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2013•Yunnan Nongye Daxue xuebaoRequires access

Photosynthetic Characteristics and Yield of Corn and Sweet Potato in Monoculture and Intercropping

Huachun Guo

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Abstract

In order to understand the effect on photosynthetic characteristics of corn intercropping group.The photosynthetic characteristics and yield of corn and sweet potato in monoculture and intercropping were studied by LI— 6400(made in USA).The results showed that: the photosynthetic rate,stomatal conductance,transpiration rate of maize increased,but the intercellular CO2 decreased in intercrop,and they were adverse in sweet potato,the compound yield were higher in intercropping than in monoculture,land equivalent ratio(LER) reached 1.2,which showed that intercropping had obvious advantage.

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What this paper is about

In order to understand the effect on photosynthetic characteristics of corn intercropping group.The photosynthetic characteristics and yield of corn and sweet potato in monoculture and intercropping were studied by LI— 6400(made in USA).The results showed that: the photosynthetic rate,stomatal conductance,transpiration rate of maize increased,but the intercellular CO2 decreased in intercrop,and they were adverse in sweet potato,the compound yield were higher in intercropping than in monoculture,land equivalent ratio(LER) reached 1.2,which showed that intercropping had obvious advantage.

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Available abstract

In order to understand the effect on photosynthetic characteristics of corn intercropping group.The photosynthetic characteristics and yield of corn and sweet potato in monoculture and intercropping were studied by LI— 6400(made in USA).The results showed that: the photosynthetic rate,stomatal conductance,transpiration rate of maize increased,but the intercellular CO2 decreased in intercrop,and they were adverse in sweet potato,the compound yield were higher in intercropping than in monoculture,land equivalent ratio(LER) reached 1.2,which showed that intercropping had obvious advantage.

Key concepts: Intercropping, Monoculture, Photosynthesis, Transpiration, Agronomy, Yield (engineering), Stomatal conductance, Biomass (ecology)

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