Title: Citrus fertilization experiments in Porto Rico
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF005491070&ix=pm&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF005491070&ix=pm&I=0&V=D&pm=1</a>
Subjects: Citrus fruits. Fertilizers. Puerto Rico.