Showing items related by title, author, creator and subject.

• Effect of bat manure as a source of organic manure for vegetable cultivation in the Uva province 

  Wijewardena, J.D.H. (Soil Science Society of Sri Lanka:Colombo, 2002)
• Artificial farmyard manure 

  Petch, T. (Tea Research Institute. halawakele, 1928)
• Evaluation of different organic manures on soil properties, growth and yield of rice and maize under rice/maize crop rotation 

  De Silva, S.H.S.A.; Chandrapala, A.G.; Jayalath, H.A.P. (Department of Agriculture:Peradeniya, 2005)