00513 a2200193 4500 631.8 BAV 31226 54953 Bavappa, K. V. A. Manuring of export agricultural crops Peradeniya Dept. of Export Agriculture 1996 1996 iii,14p. ill 21cm Technical bulletin - 10 Cultivation Agriculture Fertilizers Gunaratne, W.D.L. Ruttimann" R. A. L 57733 57733 0 0 0 0 LEN MKDL MKDL LEN 2015-09-01 1 631.8BAV 67447 2019-04-23 00:00:00 2019-03-29 0.00 2016-10-31 L