A family of exponential-type estimator for estimating population mean in two-phase sampling when the population proportion of the auxiliary character is available is proposed in this paper. Theoretically, the bias and minimum mean square error (MSE) for the proposed estimator are...
Open access
Research Article10.9734/ajpas/2023/v21i2462
An experiment was conducted in 2015 at the screenhouse of Teaching and Research Farm, Usmanu Danfodiyo University, Sokoto, to determine the effects of biochar and rhizobium inoculation (HISTICK) on nodulation and growth of groundnut plant (SAMNUT-24). Two factors were used for...
Open access
Research Article10.9734/JALSI/2016/27297
The research was carried out to determine the effects of biochar and rhizobium inoculation on selected soil chemical properties, shoot N and P of groundnut plant. Two factors were used for this experiment; Biochar and rhizobium inoculation. Biochar was applied at the rate of 20 t...
Open access
Research Article10.9734/JABB/2016/27300
A. I. Yaradua, A. J. Alhassan, A. Nasir, M. Bala, A. Usman, A. Idi, I. U. Muhammad, S. A. Yaro & I. Muhammad·Asian Food Science Journal·2019
This study was conducted to determine the heavy metals concentration in Tomato fruits cultivated in Katsina State Nigeria. The objectives were mainly to detect the presence of heavy metals in the cultivated Tomato fruits in the study area, compare the concentration of heavy metal...
Open access
Research Article10.9734/afsj/2019/v9i130001