Evaluation Effect of Biological Fertilizer (Nitroxin case study) on Corn (Zea mays L.) Crop Production


Assistant Professor, Department of Agronomy, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.


The use of renewable resources and inputs is one of the fundamental principles of sustainable agriculture that enables maximum crop productivity and minimal environmental risk. Nutrient management may be achieved by the involvement of organic sources, bio-fertilizers, and micro-nutrients. Indiscriminate use of chemical fertilizers to achieve high yield and to compensate for lack of nutrients and consequently the increase of production costs and destruction of soil and water resources have made the specialists interested in healthy and stable crop systems in terms of ecology. Bio-fertilizers play a very significant role in improving soil fertility by fixing atmospheric nitrogen, both, in association with plant roots and without it, insoluble soil phosphates and produces plant growth substances in the soil. They are in fact being promoted to harvest the naturally available, biological system of nutrient mobilization. The bacteria in the Nitroxin biological fertilizer, in addition to stabilizing nitrogen of the air and balancing the absorption of macro and micronutrient elements, stimulate growth of the hormones by synthesizing and securing growth promoters such as hormones. Current research was conducted according evaluate results of valid researcher. Assessment result of many researchers revealed apply biofertilizer (especially Nitroxin) had positive effect to improve seed yield, biologic yield, plant height, harvest index, seed weight, number of seed per ear, number of row per ear, number of seed per row, ear length, seed protein content and chlorophyll content in compare control treatments. It seems consume according result of valid researchers consumption 150 kg Nitrogen ha-1 with 1 L.ha-1 Nitroxin led to achieve maximum corn seed yield and it can be advice to producers.


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