Study on super sweet corn planting as relay crop in two spacing of cauliflower
2002
Pramote Pornsuriya(Rajamangala Institute of Technology. Bangpra Campus, Chon Buri (Thailand). Faculty of Agriculture) | Pornthip Pornsuriya(Rajamangala Institute of Technology. Bangpra Campus, Chon Buri (Thailand). Faculty of Agriculture)
Study mainly aimed to enhance cauliflower production and efficiency of land use for high yield and to reduce pesticide use. The experiment was conducted during September 15, 2000 to January 11, 2001 by using 2*4 factorial in randomized complete block design with three replications. Two specimens were used as factor a and b, the factor a randomly arranged in complete blocks were spacing of cauliflower 50*60 and 60*60 centimeters. The factor b were sweet corn relay plantings as 20, 25, 30 and 35 days. The results obviously showed that about spacing factor, the 50*50 centimeters spacing enhanced yield per rai (1.41 ton) more than 60*60 centimeters (1.20 tons), the inflorescence was larger size (13.6, and 16.6 centimeters in diameter and high of cauliflower respectively) than the other. In addition, it tended to provide high yield and ear size of sweet corn (3.34 kg/9 square m, 4.4 and 8.2 centimeters in diameter and long, and 196 g/ear respectively). In the relay crop factor showed that 25-day relay planting of sweet corn after cauliflower planting enhanced yield/plant, yield per rai and inflorescence size of cauliflower (13.43 centimeters in diameter and 342 g in yield/p respectively). Moreover, it tended to provide higher yield (1.34 ton per rai), (higher than 20 days and non significance from 30 and 35 days. The consideration of two factors during spacing and sweet corn as relay crop in cauliflower, we should choose 50*60 centimeters in spacing and 25-day relay planting of sweet corn after cauliflower. It encourages high yield of cauliflower and sweet corn especially cauliflower, which is higher price than sweet corn. In addition, it causes farmer received more income and reduced yield loss because these two plants have different problems from pest and levels of root zone.
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