We fitted the following seven distribution probabilities to the data of monthly average temperature in Mossoró, northeastern Brazil: Normal, Log-Normal, Beta, Gamma, Log-Pearson (Type III), Gumbel, and Weibull. To assess the goodness of fit the empirical distributions to the theoretical distribution, we applied the tests of Kolmogorov-Smirnov, Chi-square, Cramer-von Mises, Anderson-Darling, Kuiper, and Logarithm of Maximum Likelihood, at 10% of probability. The temperature series were obtained from 1970 to 2007. The Normal distribution provided the best fit to the historical series of average monthly temperature. Although the Kolmogorov-Smirnov test showed a very high level of approval, which generated some uncertainty regarding the test criteria, it is the more recommended to studies with approximately symmetric data and small series.
Using goat manure may substantially increase cowpea bean productivity. This study evaluated the yield of ‘pingo de ouro’ cowpea bean under different sowing densities and goat doses in the region of Mossoró, Brazil. The experiment was conducted from October to December 2016 at the Experimental Farm Rafael Fernandes, Mossoró-RN, Brazil. Treatments arranged in two-way factorial with four goat manure doses (0.0, 0.5, 1 and 2 kg m-1), and two sowing densities of bean (75,000 and 37,500 plants ha-1), with three replicates. The experiment was performed in complete randomized blocks design. We evaluated the number and length of pods per plant, number of seed per pod, weight of 100 dry grains and dry grain yield. Higher grain yield occurred using 2.0 kg m-1 of goat manure (1,162.4 kg ha-1 or 234 kg 2,000 m-2) and 75,000 plants ha-1 (693.4 kg ha-1 or 138.6 kg 2,000 m-2). High sowing density in combination with goat manure is an affective.
The use of legumes as fertilizer haqs been a viable option for the farmers who work in the production of medicinal plants with agroecological management. In this sense, the objective was to evaluate the production of mint under planting densities of mung bean in loam argisol yellow red latosol. The experiment was conducted at the Rafael Fernandes Experimental Farm, in the Alagoinha district, rural area of Mossoró, RN, Brazil, from August 2016 to March 2017. The experimental design was randomized complete blocks with the treatments arranged in 4 x 2 factorial scheme with three replicates. The first factor consisted of sowing densities (50; 100; 150 and 200 plants m-2) and the second factor was management systems such as incorporation and permanence (covered) of mung bean biomass on the soil surface. The cultivar "Mentha piperita" was used for the mint crop. The evaluated characteristics were the following: biomass height, green mass production, number of bunches, dry mass production, oil content and oil production of mint. The sowing density of 150 plants m-2 of mung bean provided production and number of mint bunches of 2.63 kg m-2 and 26.3 units m-2, respectively. For the forms of biomass management (incorporated and covered), no statistical difference was observed for the characteristics of the production of green mass, number of bunches, content and oil production of mint. The use of mung bean as a green manure for mint production is feasible to be used by farmers in northeastern Brazil.
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