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Effect of period of sugarcane cultivation on the abundance and distribution of weed seeds in the soil profile Planta Daninha
Adereti,R.O.; Takim,F.O; Abayomi,Y.A..
An experiment was laid down in a screen house to determine the distribution of weed seeds at different soil depths and periods of cultivation of sugarcane in Ilorin, Nigeria. Soil samples from different depth levels (0-10 cm, 11-20 cm and 21-30 cm) were collected after harvesting of canes from three different land use fields (continuous sugarcane cultivation for &gt; 20 years, continuous sugarcane cultivation for < 10 years after long fallow period and continuous sugarcane cultivation for < 5 years after long fallow period) in November, 2012. One kilogram of the sieved composite soil samples was arranged in the screen house and watered at alternate days. Germinating weed seedlings were identified, counted and then pulled out for the period of 8...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Seedbank; Soil depth; Weed emergence; Screen house; Cultivation period.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582014000300006
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Ambience and productive performance of arugula cultivated in different spacing Sci. Agrar.Paran. / SAP
Gonçalves-Trevisoli, Edilaine Della Valentina; Mendonça, Heloísa Ferro Constâncio; Dildey, Omari Dangelo Forlin; Dartora, Janaína; Rissato, Bruna Broti; Coltro-Roncato, Sidiane; Klosowski, Élcio Silvério; Tsutsumi, Cláudio Yuji; Echer, Marcia de Morais.
The objective of this work was to evaluate the effect of environment on the productive performance of arugula in different row spacings and plant spacing. The experiment was conducted in the spring, summer 2011 and in the autumn and winter 2012. The experiment design was a randomized complete block design with four replications in a 3x2 factorial design. The first factor consisted to the row spacings (0.20; 0.25 and 0.30 m) and the second to the plant spacings (0.05 and 0.10 m). The plant height and diameter, leaf number, leaf area and total leaf fresh matter and productivity were evaluated. The data were subjected to variance analysis and the average were compared by Tukey test (p<0.05). In the spring and in the plant spacing of 0.05m were verified...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cultivation period; Eruca sativa; Productivity..
Ano: 2017 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/14040
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