00907cam a2200277 c 4500 2666407 BD-DhUL 20150108100416.0 s1979 ne ab b 00110 eng d 9061930863 ANL ANL BD-DhUL a-th--- 633.18 HER Heckman, Charles W. Rice field ecology in Northeastern Thailand : the effect of wet and dry seasons on a cultivated aquatic ecosystem / Charles W. Heckman. The Hague : W. Junk, 1979. vi, 228 p. : ill., map ; 25 cm. Monographiae biologicae ; vol. 34 Includes index. Bibliography: p. 207-216. Rice Climatic factors. Rice Thailand Udon Thani. Agricultural ecology Thailand Udon Thani. ddc BK 2001 633.1809593 H449 28833 28833 0 0 ddc 0 633_180000000000000_HER 0 NFIC 53903 DUSL DUSL GEN 1989-10-28 purchased 633.18 HER A267716 2015-01-08 1 2015-01-08 BK