To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy and gravelly laterite soils .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy surfaces gravelly over yellow own clay soils .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  darkr grey calcareous sands.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on grey brown sandy gravel.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  grey sandy surface over red brown mottled clay .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow brown sandy earth.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow  earthy sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly earth.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow sandy earth.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on greyand brown  gravelly sand

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on yellow gravelly sand

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow siliceous sands.

Determine the amounts of copper and zinc fertiliser for adequate grain production of wheat.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  coastal brown siliceous sands.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  brown gravelly earths..

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  brown gravelly earths..

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on grey brown sandy gravel.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy and gravelly laterite soils .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy and gravelly laterite soils .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly earth.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly loam.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  grey clay (Moort). .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  grey clay (Moort). .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on yellow earthy sands.

To determine the rates of copper and zinc required for maximum grain yield of wheat.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  greysand /over clay.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on yellow brown earthy sands.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow earthy sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on yellow sands.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on yellow sands of the western zone.

To determine the rates of copper and zinc required for maximum grain yield of wheat.

To determine the rates of copper and zinc required for maximum grain yield of wheat.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow brown and yellow brown gravel soils sands across 2 seasons.

To determined the apploication rates of copper and zinc fertiliser for the maximum grain yield of wheat

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on brown earthy gravel.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  brown gravelly earths..

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow brown gravelly sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow to brown with much ironstone grave in top 15 cm of laterite soils .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy and gravelly laterite soils .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy and gravelly laterite soils .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy and gravelly laterite soils .

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy surfaced over grey or grey domed clays.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  sandy surfaced over grey or grey sandy clays.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow earthy sand.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow gravelly loam.