scholarly journals Studies on CO2 exchange in crop plants : VII. Relationship between the light intensity of normal and horizontal incidence and the photosynthetic rate of rice plants under natural conditions

1957 ◽  
Vol 25 (4) ◽  
pp. 207-209
Author(s):  
Tomoshiro TAKEDA
Keyword(s):  
Light Intensity ◽  
Photosynthetic Rate ◽  
Co2 Exchange ◽  
Crop Plants ◽  
Natural Conditions ◽  
Rice Plants

scholarly journals Zbiorowiska chwastów segetalnych Równiny Piotrkomskiej i ich współczesne przemiany w związku z intensyfikacja, rolnictwa (Mezoregion Nizin Środkowopolskich) [Communities of segetal weeds of the Piotrkdw plain and their contemporary transformations in connection with the intensification of agriculture Central Polish Lowland Mesoregion)]

2015 ◽  
Vol 27 (2) ◽  
pp. 95-194 ◽  
Author(s):  
Urszula A. Warcholińska
Keyword(s):  
Floristic Composition ◽  
Crop Plants ◽  
Natural Conditions ◽  
Ecological Characteristic ◽  
Soil Cultivation ◽  
Central Poland ◽  
Segetal Communities

The work is a monograph of the regional vegetation accompanying crop plants in one of the most interesting mesoregions of central Poland. The standing phytosociological and ecological characteristic is given of 18 communities of segetal weeds against the natural conditions and changes in soil cultivation. On the basis of ecological and floristic analyses some regularities were established concerning: the structure and floristic composition of segetal communities, their dynamics distribution and spread, and the directions and extent of the contemporary transformations of these communities, due to the activity of man.

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