Define biofertilizers. Give an account of technology involved for the mass production of different…

Question

Define biofertilizers. Give an account of technology involved for the mass production of different biofertilizers, with their application.

Ghissu Editorial · Accepted Answer

Biofertilizers are products containing living microorganisms that colonise the rhizosphere and raise nutrient availability by fixing nitrogen or solubilising phosphorus. Mass production involves selecting efficient strains such as Rhizobium, culturing them in fermenters and formulating them on carriers like lignite or as liquid inoculants for seed or soil application.

**Introduction**

Biofertilizers, containing beneficial microorganisms, improve soil fertility and crop productivity sustainably, reducing chemical fertilizer use, vital for ==Andhra Pradesh==’s agriculture and Atmanirbhar Bharat goals. Their eco-friendly nature addresses environmental concerns linked to chemical inputs.

**Definition and Role of Biofertilizers**

1. **Microbial Inoculants**: Biofertilizers include Rhizobium, Azotobacter, and Mycorrhiza that fix nitrogen, solubilize phosphorus, and mobilize nutrients, enhancing yields and reducing chemical inputs.

2. **Distinct from Organic Fertilizers**: They are carrier-based microbial products, not decomposed organic matter, crucial for soil health in drought-prone ==Rayalaseema==.

**Technology for Mass Production**

1. **Strain Cultivation and Formulation**: Selected microbes are cultured in nutrient media and mixed with carriers like lignite or formulated as liquid inoculants with protectants, improving shelf life up to one year and easing storage problems.

2. **Quality Control and Infrastructure**: Maintaining microbial viability is key; India’s 537 production units, including those in ==Andhra Pradesh==, ensure quality and cater to local crop needs.

**Applications**

1. **Nitrogen Fixers and Phosphorus Solubilizers**: Rhizobium for pulses, Azospirillum for cereals, and Bacillus for phosphorus solubilization support crops like paddy and sugarcane in ==coastal Andhra Pradesh==.

2. **Mycorrhizal and Micronutrient Mobilizers**: Mycorrhizae enhance nutrient uptake in horticulture (==Chittoor district==), while bacteria mobilize potassium and zinc in ==Rayalaseema==.

**Way Forward**

1. **Regional Mother Culture Facilities**: Establish centers in ==Andhra Pradesh== for authentic strains.

2. **Farmer Training**: Expand extension and demonstrations via agricultural universities and Krishi Vigyan Kendras.

**Conclusion**

Biofertilizers are key to sustainable agriculture in ==Andhra Pradesh==, reducing chemical use and improving soil health.

Model answer

ఈ ప్రశ్నను ప్రాక్టీస్ చేయండి

మానవ వ్యాధులు; జన్యు ఇంజనీరింగ్ ప్రాథమిక అంశాలు; వ్యవసాయంలో బయోటెక్నాలజీ; టీకాలు54 questions

Ghissu