Naranjilla (Solanum quitoense) is a perennial shrub plant mainly cultivated in Ecuador, Colombia and Central America where it represents an important cash crop. Current cultivation practices not only
The relatively low solubility and availability of phosphorus (P) from indigenous phosphate rock could be enhanced by legumes in the acid soils of humid forest agroecosystems. Crotalaria micans L. was
Limited availability of P in soils to crops may be due to deficiency and/or severe P retention. Earlier studies that drew on large soil profile databases have indicated that it is not (yet) feasible t
