THE EFFECT OF COW MANURE AND NPK FERTILIZER ON MUSTARD PLANTS (Brassica juncea L.)

The objectives of this research are: (1) to study the effect of cow manure and NPK fertilizer on mustard (Brassica juncea L.), (2) to study the interaction of cow manure with NPK fertilizer and, (3) to study the right dose of cow manure and NPK fertilizer. Where the concentration of cow manure is 0 gram as control, 200 grams, 400 grams and 600 grams while the concentrations of NPK fertilizer are 0 gram as control, 10 grams, 20 grams and 30 grams. Repetition is done 3 times. The results showed that there was an effect of giving cow manure to mustard (Brassica
juncea L) in 200 grams of concentration without the addition of NPK fertilizer developed very well on labels 2,3 dan 4 compared to 200 grams with NPK fertilizer application concentration of 10 grams, 20 grams and 30 grams. While in polybags with a concentration of 400 grams without the addition of NPK fertilizer on labels 1, 2 and 3. While in polybags with a concentration of 600 grams without the addition of NPK fertilizer developed very well on labels 1,2 dan 3 compared to polybags with concentration 600 grams with the application of NPK fertilizer concentrations of 10 grams, 20 grams and 30 grams. While the results show that there is an interaction of giving cow
manure with NPK fertilizer to mustard (Brassica juncea L) at a concentration of 400 grams with the addition of 20 grams of NPK fertilizer on 8, 9 and 10 labels very well developed compared to 400 grams of polybags with NPK fertilizer application concentrations of 10 grams and 30 grams.