Descubre y comparte nuestro conocimiento público

Lawrence, P.R. ,  Dijkman, J.T. ,  [The introduction of animal traction into inland valley regions. 2. Dry season cultivation and the use of herbicides in rice] ,  The introduction of animal traction into inland valley regions. 2. Dry season cultivation and the use of herbicides in rice

Lawrence, P.R. ,  Dijkman, J.T. ,  Jansen, G.P. ,  [The introduction of animal traction into inland valley regions. 1. Manual labour and animal traction in the cultivation of rice and maize: A comparison] ,  The introduction of animal traction into inland valley regions. 1. Manual labour and animal traction in the cultivation of rice and maize: A comparison

Dijkman, J.T. ,  Lawrence, P.R. ,  [The introduction of animal traction into inland valley regions. 3. Different cultivation techniques for maize] ,  The introduction of animal traction into inland valley regions. 3. Different cultivation techniques for maize