Philippine crop occurrence in relation to soil and climate factors
Philipson, Warren Rodney, 1942-
Philippine crop occurrence in relation to soil and climate factors [microform] / Warren Rodney Philipson. - Ann Arbor, Mich.: University Microfilms International, 1975. - 1 microfilm reel: ill.positif; 35 mm.
Thesis (Ph.D.) - Cornell University, 1975.
Agriculture ecology.
Crops and climate--Philippines.
Philippine crop occurrence in relation to soil and climate factors [microform] / Warren Rodney Philipson. - Ann Arbor, Mich.: University Microfilms International, 1975. - 1 microfilm reel: ill.positif; 35 mm.
Thesis (Ph.D.) - Cornell University, 1975.
Agriculture ecology.
Crops and climate--Philippines.
