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Information Journal Paper

Title

THE EFFECT OF TILLAGE METHODS, PLANT DENSITY AND PLANTING PATTERNS ON GROWTH CHARACTERISTICS, YIELD COMPONENTS AND GAIN YIELD OF SWEET CORN UNDER MALAYSIA CLIMATIC CONDITIONS

Pages

 Start Page 79 | End Page 98

Abstract

 In order to evaluate the growth characteristics, yield components and yield of sweet corn affected by different tillage operations, planting densities and planting patterns, a field experiment was conducted as factorial of 2×3×3 treatments based on a randomized complete block design with three replications at university Putra Selangor, Malaysia during growing season of 2007-2008. The factors were three tillage methods including, (moldboard PLOW and DISK harrow (T1), DISK PLOW and DISK harrow (T2), and rotary cultivator (T3) only as control), three plant densities (of 63000 (D1), 41600 (D2), and 31500 (D3) plants ha-1 only as control) and single row as control (P1) and double row (P2) planting patterns. The traits of dry weight of root, plant height, ear corn height, cob corn dia, stem dia, ear dia, kernel depth, fresh weight husked, row length of kernel, number of kernel per row, number of row, fresh weight husked, ear dia dehusked and yield were investigated. The results revealed that the main effect of tillage operation was significant (p≤0.01) on growth characteristics and yield of sweet corn. Interaction effects of plant densities × planting pattern were significant on yield at 5 percent level. The maximum corn yield attributed to the plots PLOWed with DISK PLOW followed by DISK harrow (T2) with 12503.3 kg.ha-1. Corn yield in P2 was 41% greater than P1 planting pattern. With decreasing plant densities of 63000 to 41600 and 31500, the average corn yield decreased to 36% and 76%, repectively. Maximum and minimum of corn yield obtained to 1443.87 and 7268.89 kg ha-1 from P1D2 and P1D3, respectively. In overal, in order to improve the production and yield of sweet corn as a valuable cereal under Malaysia climatic conditions, DISK PLOW, two-row planting pattern and density of 63,000 plants ha-1 could be recommended.

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