Using Chemical Fertilizer Based on Soil Analysis in Combination with Organic Fertilizers on Growth and Yield of Sweet Corn in Phatthalung Soil Series
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Abstract
The objective of this research was to investigate the effects of using chemical
fertilizer based on soil analysis in combination with organic fertilizers on the growth and yield
of sweet corn grown in the Phatthalung soil series. A randomized complete block design
(RCBD) with 4 blocks was used, with 5 treatments in individual blocks. The treatments were
different fertilization regimes, namely: T1, chemical fertilizer based on soil analysis (CFBSA),
T2, CFBSA+CJ2,000 (Crotalaria juncia 2,000 kg dm/rai), T3, CFBSA+ChM2.000 (chicken manure
2,000 kg dm/rai), T4, CFBSA+PM2,000 (pig manure 2,000 kg dm/rai) and T5, CFBSA+CM2,000 (cow
manure 2,000 kg dm/rai). The results showed a significant difference between T1, CFBSA and
T4, CFBSA+PM2,000 The CFBSA+PM2,000 gave an increase in sweet corn yield, unhusked and
husked average 2,081.1 and 1,493.9 kg/rai, respectively. There were no significant differences
between T4 and T2, T3 and T5. There was no significant difference in growth among all
treatments. Economic return for fertilizer cost in CFBSA+CJ2,000 was the highest, 13,867.2
Baht/rai.
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