVA L.) IN DRYBED SEEDING AT SHAWOOR, KHOUZESTAN

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DEHGHAN E.; ALMASSI M.

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Journal: JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH Year:2007 | Volume:7 | Issue:29 Page(s): 89-100

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Title

EFFECTS OF TILLAGE METHODS ON YIELD AND YIELD COMPONENTS OF TWO RICE CULTIVARS (ORVZA SATIVA L.) IN DRYBED SEEDING AT SHAWOOR, KHOUZESTAN

Author(s)

DEHGHAN E. | ALMASSI M. | Issue Writer Certificate

Keywords

CONVENTIONAL TILLAGEQ3

DIRECT SEEDINGQ4

NO-TILLAGEQ4

REDUCED TILLAGEQ3

RICEQ3

Abstract

Soil tillage although have prominent and beneficial effects, but in some cases may have negative results. Applying suitable tillage methods can decrease the damage. This study was conducted to identify the effect of various tillage methods on RICE yield and its components in summer 2003 on a clay soil in Shawoor Agricultural Research Station, north of Ahwaz. Experiment was conducted as split plots and Randomized Complete Blokes Design in three replications. Main plots were CONVENTIONAL TILLAGE (Tl), REDUCED TILLAGE which consisted of two passes of heavy disc harrow (T2), two passes of low disc harrow (T3), one pass of cultivator in depth 10 cm (T4), one pass of cultivator in depth 15cm (T5), one pass of rotivator in depth 5cm (T6) and NO-TILLAGE method (T7). Subplots were two RICE cultivars Anboory (VI) and LD183 (V2). The results showed that there was a significant difference among tillage methods for yield, panicles and plants per square meter. Howeven, the difference was not significant for .number of seed per panicle, thousand kernel weight (T.K.W) and harvesting index. Difference among CONVENTIONAL TILLAGE and REDUCED TILLAGE (T2-T6) with NO-TILLAGE method was also significant for yield, although there was no significant difference between CONVENTIONAL TILLAGE and REDUCED TILLAGE methods. Also, difference among varieties was significant for yield and yield components and V2 was better than VI. Interaction between tillage methods and variety cultivar treatments for all indicators was not significant. Results from regression analysis for all tillage methods showed that the number of panicle per square meter was most important component of yield. Consequently, suggestion for RICE DIRECT SEEDING in Shawoor and similar regions, based on working times and machine types, can be proposed for one of the REDUCED TILLAGE methods, particularly rotary tiller, replacing CONVENTIONAL TILLAGE method.

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APA: Copy

DEHGHAN, E., & ALMASSI, M.. (2007). EFFECTS OF TILLAGE METHODS ON YIELD AND YIELD COMPONENTS OF TWO RICE CULTIVARS (ORVZA SATIVA L.) IN DRYBED SEEDING AT SHAWOOR, KHOUZESTAN. JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, 7(29), 89-100. SID. https://sid.ir/paper/28030/en

Vancouver: Copy

DEHGHAN E., ALMASSI M.. EFFECTS OF TILLAGE METHODS ON YIELD AND YIELD COMPONENTS OF TWO RICE CULTIVARS (ORVZA SATIVA L.) IN DRYBED SEEDING AT SHAWOOR, KHOUZESTAN. JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH[Internet]. 2007;7(29):89-100. Available from: https://sid.ir/paper/28030/en

IEEE: Copy

E. DEHGHAN, and M. ALMASSI, “EFFECTS OF TILLAGE METHODS ON YIELD AND YIELD COMPONENTS OF TWO RICE CULTIVARS (ORVZA SATIVA L.) IN DRYBED SEEDING AT SHAWOOR, KHOUZESTAN,” JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, vol. 7, no. 29, pp. 89–100, 2007, [Online]. Available: https://sid.ir/paper/28030/en

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