The objective of this work was the selection of sugarcane genotypes, for three harvest times, using multivariate techniques. The experiments were conducted in the União e Indústria Sugarmill agricultural area, municipality of Primavera, Pernambuco. A randomized complete block design with four replications were used. The agro-industrial traits evaluated were: tons of pol per hectare (TPH), tons of cane per hect...
The objective this work was to verifield efficience of repetibility methods in the genotypes sugarcane selection on final stages of experimentation. The experiment was conducted in randomized block design with four repetitions. Were evaluated sixteen genotypes in four harvest cycles. The caracters analyzed were POL tonnage per hectare, sugarcane tonnage per hectare and total recoverable sugar tonnage per hectar...
In sowing cowpea's cultivation, adverse factors such as water stress may adversely affect the establishment of the stand . In this sense, the aim of the present study was to evaluate the germination of seeds of two varieties of cowpea under the influence of different levels of available water in the soil. The experiment was conducted under plastic tunnel conditions the Federal University of Campina Grande, Camp...
The objective was to study the emergence and initial growth of corn plants fertilized with bovine manure under two water regimes. The experiment was conducted under plastic tunnel conditions of the Federal University of Campina Grande, Campus of Pombal, Paraíba, from December 2014 to January 2015. The treatment arrangement consisted of a 4 x 2 factorial scheme, corresponding to four doses of bovine manure (0.0,...
Objetivou-se estudar a emergência e o crescimento inicial de plantas de milho adubadas com esterco caprino sob dois regimes de disponibilidade de água no solo. O arranjo dos tratamentos constituiu um fatorial 4 x 2, correspondentes a quatro doses de esterco caprino (0, 4, 8 e 12 t ha-1) e dois níveis de água disponível de 50 e 100% da capacidade de campo, mantido após as irrigações do solo, com 8 tratamentos e ...
The beet culture has great economic and food importance in the world, especially with respect to energy generation. In Brazil the culture is still little studied, lacking studies in all stages of production of culture, mainly in the management of fertilization. This study aimed to evaluate the effect of organo-mineral fertilization on growth, gas exchanges and production of beet, cv. Katrina. The experiment was...
Sendo os cultivares melhorados a base de sustentação e desenvolvimento do setor sucroeneregético no Brasil, objetivou-se com este trabalho avaliar o desempenho agroindustrial de 26 cultivares de cana-de-açúcar na microrregião canavieira da Mata Norte de Pernambuco. O experimento foi conduzido na área agrícola da Usina Olho D’água, onde foi utilizado o delineamento experimental em blocos casualizados com quatro ...
Objetivou-se estudar o desenvolvimento inicial de plantas de milho sob níveis de irrigação e doses de esterco de galinha. O experimento foi conduzido em condições de túnel plástico da Universidade Federal de Campina Grande, Campus de Pombal, Paraíba, no período de Dezembro de 2014 a janeiro de 2015. O arranjo dos tratamentos constituiu um fatorial 5 x 2, correspondentes a cinco doses de cama de frango e dois ní...
O uso do fogo é uma prática comum no meio rural, por ser uma técnica eficiente sob o ponto de vista dos produtores, no entanto está pratica quando usada de forma inadequada pode trazer prejuízos a biodiversidade local, como também promover o desgaste das rodovias acarretando prejuízos também aos cofres públicos, além de promover acidentes ocasionados pela pouca visibilidade provocada pela sua fumaça. Diante do ...
The burning of pasture and crop residues in the period prior to the rains in the semi-arid region is a practice usually applied by farmers to facilitate cleaning of the area and renew pasture. This study aimed to evaluate the effect of fire in chemical and biological soil properties in different areas in the hinterland of Paraíba. The treatments consisted in the use of fire and grazing in an area of growing wit...