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Phytosociological studies in the morro do diabo forest (Pontal do Paranapanema, SP), Brazil
(Inst Tecnologia Parana, 1995-03-01)
Results are given of a phytosociological study of a forest located in the Morro do Diabo State Park. in the county of Teodoro Sampaio (22 degrees 31'S, 52 degrees 10'W), Pontal do Paranapanema region, state of São Paulo. ...
Phytosociological study on the tree stratum of a semideciduous mesophytic forest in the municipality of Jau, SP, Brazil
(Inst Tecnologia Parana, 1993-03-01)
Through the point-centered quarter method, a phytosociological study was carried out in an area of semideciduous mesophytic forest with 190 ha, in the municipality of Jahu,SP. Due to the fact of the forest be crossed by ...
Phytosociological survey or weeds in glyphosate resistant and susceptible soybean cultivation areas
(Univ Federal Rural Pernambuco, 2018-01-01)
The objective of the present study was to perform a phytosociological study of weeds present in areas of glyphosate resistant and susceptible soybeans, in the stage of maximum infestation, in the 2013/14 and 2014/15 crops. ...
CROP MANAGEMENT AND ITS EFFECTS ON WEED OCCURRENCE
(Univ Federal Uberlandia, 2021-01-01)
The objective was to evaluate weed phytosociology and similarities between crop management systems in the Chapadoes region. The experiment was conducted at in agricultural area located in the municipality of Chapadoes do ...
Weeds in soybean cultivation with different predecessor cover cropsPlantas daninhas em cultivo de soja com diferentes coberturas vegetais antecessoras
(2021-06-01)
The competition between soybean and weeds affects crop development due to reduced resources such as water, light, and nutrients, leading to yield losses. Thus, the study aimed to evaluate quantitatively and qualitatively, ...
ABSENCE OF STABILIZATION POINT OF THE SPECIES ACCUMULATION CURVE IN TROPICAL FORESTS
(CENTRO PESQUISAS FLORESTAIS, UFSMSANTA MARIA, 2012)
The definition of the sample size is a major problem in studies of phytosociology. The species accumulation curve is used to define the sampling sufficiency, but this method presents some limitations such as the absence ...
A phytosociological study of the Nothofagus glauca (Phil.) Krasser woodlands of South-Central Chile
(E. Schweizerbart Science Publishers, 2008)
Characterization of vegetation structure in areas of natural occurrence of Hancornia speciosa Gomes
(2021-01-01)
The mangabeira (Hancornia speciosa Gomes) has great food and pharmaceutical values but its production is almost entirely made by people gathering fruits in forests, which increases the risk extinction, particularly in ...
Organização das comunidades infestantes de plantas daninhas na cultura da cana-de-açúcar em agrupamentos-padrão
(2011-04-01)
The aim of this study was to evaluate the possibility of grouping stands of sugarcane harvested mechanically, and without previous straw burning in the region of Ribeirão Preto-SP, according to the potential of weed ...