Study of the Effect of Azolla on the Growth and Yield of Black Glutinous Rice in Newly Cleared Forest Areas
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Abstract
Study of the results of add azolla green manure to plants. on the growth of black glutinous rice in acidic soil conditions due to the opening of new forests. The experiment was designed using 2x2 Factorial in Randomized Complete Block Design (RCBD). The two factors were varieties and treatments with 3 replicates. The results showed that soil pH, yield, seed weight of 1,000 seeds, height, number of spikelet per plant and filled grain in the process of growing rice along with raising azolla, yielded better results than no raising azolla. But there were no statistical differences (p>0.05). In addition, It was found that the average organic matter content of azolla and non-azolla culture were 2.30 and 1.60, respectively. Soil organic matter content of azolla culture was significantly higher than that of no azolla culture (p< 0.05) . If was found that Kam Kanya rice showed a high number of spikelets per plant and the yield was significantly higher than that of Lum Pua rice (p < 0.05) .
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