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DOES THE PRESENCE OF STRAW IN THE BILLET AFFECT THE QUALITY OF SUGARCANE PLANTING SYSTEMS? REA
Frazão,Aycon T. L.; Noronha,Rafael H. de F.; Furlani,Carlos E. A..
ABSTRACT The mechanized harvesting process of sugarcane seedlings affects the mechanized planting operation in the sense that straw adhered to the billet can reduce the quantity of non-viable gems obtained as a result of mechanical damage sustained during the mechanized operation. This study proposes a method to improve the quality of the implantation of sugarcane crop by prevention of damages caused mainly during October/November, when adverse climatic conditions of higher water stresses and high temperatures exist. The objective of this study is to evaluate the quality of the sugarcane planting operation using seedlings with and without straw, distributed by planters and distributors of chopped sugarcane, and comparing their performance to that of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Control letters; Distributor; Primary extractor.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162019000500616
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Sowing operation direction and population densities in corn growing AGRIAMBI
Corrêa,Rafael D. G.; Furlani,Carlos E. A.; Zerbato,Cristiano; Oliveira,Danilo T. de; Noronha,Rafael H. de F.; Warikoda,Newton K..
ABSTRACT Among the factors that may influence corn yield are sowing operation direction and plant population, since they alter the shade index between crop rows, and consequently the efficiency of interception of the photosynthetically active radiation by the leaves of plants. The aim of this study was to evaluate the influence of sowing direction and plant populations on P2830VYH hybrid corn yield. The experiment was conducted at the facilities of FCAV-UNESP, latitude 21º 14’ S and longitude 48º 16’ W in Jaboticabal (SP). The treatments were composed of three sowing directions (North-South, Northeast-Southwest, and East-West) and three population densities (40,000, 60,000 and 80,000 plants ha-1). The treatment with 80,000 plants ha-1 had the lowest cost...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays L.; Sowing configuration; Plant population; Grain yield.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000300183
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