Regional action learning programme development of conservation farming systems :  report of the inaugural workshop, Chiang Mai, Thailand, 23 February-1 March, 1990 / 
organised by ASOCON in collaboration with Dept. of Land Development, Thailand. 
 - Jakarta :  Asia Soil Conservation,  1990. 
 - vi, 68 p. :  ill. 
 - ASOCON report ;  no. 02 .
<br/><br/><label>LCCN: </label>92013122     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation tillage--Asia.<br/>Soil conservation--Asia.<br/>Agricultural conservation--Asia.<br/>agricultural ecology--Papua New Guinea.<br/>Agricultural ecology--Asia.<br/>Conservation tillage--Papua New Guinea.<br/>Agricultural conservation--Papua New Guinea.