Phillips, J. The development of agriculture and forestry in the tropics patterns,problems,and promise - Faber anf Faber London 1961 - 221 - Agricultural problems Forestry problems Hotter subtropics Crop production Pasturage Forest conservation Nat. Bib. No.: 0226 Nat. Bib. Agency Control No.: 63(213)PHI Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 63(213) 1