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ACKNOWLEDGEMENT... ACKNOWLEDGEMENT... 22 INTRODUCTION... INTRODUCTION... 33 BIOFERTILIZERS... BIOFERTILIZERS... 66 ADVANTAGES OF
ADVANTAGES OF USING BIOFERTILIZERS...USING BIOFERTILIZERS... 99
BIOFERTILIZE
BIOFERTILIZER UNIT AT R UNIT AT V.P...V.P... 1010
SURVEY... SURVEY... 1616 CONCLUSION... CONCLUSION... 1717 FUTURE SCOPE... FUTURE SCOPE... 1818 BIBLIOGRAPHY... BIBLIOGRAPHY... 1919 REMARKS... REMARKS... 2020
INDEX
INDEX
We feel proud to present my Investigatory project in Biology on the topic “To We feel proud to present my Investigatory project in Biology on the topic “To
Study The Biofertilization Unit At Vidya Prathishthan And Carry Out A Study The Biofertilization Unit At Vidya Prathishthan And Carry Out A
Comparitive Study Of Chemical And Biofertilizers” which aims at using Comparitive Study Of Chemical And Biofertilizers” which aims at using
Biofertilizers for effective agriculture. Biofertilizers for effective agriculture.
This project wouldn’t have been feasible without the proper and rigorous This project wouldn’t have been feasible without the proper and rigorous
guidance of my Biology teacher Mrs.Sabiya Baig who guided me throughout this guidance of my Biology teacher Mrs.Sabiya Baig who guided me throughout this project in every possible way. Rigorous hard work has
project in every possible way. Rigorous hard work has been put in this project tobeen put in this project to ensure that it proves to be the best.
ensure that it proves to be the best.
We thank Dr Potdar,Head of Biofertilizer unit , V
We thank Dr Potdar,Head of Biofertilizer unit , Vidya Prathishthanidya Prathishthan for his golden guidance and inspiration.Last but not the least the regular
for his golden guidance and inspiration.Last but not the least the regular helpinghelping
hand of our principal , Mrs N.S Kharosekhar is the main power for the project’s hand of our principal , Mrs N.S Kharosekhar is the main power for the project’s
success.We hope that this project will prove to
success.We hope that this project will prove to be a breeding ground for thebe a breeding ground for the next generation of students and will guide them in every
next generation of students and will guide them in every possible way.possible way.
Acknowledgement
Acknowledgement
1) NEED OF FERTILIZERS 1) NEED OF FERTILIZERS
Agriculture is said to be main backbone of our country.
Agriculture is said to be main backbone of our country.It can’t be false whenIt can’t be false when
more than 70% population lives on the occupation. Per 2010 FAO world more than 70% population lives on the occupation. Per 2010 FAO world agriculture statistics,
agriculture statistics, India is the world's India is the world's largest producer of largest producer of many fresh fruits and many fresh fruits and vegetables, milk, vegetables, milk, major spices, select major spices, select fresh meats, select fresh meats, select fibrous crops such as fibrous crops such as jute,
jute, several several staplesstaples such as millets and such as millets and castor oil seed. India castor oil seed. India is the second largest is the second largest
producer of wheat and rice, the world's major food staples. India is also the producer of wheat and rice, the world's major food staples. India is also the world's second or third largest producer of several dry fruits, agriculture-based world's second or third largest producer of several dry fruits, agriculture-based textile raw materials, roots and tuber crops, pulses, farmed fish, eggs, coconut, textile raw materials, roots and tuber crops, pulses, farmed fish, eggs, coconut, sugarcane and numerous vegetables. India ranked within the world's five sugarcane and numerous vegetables. India ranked within the world's five largest producers of over 80% of agricultural produce items, including many largest producers of over 80% of agricultural produce items, including many cash crops such as coffee and cotton, in 2010. India is also one of the world's cash crops such as coffee and cotton, in 2010. India is also one of the world's five largest producers of livestock and poultry meat, with one of the fastest five largest producers of livestock and poultry meat, with one of the fastest growth rates, as of
growth rates, as of 2011.2011.
INTRODUCTION
INTRODUCTION
In order for a plant to grow and thrive, it needs a number of different chemical In order for a plant to grow and thrive, it needs a number of different chemical elements. The most important are:
elements. The most important are:
1)
1) Carbon, hydrogen and oxygen - Available from air and water and thereforeCarbon, hydrogen and oxygen - Available from air and water and therefore in plentiful supply Nitrogen, phosphorus, potassium
in plentiful supply Nitrogen, phosphorus, potassium (a.k.a. potash)(a.k.a. potash) – –
2)
2) The three macronutrients and the three elements you find in mostThe three macronutrients and the three elements you find in most packaged fertilizers Sulfur, calcium, and magnesium
packaged fertilizers Sulfur, calcium, and magnesium – –
3) Secondary nutrients Boron, cobalt, copper, iron,
3) Secondary nutrients Boron, cobalt, copper, iron, manganese, molybdenummanganese, molybdenum and zinc
and zinc – –MicronutrientsMicronutrients
The most important of these (the ones that are needed in the largest quantity The most important of these (the ones that are needed in the largest quantity by a plant) are nitrogen, phosphorus and potassium. Nitrogen, phosphorus and by a plant) are nitrogen, phosphorus and potassium. Nitrogen, phosphorus and potassium are important because they are necessary for
potassium are important because they are necessary for basic building blocks.basic building blocks.
2) Manures 2) Manures
Manures are partially decomposed organic Manures are partially decomposed organic matter added to soil to increase
matter added to soil to increase the fertility of the fertility of soil and productivity of crop.They
soil and productivity of crop.They containcontain almost all the essential nutrients required by almost all the essential nutrients required by the plants. There are following types of
the plants. There are following types of manures.manures.
Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a soil to supply
(other than liming materials) that is added to a soil to supply one or more plantone or more plant nutrients essential to the growth of plants.
1) Farm Yard 1) Farm Yard
Manure-
It is oldest manure used by It is oldest manure used by mankindmankind
It is made up of It is made up of dung of farm animals,urine,farm refuse and crop residuesdung of farm animals,urine,farm refuse and crop residues which are allowed to partial decay with
which are allowed to partial decay with the help of soil microorganisms.the help of soil microorganisms.
It contains many organic substances which are It contains many organic substances which are required for the normalrequired for the normal growth and development of plants.
growth and development of plants.
2) 2)
Compost-
It is prepared by degrading dung of farm animals , crop residues farmIt is prepared by degrading dung of farm animals , crop residues farm wastes and other organic debris
wastes and other organic debris
It takes about 6-8 months to prepare compostIt takes about 6-8 months to prepare compost
3)Green Manure 3)Green Manure
Many leguminous and non leguminous crops grown in the field andMany leguminous and non leguminous crops grown in the field and ploughed back into the soil while they are
ploughed back into the soil while they are still young and green.still young and green.
Complex organic matter present in the plants is decomposed by theComplex organic matter present in the plants is decomposed by the action of micro organisms.
action of micro organisms.
Green manures enhance crop yield by 30-50 %Green manures enhance crop yield by 30-50 %
Commonly used green manures in India are-Commonly used green manures in India are-Crotolaria junceaCrotolaria juncea(Sunn(Sunn hemp) ,
BIOFERTILIZERS
BIOFERTILIZERS
What are Biofertilizers ? What are Biofertilizers ?
Biofertilizers are live formulates of microorganisms that are ready to be used Biofertilizers are live formulates of microorganisms that are ready to be used and improve the quality and the health of the
and improve the quality and the health of the soil and the plant species bysoil and the plant species by increasing the nutrient availability for the
increasing the nutrient availability for the soil, seeds and soil, seeds and roots. Biofertilizersroots. Biofertilizers naturally activate the microorganisms found in the
naturally activate the microorganisms found in the soil restoring the soil'ssoil restoring the soil's
natural fertility and protecting it against drought and soil diseases and therefore natural fertility and protecting it against drought and soil diseases and therefore stimulate plant growth .
stimulate plant growth .
TYPES OF BIOFERTILIZERS TYPES OF BIOFERTILIZERS
Biofertilizers
Biofertilizers
Nitrogen Nitrogen Biofertlizers Biofertlizers Compost Compost Biofertilizers Biofertilizers Phosphorus Phosphorus biofertilizers biofertilizers1) Nitrogen B
1) Nitrogen Biofertilizersiofertilizers
Nitrogen biofertilizerNitrogen biofertilizers help to correct s help to correct the nitrogen levels of the nitrogen levels of the soil. Nitrogen is a limiting factor for plant growth because the soil. Nitrogen is a limiting factor for plant growth because plants need a certain amount of nitrogen in the
plants need a certain amount of nitrogen in the soil to thrive.soil to thrive. Different biofertilizers have the optimum effect for
Different biofertilizers have the optimum effect for differentdifferent soils, so the cultivated crop determines what type
soils, so the cultivated crop determines what type of nitrogenof nitrogen biofertilizer should be used. Use
biofertilizer should be used. Use Rhizobium for legume crops,Rhizobium for legume crops, Azotobacter or Azospirillum for non-legume crops,
Azotobacter or Azospirillum for non-legume crops,
Acetobacter for sugarcane and blue-green algae and Azolla for Acetobacter for sugarcane and blue-green algae and Azolla for low land paddies used to grow rice.
low land paddies used to grow rice.
2)Phosphorus Biofertilizers 2)Phosphorus Biofertilizers
Just like nitrogen, phosphorus is also a limiting factor for plantJust like nitrogen, phosphorus is also a limiting factor for plant growth. Phosphorus biofertilizers help the soil to
growth. Phosphorus biofertilizers help the soil to reach itsreach its optimum level of phosphorus and correct
optimum level of phosphorus and correct the phosphorusthe phosphorus levels of the soil. Unlike nitrogen biofertilizers, the usage of levels of the soil. Unlike nitrogen biofertilizers, the usage of phosphorus biofertili
phosphorus biofertilizers is zers is not dependent on the not dependent on the cropscrops cultivated on the soil. You can use
cultivated on the soil. You can use Phosphatika for all cropsPhosphatika for all crops with Rhizobium, Azotobacter, Azospirillum and Acetobacter.4) with Rhizobium, Azotobacter, Azospirillum and Acetobacter.4)
3)Compost Biofertilizers 3)Compost Biofertilizers
You can also use You can also use biofertilibiofertilizers to enrich your compost and thezers to enrich your compost and the bacterial processes breaking down the compost waste.
bacterial processes breaking down the compost waste. Suitable biofertilizers for compost use are
Suitable biofertilizers for compost use are Cellulolytic fungalCellulolytic fungal culture and Phosphotika and Azotobacter cultures.
Why to use biofertilizers? Why to use biofertilizers?
Biofertilizers are supposed to be a safe alternative to chemical fertilizers to Biofertilizers are supposed to be a safe alternative to chemical fertilizers to minimize the ecological disturbance. Biofertilizers are cost effective, minimize the ecological disturbance. Biofertilizers are cost effective, eco-friendly and when they are required in bulk can be generated at the farm itself. friendly and when they are required in bulk can be generated at the farm itself. They increase crop yield upto 10-40% and fix nitrogen upto 40-50 Kg. The other They increase crop yield upto 10-40% and fix nitrogen upto 40-50 Kg. The other plus point is that after using 3-4 years continuously there is no need of plus point is that after using 3-4 years continuously there is no need of application of biofertilizers because parental inoculums are sufficient for
application of biofertilizers because parental inoculums are sufficient for growthgrowth and multiplication. They improve soil texture, pH, and other properties of soil. and multiplication. They improve soil texture, pH, and other properties of soil. They have 75% moisture and it could be applied to the field directly. They have 75% moisture and it could be applied to the field directly. Biofertilizers contained 3.5% - 4% nitrogen, 2% - 2.5% phosphorus and 1.5% Biofertilizers contained 3.5% - 4% nitrogen, 2% - 2.5% phosphorus and 1.5% potassium. In terms of N: P: K, it was found to be superior to farmyard manure potassium. In terms of N: P: K, it was found to be superior to farmyard manure and other type of manure .
and other type of manure . Microbes used as
Microbes used as BiofertilizerBiofertilizer
Microbes are effective in inducing plant growth as they secrets plant growth Microbes are effective in inducing plant growth as they secrets plant growth promoters (auxins, abscisic acid, gibberellic acid, cytokinis, ethylene) and promoters (auxins, abscisic acid, gibberellic acid, cytokinis, ethylene) and enhance seed germination and root
enhance seed germination and root growth..growth.. Nitrogen fixing Bacteria
Nitrogen fixing Bacteria
1. Rhizobia: - Legumes plants have root nodules, where atmospheric nitrogen 1. Rhizobia: - Legumes plants have root nodules, where atmospheric nitrogen fixation is done by bacteria belonging to genera, Rhizobium, Bradyshzodium, fixation is done by bacteria belonging to genera, Rhizobium, Bradyshzodium, Sinorhizobium
Sinorhizobium, Azorhizobium and Mesorhizobium collectively called as , Azorhizobium and Mesorhizobium collectively called as rhizobia.rhizobia. When rhizobial culture is inoculated in field, pulse crops yield can be increased When rhizobial culture is inoculated in field, pulse crops yield can be increased due to rhizobial symbiosis . Rhizobium can fix 15-20 N/ha and increase crop due to rhizobial symbiosis . Rhizobium can fix 15-20 N/ha and increase crop yield upto 20%.
yield upto 20%.
2. Azorhizobium: It is a stem nodule forming bacteria and fixes nitrogen 2. Azorhizobium: It is a stem nodule forming bacteria and fixes nitrogen symbionts of the stem nodule.
symbionts of the stem nodule.
3. Bradyrhizobium: Bradyrhizobium is reported a good nitrogen fixer. 3. Bradyrhizobium: Bradyrhizobium is reported a good nitrogen fixer. Bradyrhizobium strain inoculation with Mucuna seeds enhances total organic Bradyrhizobium strain inoculation with Mucuna seeds enhances total organic carbon, N2, phosphorus and potassium in the soil, increases plant growth and carbon, N2, phosphorus and potassium in the soil, increases plant growth and
consequently plant biomass, reduction in the weed population and increased consequently plant biomass, reduction in the weed population and increased soil
soil microbial population.microbial population.
ADVANTAGES OF USING BIOFERTILIZERS.
ADVANTAGES OF USING BIOFERTILIZERS.
A bio-fertilizer provides the following benefits: A bio-fertilizer provides the following benefits: Since a bio-fertilizer is technically living, it can
Since a bio-fertilizer is technically living, it can symbiotically associate with plantsymbiotically associate with plant roots. Involved microorganisms could readily and safely convert complex roots. Involved microorganisms could readily and safely convert complex organic material in simple compounds, so that plants are easily taken up. organic material in simple compounds, so that plants are easily taken up. Microorganism function is in long duration, causing improvement of the soil Microorganism function is in long duration, causing improvement of the soil fertility. It maintains the natural habita
fertility. It maintains the natural habitat of the soil. It increases crop yield by t of the soil. It increases crop yield by 20- 20-30%, replaces chemical nitrogen and phosphorus by 25%, and stimulates plant 30%, replaces chemical nitrogen and phosphorus by 25%, and stimulates plant growth. It can also provide protection against drought and some soil-borne growth. It can also provide protection against drought and some soil-borne diseases.
diseases.
Bio-fertilizers are cost-effective relative to chemical fertilizers. They have lower Bio-fertilizers are cost-effective relative to chemical fertilizers. They have lower manufacturing costs, especially regarding nitrogen and phosphorus use.
LOCATION LOCATION
Biofertilizer unit at V.P.
Biofertilizer unit at V.P.
Dr Potdar,H.O.D of Biofer
MACHINES AT BIOFERTILIZER UNIT MACHINES AT BIOFERTILIZER UNIT
CONTROL STARTER
CONTROL STARTER
PANEL
PANEL
FERMENTOR
FERMENTOR
FINISHED PRODUCTS AT BIOFERTILIZER UNIT
FINISHED PRODUCTS AT BIOFERTILIZER UNIT
PLANTS GROWN USING BIOFERTILIZEERS
PLANTS GROWN USING BIOFERTILIZEERS
The biofertilizer unit at Vidya Prathishthan was the good
The biofertilizer unit at Vidya Prathishthan was the good
expiriance where we could see the actual place where the
expiriance where we could see the actual place where the
biofertilizers are made.
biofertilizers are made.
Following Biofertilizers are made in the
Following Biofertilizers are made in the biofertilizer unit.-
biofertilizer
unit.-We came to know that biofertilizers are very useful in
We came to know that biofertilizers are very useful in
increasing the fertility of soil.
increasing the fertility of soil.
ACETOBACTER
ACETOBACTER
AZOTOBACTER
AZOTOBACTER
RHIZOBIUM
RHIZOBIUM
PHOSPHATE SOLUBLE BACTERIA
PHOSPHATE SOLUBLE BACTERIA
POTASSIUM SOLUBLE BACTERIA
In order to diagnose the real use of biofertilizers and
In order to diagnose the real use of biofertilizers and
mannures among the farmers, We did a short survey in which
mannures among the farmers, We did a short survey in which
we interviewed 10 different farmers in Baramati , Tandulwadi
we interviewed 10 different farmers in Baramati , Tandulwadi
, Shriramnagar
, Shriramnagar
regions-SURVEY
SURVEY
After interviewing farmers we came to know that many
After interviewing farmers we came to know that many
farmers still use the combination of manures and chemical
farmers still use the combination of manures and chemical
fertilizers like urea , Diammonium Phosphate , Potash e.t.c.
fertilizers like urea , Diammonium Phosphate , Potash e.t.c.
Farmers who use Manures generally get them free of cost
Farmers who use Manures generally get them free of cost
from the cowdung , bird excreta, dried leaves etc.This things
from the cowdung , bird excreta, dried leaves etc.This things
are very easily avaliable and are free.
are very easily avaliable and are free.
But many farmers avoid usage of only manures. They use
But many farmers avoid usage of only manures. They use
chemical fertilizers with them too.Avaibility of manures is the
chemical fertilizers with them too.Avaibility of manures is the
biggest challenge before farmers.The manures are costly but
biggest challenge before farmers.The manures are costly but
not more than chemical fertilizers.Manures are reported to
not more than chemical fertilizers.Manures are reported to
show slow but a quality effect. It was also told that Manures
show slow but a quality effect. It was also told that Manures
are required in large quantities than chemical fertilizers.
are required in large quantities than chemical fertilizers.
Farmers told that if they get enough amount of manures
Farmers told that if they get enough amount of manures
surely they would adopt a total organic farming.
surely they would adopt a total organic farming.
It was amazing to know that still many farmers do not
It was amazing to know that still many farmers do not
know anything about biofertilizers and its nature friendly
know anything about biofertilizers and its nature friendly
applications. This enlightens the need of awareness about
applications. This enlightens the need of awareness about
biofertilizers among our farmers. The increasing population of
biofertilizers among our farmers. The increasing population of
India is consequently increasing the demand of food in
India is consequently increasing the demand of food in
affordable prices.This problem can be effectively overcomed
affordable prices.This problem can be effectively overcomed
by the use of Biofertilizers and organic farming .
by the use of Biofertilizers and organic farming .
CONCLUSION DRAWN FROM SURVEY
CONCLUSION DRAWN FROM SURVEY
This project unmasks the bright future of
This project unmasks the bright future of
biofertilizers and organic farming.Biofertilizer is
biofertilizers and organic farming.Biofertilizer is
the need of the time.
the need of the time.
It can greatly reduce our dependancy on other
It can greatly reduce our dependancy on other
chemical
fertilizers
which
have
many
chemical
fertilizers
which
have
many
disadvantages over a few advantages. It is
disadvantages over a few advantages. It is
greatly influencial for increasing the fertility of
greatly influencial for increasing the fertility of
soil and productivity of good quality goods.
soil and productivity of good quality goods.
In nearly future there will be shortage for land
In nearly future there will be shortage for land
under cultivation and will be treamondous
under cultivation and will be treamondous
increase in demand for food. Biofertilizers can
increase in demand for food. Biofertilizers can
greatly increase the per acre yield and bring the
greatly increase the per acre yield and bring the
agricultural expenses down as compared to
agricultural expenses down as compared to
chemical fertilizers.
chemical fertilizers.