PERTUMBUHAN DAN HASIL PRODUKSI KACANG TUNGGAK (VIGNA UNGUICULATA L. WALP) DENGAN APLIKASI PUPUK GREENZONE DAN PUPUK GUANO

Putri Nahrisyah, Rahmah Hayati, Bustami Bustami

Abstract


This study aimed to determine the effect of Greenzone biofertilizer concentrations and guano fertilizer doses on the growth and yield of cowpea (Vigna unguiculata L. Walp), as well as to examine the interaction between the two treatments. The research was conducted at the Experimental Field of the Agricultural Extension Center (BPP) in Kota Jantho, Aceh Besar District. A factorial randomized block design (RBD) with two factors was used, consisting of three levels of Greenzone concentration (0, 2, and 4 ml/L) and three levels of guano fertilizer dose (0, 5, and 10 g/plant), with three replications each. The results showed that the concentration of Greenzone biofertilizer had a significant effect on all parameters of growth and yield. The 4 ml/L concentration produced the highest plant height, number of leaves, number of pods, pod length, and seed weight per plant. The guano fertilizer also had a significant effect, with the 10 g/plant dose yielding the best performance. Moreover, the interaction between Greenzone and guano fertilizer treatments showed a highly significant effect. The combination of 4 ml/L Greenzone and 10 g/plant guano resulted in the highest overall growth and yield, indicating a synergistic effect between microbial activity and organic nutrient availability. Based on these results, integrated application of biofertilizer and organic fertilizer is recommended to improve the productivity of cowpea, especially on low-fertility soils such as those in the BPP Kota Jantho experimental site

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References


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