How To Use Azolla In A Sentence
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Laboratory studies in China on the effect of Azolla coverage on mosquito oviposition and emergence showed that culicine mosquitoes can not lay there eggs at all in water that is completely covered with the fern.
Chapter 13
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Under different situations in nature Azolla is regarded to be an undesirable weed or a very beneficial plant.
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The rice-azolla-fish system provides an excellent growing environment for rice, fish, and azolla.
Chapter 6
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The article studied increasing yield and population dynamics of azolla in rice - duck azolla integrated farming.
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Under these conditions, pure cultures of either species do not use azolla efficiently.
Chapter 6
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However, the level of 15N-labelled azolla in the internal organs gradually decreased, whereas the level of 15N-labelled azolla in the muscles greatly increased (Table 3).
Chapter 6
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This reduction was probably due to the dilution of 15N from the azolla by the other nitrogenous matter excreted from the alimentary canal of the fish (which includes digestive juice, sloughed cells from the stomach, and azolla).
Chapter 6
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A glass aquarium (95 cm x 68 cm x 45 cm) held the soil (200 kg), rice plants (30 hills), fish (30), and azolla.
Chapter 6
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J. 14 Laboratory studies: effect of Azolla coverage on culicine mosquitoes
Chapter 13
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Slide J. 13 Laboratory studies: effect of Azolla coverage on anopheline mosquitoes
Chapter 13
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Observations from 1983 to 1986 indicate that the rice-azolla-fish system effectively suppresses weeds and rice pests (Table 7).
Chapter 6
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15N-labelled azolla levels in the external organs at the start of the experiments.
Chapter 6
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The utilization of 15N from azolla in the rice-azolla-fish system is increased to 67.8% (Table 4); whereas, the rice-azolla treatment using 15N-labelled azolla as a top dressing at the maximum tillering stage had a utilization rate of 46.1%.
Chapter 6
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J. 13 Laboratory studies: effect of Azolla coverage on anopheline mosquitoes
Chapter 13
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There were high levels of 15N-labelled azolla in the internal organs of nile tilapia and low
Chapter 6
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After uptake of 15N-labelled azolla for 96 h, 15N recovery in the intestine, stomach, and liver decreased from 10.3% to 1.0%, 1.6% to 0.2%, and 2.4% to 0.7%, respectively.
Chapter 6
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Slide J. 14 Laboratory studies: effect of Azolla coverage on culicine mosquitoes
Chapter 13