Bio Fertilizer

Bio-fertilizers are preparations containing live or latent cells of efficient strains of nitrogen fixing, potash or phosphorus and other plants nutrients mobilizing micro organisms that augment the availability of nutrients for the easy assimilation by plants. These beneficial bacteria and fungi are incorporated aseptically in sterile carrier medium.

1. Azo-Green ™ (Azospirillum lipoferum)
Nitrogen fixing bio fertilizer for wet and dry land crops

Azo Green contains highly efficient species of Azospirillum lipoferum, a non-symbiotic bacterium capable of fixing atmospheric nitrogen and making it available to plants. Azospirillum is found in loose association with roots, and can fix Nitrogen even under microaerophyllic conditions. Azo Green is formulated both as wettable powder and liquid formulation containing a minimum of 2 X 108 viable Azospirillum spores per gram or ml of carrier material. Azo green contributes on a minimum of 30 kgs of Nitrogen/ha.

Target crops – Rice and other Cereals, Millets, Cotton, Wheat, Maize, Garden plants and Plantation crops.

Application Methodology

Nursery 3-4 kg/ha or 800 – 1000 ml/ha
Main field 3-4kg/ha, or 800 - 1000ml/ha
Seed treatment 300gm/kg of seed or 100ml/kg of seeds.
Seedling treatment Mix in 20 to 30 gms or 5ml of Azogreen in 1 litre of water and soak the seedlings in the solution for 30 minutes before transplanting.
Pit treatment Around the plant in 3 or 4 pits and pour Azogreen at the rate of 10gm or 4 ml/pit.


2. Azoto Green ™ (Azotobacter Chrococcum)
Nitrogen fixing bio fertilizer for dry land crops


Azoto Green contains Azotobacter chrococcum, a nitrogen fixing beneficial bacterial strain that make non symbiotic association with root systems of crop plants. Azoto Green can be used for nitrogen economy in the cultivation of many upland crops.

Azoto Green is formulated as both wettable powder and liquid formulation containing a minimum of 2 X 108 viable Azotobacter cells per gram or ml of carrier material. Best results are obtained by applying organic manure along with application of Azoto Green. This liquid formulation has shelf life of one year and the powder formulation has a shelf life of 6 months.

Target crops - vegetables, Cereals, Sugarcane, Millets, Cotton, Garden plants, Plantation and Orchard crops.

Application Methodology

Nursery 3-4 kg/ha or 800 – 1000 ml/ha
Main field 3-4kg/ha, or 800 - 1000ml/ha
Seed treatment 300gm/kg of seed or 100ml/kg of seeds.
Seedling treatment Mix in 20 to 30 gms or 5ml of Azogreen in 1 litre of water and soak the seedlings in the solution for 30 minutes before transplanting.
Pit treatment Around the plant in 3 or 4 pits and pour and Azoto Green 10gm or 4 ml/pit.


Azoto green can be applied along with pure organic manure or with any sticking agent.


3. Rhizo Green ™ (Rhizobium Leguminosarum)
Nitrogen fixing symbiotic bacterium for leguminous crops


Rhizo Green is a bio fertilizer containing Rhizobium leguminosarum, a nitrogen-fixing bacterium living in symbiotic association with root nodules of many leguminous crops. These bacterium fix atmospheric nitrogen for the benefit of the plant in which they live. A minimum of 50kg N/ha/season is fixed and mineralisation of other nutrients are enhanced by this efficient species of bacterium. The product is formulated as wettable powder and liquid formulation containing a minimum of 2 X 108 viable Rhizobium cells per gram or ml of carrier material. This product effectively nodulates legumes after the application ensuring fixation of nitrogen.

Target crops - Cow peas, Soybeans, Ground nut, Green peas, Black gram, Bengal gram, Lucerne etc.

Application Methodology

Nursery 3-4 kg/ha or 800 – 1000 ml/ha
Main field 5kg/ha, or 1000ml/ha
Seed treatment 300gm or 100ml/kg of seeds.
Seedling treatment Mix 20 to 30 gms or 5ml Rhizo Green in 1 litre of water and sock the seedlings in solution for 30 minutes before transplanting.


Rhizo green can be applied along with pure organic manure or with any sticking agent.


4. Phospho Green ™
Phosphorous Solubilizing Bacterium

Phospho Green is a highly efficient species of Phospho bacterium capable of releasing fixed and unavailable phosphorus in the soil by secreting highly beneficial enzymes and organic acids. This bacterium can be used for most of the crops for their phosphorus nutrition. The product is formulated as wettable powder or liquid formulation containing a minimum of 2 X 108 viable Phosphobacteria spores per gram or ml of carrier material. Inoculation of 2kgs or 400 ml of Phospho green per acre as soil application helps in saving 20 to 25% of chemical Phosphorus needs of crop plants. Phosphobacterium also causes general improvement in plant growth and mineral uptake as it produces plant growth regulators like indole acetic acid (IAA), gibberellins (GA) and cytokinins.


Target crops - Coffee, Rubber, Tea, Cardamom, Spices, Cereals, Millets, Horticultural crops, Garden plants and other crops.

Application Methodology

Nursery 3 – 4 kg/ha or 800 – 1000 ml/ha
Main field 3 to 4kg/ha, or 800 - 1000ml/ha
Seed treatment 300gm or 100ml/kg of seeds.
Seedling treatment Mix in 20 to 30 gms or 5ml of Phospho Green in 1 litre of water and soak the seedlings in solution for 30 minutes before transplanting.
Pit treatment Around the plant in 3 or 4 pits and pour Phospho green 10gm or 4 ml/pit.


Rhizo green can be applied along with pure organic manure or with any sticking agent.


5. Potash Green
Potassium Mobilizing Bacterium

Potash Green contains Freteuria aurantia, the potassium mobilizing growth promoting Rhizo bacterium. This effective strain of bacterium mobilizes water insoluble potassium components of the soil to plants by converting it in to absorbable form. Potash green mobilizes potassium through production of enzymes and organic acids. The product is formulated as wettable powder or liquid formulation containing a minimum of 2 X 8 viable Potash bacterium spores per gram or ml of carrier material. Inoculation of 1kgs or 250 ml of Potash green per acre as soil application helps in saving about 20 to 30% of chemical Potassium fertilizer.

Application Methodology

Nursery 3 to 4 kg/ha or 800 – 1000 ml/ha
Main field 3kg/ha, or 750ml/ha
Seed treatment 300gm or 100ml/kg of seeds.
Seedling treatment Mix in 20 to 30 gms or 5ml in 1 litre water and soak the seedlings in this solution for 30 minutes before transplanting.
Pit treatment Around the plant in 3 or 4 pits and pour Potash Green 10gm or 4 ml/pit.


Potash green can be applied along with pure organic manure or with any sticking agent.


6. Pseumo Green™ Zinc
Pseudomonas Fluorescence
Zinc Solubilizing Bacterium

Pseumo green™ zinc contains an effective strain of plant growth promoting rhizo bacterium, Pseudomonas fluorescens with the ability to solubilize zinc compounds contained in to the soil soluble form. Pseumo Green zinc releases zinc ions in the soil by secreting highly beneficial enzymes and organic acids. In addition to this, it also gives plant growth promoting growth hormones like – IAA, Gibberellin and cytokinin. This also give fungal and bacterial disease free condition to the crops. The product is formulated as wettable powder or liquid formulation containing a minimum of 2 X 108 viable Pseudomonas fluorescens cells per gram of carrier material.

Application Methodology

Nursery 3 to 4 kg/ha or 800 to 1000ml/ha
Main field 3 to 4 kg/ha, or 800 -1000ml/ha
Seed treatment 300gm or 100ml/kg of seeds.
Seedling treatment Mix in 20 to 30 gms or 5ml in 1 litre water and soak the seedlings in solution for 30 minutes before transplanting.
Pit treatment Around the plant in 3 or 4 pits and pour Pseumo green zinc 10gm or 4 ml/pit.
Fertigation 1 Ltr liquid formulation in 100 Ltr of water.

7.VAM Green ™
Vesicular Arbuscular Mycorrhiza
A symbiotic plant growth promoting fungus

VAM green is a mycorhizal bio fertilizer containing plant growth promoting fungal spores. This symbiotic fungus enhances productivity as well as nature of soil and its fertility. VAM forms beneficial association with plant roots and increases it’s health, vitality and stress tolerance capacity. This promotes plant growth by helping better absorption and assimilation of nutrients and water. The product is formulated as wettable powder containing a minimum of 100 viable VAM spores per gram of carrier material.

Target crops – Vegetables, Coconut, Coffee, Rubber, Tea, Cardamom, Spices, Cereals, Millets, Horticultural crops, Garden plants and other field crops.

Application Methodology

Nursery and Seed treatment 2kg/0.25ha along with 25kgs of organic manure
Main field 5 - 10kg/ha along with 500 kgs of organic manure.
Copyright © 2021 - 2023
Grama Karshaka Fertilizer Company is ISO Certified
All right reserved.
Web Designed & Hosted by Antony Godvin Fernandez - 98441 79879 -
Need Help ? Click to Chat