Abstract:

For raising the output of mango orchards of the ecological environment like north Nigeria rapidly, we designed and down the experiment of L9(3)4＋1. Through the experiment we made clear and definite the manure methods are fertilizing in the beginning of July and the end of Dec. two time that the efficacy of raised the result of fertilizer and increased the output obviously. That are the best measure of fertilizing, mainly using N fertilizer and K fertilizer in July and N, P, K altogether in the Dec. increasing the output and economical efficacy we ought to pay attention to the N and K fertilizer, and increasing the quantity of fertilizing. The experiment made the basis of the best fertilizing schedule that require to researching further.