Attribution
Non-Commercial
No Derivative Works
Amnat Suwanarit. 1993. Effects of humic acid, compost, chicken drops, deetoka, vigriphol, ogrostemin, and chemical fertilizers applied on plants and to soil on corn, N-fertilizer efficiency and soil hardness. Bangkok:Kasetsart University;
Amnat Suwanarit. (1993) Effects of humic acid, compost, chicken drops, deetoka, vigriphol, ogrostemin, and chemical fertilizers applied on plants and to soil on corn, N-fertilizer efficiency and soil hardness (รายงานผลงานวิจัย). Kasetsart University:Bangkok.
Amnat Suwanarit. Effects of humic acid, compost, chicken drops, deetoka, vigriphol, ogrostemin, and chemical fertilizers applied on plants and to soil on corn, N-fertilizer efficiency and soil hardness. Bangkok:Kasetsart University, 1993.
Amnat Suwanarit. (1993) Effects of humic acid, compost, chicken drops, deetoka, vigriphol, ogrostemin, and chemical fertilizers applied on plants and to soil on corn, N-fertilizer efficiency and soil hardness (รายงานผลงานวิจัย). Kasetsart University:Bangkok.
