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200 very important agriculture facts-agrifunda

important fact of agriculture-

1. Father of agronomy is - peter decresenzi.
2. Dr. Biwant Rajis the founder of Relay cropping .
3. The Directorate of cropping System research is located at - Modipuram , meerut, U.P.
4. Scientific study of mixed cropping was firstly done by - La-Flitze (1928)
5. Relay cropping concept was derived from - Relay race
6. Natural Resource management is an example of sustainable agriculture
7. Cropping System is a component of - framing System
8. When the sub crop are sown to supplement of yield of the main crop , the sub crops are known as --
augmenting crops
9. The main crop is grown in the centre , surrounded by hardly or thorny crops, the sub crop is known as -
guard crops
10. The yield of both crops , grown together are found to be higher than the yield of their pure crops on unit
area , such cropping is known as -- synergetic cropping
11. What is a cash crops -- those crops , which may be sold directly from the field without processing like
vegetables , potato, etc.
12. Formula of Cropping Intensity = Total Cropping Area /total sown area *100
13. The growing of two or more crops on the same field in a year is called -- multiple cropping
14. The practice of raising grasses or pasture , is also known as -- ley farming
15. In India , the maximum acreage and production of wheat is in UP
16. The type of fruit of wheat is Caryopsis
17. The optimum temperature for ideal germination of wheat is 20 to 25 °C
18. Norin-10 gene was brought to USA by - S.c. salamone 1984
19. The dwarf winter variety of wheat first time developed through using Norin gene by - Dr. O.A.Vogel
20. Triple gene dwarf variety were released in 1970
21. Which is double gene dwarf varieties of wheat - HD 2204, Janak, UP 215, Pratap, Kalyansona, Arjun,
Sonara 64
22. Single gene dwarf varieties are - Sonalika , Girija, UP-262 ,Wl 711,Lerma Rojo 64A
23. The protein found in wheat floor which is helpful for chapati making - Gluten
24. Central Zig - Zag axis of wheat is called -Rachis
25. Mexican dwarf wheat was evolved by - Dr. N. E. Borlaug
26. The toxic alkaloid found in the leaves of sorghum crops is - Dhurin or HCN
27. CSH 1 was released as first dwarf sorghum hybrid in 1964
28. Which crop is known as camel crops - Sorghum
29. Native of jower is Africa (Ethiopia & Sudan)
30. The maximum area & Production of jowar is in Maharashtra
31. Jower is poor in lysine but rich in - Leucine
32. The inflorescence of jower is called – Panicle
33. First hybrid variety of bajara is HB-1 (1965) developed at PAU, Ludhiana
34. Protein content in Bajra is 11-12 %
35. Origin of bajra is Africa
36. Bajra is sensitive to - water logging and Acidic soil
37. The largest producer state of cotton in India is -Gujarat

Compiled by: Premaradhya, N. M.Sc. Agri. Agronomy Page 2 of 18

38. Bad opening of balls is known as - Tirak
39. In cotton , the maturity of fibre is judged by – Arealometer
40. H-777 is the cultivar of cotton
41. Hybrid -4 is the first commercial cotton of the world developed by - Dr.C.T. Patel in 1970
42. The leaves of cotton becomes radish in colour due to decrease nutrient uptake and moisture .
43. Origin of cotton is from - India
44. Cotton belongs to- malvaceae
45. Intra - Specific hybrid of cotton is -Hybrid -6, savita, surya.
46. Interspecific hybrid of cotton is - Varalaxmi , DCH-32 , HB -224 etc.
47. One seed of cotton has 60000-80000 fibres
48. Ginning %= wt. of lint / wt. of seed cotton taken for ginning * 100
49. The removal of lower leaves which come in contact with soil and lose their commercial value is known
as priming process.
50. Priming method is used in - Cigarette and wrapper tobacco

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51. The main aim of topping and Desuckering is - to divert the energy and nutrient of plant from flower to
52. The removal of the lateral branches or suckers or auxiliary buds is called - desuckring .
53. Central tobacco research institute is situated at - Raja - h - Mundri, AP (1947)
54. The richest source of protein among the food grain is - Pulses
55. Head quarter of directorate of pulses research is located in - Kanpur UP
56. Which pulse crop doesn’t fix N2 from atmosphere -Rajma
57. The word pulse is derived from - French world pottage or poride means - soup (dal)
58. The term legume is taken from - latin word - means to collect
59. India is the largest producer of – gram
60. The sour taste of gram leaf is due to presence of - Maleic acid(60%) and oxalic acid
61. Shelling % of Pea is 49
62. Harvest index of arhar is 19 %
63. Origin of aarhar is from – Africa
64. Queen of cereals is called Maize
65. The composite cultivars of maize are - Kisan , jawahar ,Amber ,Vijay , Sona , Vikaram, etc.
66. Maize is a C4 Plant
67. In India the rank first state in area and production of maize is UP
68. The maize Protein is called- Zein
69. Male inflorescence of maize is called –Tassel
70. The critical stage for water application in maize is - Tasseling and silking stage
71. Which Indian scientist shared world food prize for miracle maize - Dr.Sruinder K.Vasal(2000)
72. Origin of maize from - Mexico
73. All India Coordinated Maize Improvement Project was started in -1957 at New Delhi
74. Double cross technique for hybrid seed production was developed by - D.F. Jones (1920)
75. The idea of hybrid maize was first conceived by : E.M. east and G.H. Shull (1910)
76. The criteria for harvesting of sugarcane - withering of lower leaves ,brix 20 % , sucrose 15 %
77. Algin planting method of sugarcane is evolved by - Allahabad agriculture institute , Allahabad , UP
78. Adsali sugarcane is common in Maharashtra
79. sugarcane is planted in furrows because - it reduce lodging
80. Inflorescence of sugarcane is generally called - Arrow or open panicle.

Compiled by: Premaradhya, N. M.Sc. Agri. Agronomy Page 3 of 18

81. Sucrose content in cane is - 13-14 %
82. Sugar from juice is - 6-10%
83. Hand refrectometer reading for sugarcane maturity is 20
84. Sugarcane breeding Institute is situated at - Coimbatore
85. Adhsali Sugar cane crop mature in 18 months
86. father of hybrid rice is - Yuan Long Pin
87. India’s first dwarf variety released during 1968 was jaya .
88. World’s first high yielding semi dwarf basmati rice variety is - pusa basmati - 1
89. World’s first super rice variety for saline / alkaline soil – Lunishree
90. Harvesting of paddy is done at moisture content - 21-23 %
91. First mutant variety of rice is jagannath( gamma ray irradiation of T-141)
92. Which gas is released from field of paddy - Methane (CH4)
93. SRI techniquecue was originated in Madagascar in 1987 by prof. Henry De Laulanie
94. First super fine aromatic basmati hybrid is - Pusa RH-10
95. Oilseed production programme was started during - 1990-91
96. Technology mission on oilseed was est. 1986
97. National Research Centre for groundnut was Junagarh (Gujarat)
98. Indian central Oilseed Committee was est. 1947
99. All India Coordinated Project on Oilseeds was est. during 1967
100.Main adulteration in mustered - argemone mexicana oil

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101.Mustard fruit is known as - siliqua
102.Pungency of mustard is done to - isothiocynate
103.National seed corporation was established in March – 1963
104.Seed Act was passed in 1966 (29 dec)
105.Tetrazolium Test is done for - viability and vigour
106.The Indian seed Act came into force on 2 oct 1969
107.NSC started functioning in July 1963
108.The head quarter of NSC is - Pusa compus , ND
109.National Seed project was launched in – 1976
110.The world meteorology is derived from- Greek language
111.International meteorological organization was est. in – 1873
112.Division of Agri. Meteorology at pune , Maharashtra was est. in 1932
113.Solar radiation is measured by – pyranometer(total incoming radiations)
114.Agro Ecological Zones in India is 8( by NARP ICAR), 21(by NBSSLUP)—but now only 20
115.Agro -climatic zones (15 nos.) are formed in India during 7th five year plan (1988)
116.The green Ouse gases are - CO2 , CFC , CH4, etc.
117.Indian meteorological Dept. was est. in the year of -1875
118.Wind velocity is measured by -Anemometer .
119.Father of agro- climatology is - Koppen
120.Koppen classified the climate based on - temperature & Precipitation
121.The study of weather is called – meteorology
122.The term weed was firstly used by - jethrotull
123.National Research centre for weed science is situated at-Jabalpur (MP)
124.Commercial mycoherbices first appeared in market USA in early 1980s
125.National horticulture board was Gurgaon (Haryana )

Compiled by: Premaradhya, N. M.Sc. Agri. Agronomy Page 4 of 18

126.First all India coordinated floriculture Improvement project was started in 1971
127.Central temperate Horticulture Research institute is situated at - Srinagar (J&K)
128.International institute of horticulture is situated in – Brazil
129.Who is the father of pomology – Decandolle
130.National horticulture board was est. in the year 1984
131.Who was the first deputy director general of horticulture , ICAR - dr. K.L. Chadha
132.Which vegetable rank first among vegetable crops in production in the world – potato
133.In India , potato was introduced by Portuguese in 1965
134.Research on potato was stared at IARI New Delhi in – 1935
135.The International potato centre was 1971 at lima (Peru)
136.Central potato Research Institute was est. in – 1949
137.Seed plant technique was developed by - Dr. Pushkarnath
138.The Head quarter of CPRI was Shifted from Patna to Shimla in 1956
139.True potato seed concept was first realize to raise commercial crop in India by Dr. S.Ramanujam (Fist
director of CPRI)
140.Cauliflower was introduced in India by Dr. Jemson from Kew Garden, London in the year 1822
141.Male sterility in cauliflower was introduced by Peerson (1981)
142.The toxic substance of cucurbits is – cucurbitacin
143.Which hormones are used in cucurbits to modify sex and to induce femaleness - GA & NAA
144.Seedless variety of mango is - Sindhu (devloped at FRS vengurula )
145.Most exported variety of mango is - Alphonso
146.Black tip in mango is a physiological disorder due to brick clin fumes mostly CO, SO2 or deficiency of
147.Which type of incompatibility is found in mango - gemtophytic
148.Mango variety , most suitable for high density planting is Amarpali
149.Mango inflorescence contains , which type of flowers - male and hermaphrodite
150.The off season mango variety is - Niranjan

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151.The only mutant cultivarr of mango is – Rosica
152.Magnifera contains about 41 species
153.The regular bearing varieties of mango are - neeum , Banglora , pairi, etc .
154.Mosambi a sweet orange cultivar was introduced from - Mozambi ue
155.The edible portion of citrus fruits is -juicy placental hairs
156.The first record of the name grape fruit in jamaica was in – 1814
157.The Banana breeding was first stared at - Imperial college of tropical agriculture in Trinidad (1922)
158.Banana Breeding was stared in India in 1949 at central Banana Research station , aduthurai (TN)
159.Banana can be stored at - 13 C and 85 % RH
160.Banana initiate flowering 9-12 months after Planting
161.The notice is papaya is tropical America
162.The yellow pigment in papaya is caricaxanthin
163.Papaya is the richest source of vitamin A next to mango it contains 2020 IU/ 100 g fruit
164.King of temperate fruit is - Apple
165.Family of apple is Rosaceae
166.Mother of all delicious group of cultivars is - red delicious
167.The king of arid fruit is ber
168.The commercial propagation method off grape is - hard wood cutting

Compiled by: Premaradhya, N. M.Sc. Agri. Agronomy Page 5 of 18

169.In India the black soil is mostly fond in - Maharashtra
170.Red soil is mostly found in – Tamilnadu
171.The soil which is most suitable for most crops is - sandy loam
172.Red colour in the red soils is due to presence of various oxides of irons
173.The vertical section of the soil showing the various layers from the surface to the unaffected parent
material is known as - soil profile .
174.The arrangement of soil particles and their aggregate into certain defined is called - soil structure
175.Particle density of soil is also known as - true density
176.Generally the particles density of normal soil is - 2.65 gram/cm3
177.The bulk density of normal soil is - 1.33 g/cm 3
178.The formula of porosity of soil is - porosity =100-(bulk density / Particle density )
179.The certain exchange capacity (CEC) of montmorillonite is - 60-100 me / 100 gm
180.The first soil classification system was developed by - russion scientist Dokuchaev (1880)
181.The U.S classification system the soil orders are – 10
182.Formula of bulk density is= wt. of soil / volume of solids and pores
183.Law of minimum was given by - Vn Liebig (1840)
184.Top most mineral horizon is - A horizon
185. exchangeable sodium %age is also known as soluble %age
186.The term pH was introduced by Sorensen (1909)
187.Energy exchange elements are H & O
188.K & Na is determined by Flame Photometer
189.Micro nutrient is also known as - trace element , Oligo -element or spurned elements
190.Crop logging techniqueue was given by - H. F. Clements
191.Metal nutrients are - K, fe, Ca, Mg, Mn, Zn, Cu.
192.Highly mobile nutrients are - N,P,K.
193.Criteria of essentiality was proposed by Arnon & Stout (1939)
194.The term fictional nutrient was proposed by - Nicholas (1961)
195.Moderate mobile nutrient is Zn
196.FYM contains - 0.5% N , 0.2 % P2O5 & 0.5 % K2O
197.The P is available at 6-7 pH
198.Bio fertilizers are - Rhizobium , Azotobacter, Azospirillum , PSB, VAM,BGA, etc.
199.Approx. 20 gram of rhizobium culture is required to treat one kg seed
200.One packet of rhizobium culture contains 20 gram of rhizobium culture

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