Impact of Phosphorus Fertilization and Rhizobium Inoculation on the Growth, Production, and Forage Quality of Peanuts (Arachis Hypogaea L.)

Abstract

This study used a factorial Complete Randomized Design (RAL) consisting of factor A (phosphorus level) and factor B (addition of Rhizobium inoculation).The research treatment was as follows: Factor A=phosphorus level, P0: control phosphorus level or 0kg, P1: phosphorus level 0.25g SP36/polybag, P2: phosphorus level 1g SP36/polybag.While factor B=addition of Rhizobium inoculation, I0: without addition of Rhizobium, I1: addition of Rhizobium 2.5 gr/polybag.The parameters observed were plant height growth, fresh matter and dry production, number and weight of pods, number and weight of pods and seeds, quality of crude protein content and crude fiber content.The results of this study showed that the application of phosphorus and Rhizobium fertilizers had no real effect (P>0.05) on plant height, and no real effect on dry matter production, number, and weight of pods, and not the nutritional quality of crude fiber and crude protein, but a real effect (P<0.05) on the root nodules, fresh matter and the number and weight of seeds.There is an interaction between the application of phosphorus fertilizer and the addition of Rhizobium bacteria on the parameters of the root nodules, pod weight, number of seeds, crude protein content and crude fiber.The best treatment combination among several treatments is the combination of P2I1 with a fertilization dose of 1g/polybag with the addition of 2.5g Rhizobium inoculation.

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