Menampilkan 25–26 dari 26 publikasi

1. 

   Journal Article 1993

   Cowpea production in rice-based cropping systems of the Philippines - extrapolation by simulation

   J Timsina, F W T Penning de Vries and Dennis P Garrity

2. 

   Journal Article 1992

   Effect of spatial variability of Nitrogen supply on environmentally acceptable Nitrogen fertilizer application rates to arrable crops

   Meine van Noordwijk and W P Wadman