publication venue for
- Nitrogen use efficiency of irrigated tropical rice established by broadcast wet-seeding and transplanting. 45:123-134. 1996
- Potential impact of agroforestry on soil nutrient balances at the farm scale in the East African Highlands. 44:87-99. 1996
- Significance of timing and method of N fertilizer application for the N-use efficiency in flooded tropical rice. 42:129-138. 1995
- Assessing risk associated with N fertilizer recommendations in the absence of soil tests. 40:175-183. 1995
- RESPONSE OF UPLAND RICE TO PHOSPHORUS IN AN ULTISOL IN THE HUMID FOREST ZONE OF WEST-AFRICA. 41:11-17. 1995
- EFFECTS OF FERTILIZER PRICE ON FEASIBILITY OF EFFICIENCY IMPROVEMENT - CASE-STUDY FOR AN UREA INJECTOR FOR LOWLAND RICE. 39:1-9. 1994
- Yield response of wetland rice to band placement of urea solution in various soils in the tropics. 36:221-227. 1993
- Incorporation of urea in puddled rice soils as affected by tillage implements.. 26:169-178. 1990
- Short- and long-term fertility trials in Colombia to determine the nutrient requirements of cassava.. 26:61-80. 1990
- INCREASING NUTRIENT USE EFFICIENCY IN RICE WITH CHANGING NEEDS. 26:157-167. 1990
- N-15 BALANCES AND NITROGEN-FERTILIZER USE EFFICIENCY IN UPLAND RICE. 26:179-187. 1990