හේරත්, එච්. එම්. ජේ.කේ.
HARTI : කාබනික පොහොර නිෂ්පාදනය හා භාවිතය HARTI : Kabanika pohora nishpadanaya ha bhavithaya - Colombo 07 Hector Kobbekaduwa Agrarian Reseach and Training Institute (HARTI) 2016 - viii, 70p. : tables
9789556122152
ORGANIC MANURES PRODUCTION
Fertilizers-Agriculture
Organic manures usage-Sri Lanka
631.86/.87(548.7) / H4
HARTI : කාබනික පොහොර නිෂ්පාදනය හා භාවිතය HARTI : Kabanika pohora nishpadanaya ha bhavithaya - Colombo 07 Hector Kobbekaduwa Agrarian Reseach and Training Institute (HARTI) 2016 - viii, 70p. : tables
9789556122152
ORGANIC MANURES PRODUCTION
Fertilizers-Agriculture
Organic manures usage-Sri Lanka
631.86/.87(548.7) / H4