P. P. Motavalli

Apparent Soil Electrical Conductivity Used to Determine Soil Phosphorus Variability in Poultry Litter-Amended Pastures

P. P. Motavalli, R. P. Udawatta & S. Bardhan · Journal of Experimental Agriculture International · 2012

The objectives of this research were to determine the relationship between soil apparent electrical conductivity (ECa) and soil P distribution, and to compare the effectiveness of noncontact mobile electromagnetic induction (EM) and direct contact methods for relating ECa to soil...

Open access Research Article 10.9734/AJEA/2013/2122

Response of a Potato-Based Cropping System to Conventional and Alternative Fertilizers in the Andean Highlands

J. Aguilera, P. P. Motavalli, M. A. Gonzales & C. Valdivia · International Journal of Plant & Soil Science · 2013

A three-year study to determine the initial and residual effects of inorganic and organic fertilizers on potato (Solanum tuberosum L.) and subsequent quinoa (Chenopodium quinoa, Willd) crop performance was conducted in four indigenous communities in the central Bolivian Andean Hi...

Open access Research Article 10.9734/IJPSS/2014/5764

Initial and Residual Effects of Organic and Inorganic Amendments on Soil Properties in a Potato-Based Cropping System in the Bolivian Andean Highlands

J. Aguilera, P. P. Motavalli, M. A. Gonzales & C. Valdivia · Journal of Experimental Agriculture International · 2012

The objective of this study was to determine the effects of applications of organic and inorganic soil amendments on initial and residual soil chemical, physical and biological properties that may affect both short- and long-term soil fertility in a potato (Solanum tuberosum L.)-...

Open access Research Article 10.9734/AJEA/2012/2006