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Agriculture Regionalization Using for Doi's Crop Combination Methods Case Study of Tamil Nadu Cauvery Basin 2014-2015

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Abreast: The use of the Doi's crop combination Method on the river Cauvery in Tamil Nadu is mainly to explore combinations of agricultural crops. These methods illustrate future planning tools for the growth and development of agricultural crops
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  Agriculture Regionalization Using for Doi’s Crop Combination Methods Case Study of Tamil Nadu Cauvery Basin 2014- 2015 Corresponding Author: Dayalan N 1 , Guest Lecture, Department of Geography, Periyar E.V.R College (A), Trichirappalli-620 023, Tamil Nadu, India. Geodayalan89@gmail.com Pavendar. T 2  Assistance professor, Department of geography, Periyar e.v.r college (auto.), Triuchirappalli-620 023, Tamil Nadu, India.  pavendart@gmail.com  Abreast: The use of the Doi’s crop combination Method on the river Cauvery in Tamil Nadu is mainly to explore combinations of agricultural crops. These methods illustrate future  planning tools for the growth and development of agricultural crops in these areas. Agricultural Cultivation Analysis Research Agricultural geography or regional geography is an important feature. Crops generally maintain the status of other crops at specific times, at specific times and in time. It is located between latitudes 76 o 2 ” to 79  o  8 ”  E and longitude 12 0 7’ N, 10 0  14 ”  N length. The Cauvery river basin lies between districts is 17 of Tamil Nadu state. Cauvery River is the longest river and largest basin in south India. Paddy, Cholam, Cumbu, Ragi, Maize, Other Cereals, Bengal Gram, Red gram, Green Gram, Black Gram, Horse gram, Other Pulses, Sugar cane, Cotton, Ground nut, Gingelly, Castor crops were majorly cultivated in the study area. The Doi’s method 1 st  (1957) used in Industrial Combination Structure in Tokyo, Japan. After 1959 modified used in crop combination. These methods apply to Tamil Nadu Cauvery Basin. There are eight crops combination in this area. This crops combination depends on the factors of crop growing in the study area. The crop combination method of regional planning of future crops can be used to propose crop combination to understand the revenue generated environment. Keywords: Crop Combination, Doi’s, Ariyalur, Basin, Maize, Planning   1.   Introduction : Recently the crop combinational analysis in geographical studies has developed and the importance of this type of study is flowering recent trends. Such studies are fruitful in many ways; firstly, it provides an adequate understanding of an individual crop cultivated region and crop-combination regions is in reality that demand definition and distributional analysis. The study of ranking method reveals that in order to derive primary crop combination regions, it is not only that rank which counts but also the actual differences in the extent of each crop. (Najma khan). The weaver techniques were subsequently modified by Doi’s 1959. Doi’s techniques used to be considered to be the easiest for combination analysis prior to the application of computer programming facilities (Husain. M ). The study of crop combination regions constitutes an important aspect of agricultural geography as it provides a good basis agricultural regionalization. Crops are generally grown in combinations (Weaver, 1954). The study of crop combination of any region has gained importance in geographical study. It gives us the relative position of crops on regional scale. Farmers grow crops in varied  physical and cultural conditions. The pattern of crop combination gives rise to spatial  predominance of certain crops or combination results in the emergence of crop regions. The study of crop combination thus forms an integral part of agricultural geography, and such study is greatly helpful for regional agricultural planning. Study of cropping pattern and crop combination is by far the two most familiar and universal methods of agricultural regionalization. Unlike the previous findings, this study has been directed to upgrade the agricultural regionalization methods. The present research work is trying to generate inputs  by processing the data using recent technologies like Geographical information System (GIS) in cooperating with in situ observations and field verification (Panigrahy, 2005). 2.   Geographical factors :      Source: Systematic Agriculture Geography, Majid Husain   Figure No.: 1 Geographical Factor 3.   Database and Methodology: Agriculture crop combination is made with help of secondary data obtained from the agriculture cropped area in Hectors from Tamil Nadu Statistical hand book year 2014-15. In order determine Cauvery basin districts wise crop combination of Doi’s Method is used for the calculation of the location quotient. The following formula used to work out the concentration of crop combination in Cauvery basin. The Doi’s method 1 st  (1957) used in Industrial Combination Structure in Tokyo, Japan. After 1959 modified used in crop combination. The present study adopted in Doi’s crop combination in Tamil Nadu Cauvery  basin. The aim is present studies have been adapted to show the regional wise crop combination in the basin. 4.   Geographical Back Round of the Study:   Figure No.: 2 Study area The Cauvery river basin lies between districts is Nilagiris, Coimbatore, Tirupur, Erode, Dharmapuri, Krishnagiri, Salem, Namakkal, Karur, Dindigul, Pudukottai, Trichirappalli, Perambalur, Ariyalur Thanjavur, Tiruvarur, Cuddalore and Nagapattinam of Tamil Nadu state. It is located between latitudes76” 2’E, 79”8’ E and 12”7’ N, 10”14 N longitudes. The Cauvery River is biggest river in south India. It srcinated in the Tala - Cauvery on the Brahmagiri range in the Western Ghats in Karnataka at an elevation of about 1341 m above mean sea level and flows for about 800 km, before it reaches into the Bay of Bengal. The basin drains a total area of 81,155 Sq.Kms (Tamil Nadu, Kerala and Karanataka). It enters Tamil Nadu in the region of Manner village near to the Bhavani   Town and flowing from West to East for 234 kms. Due to this, Cauvery basin has tropical climate and our study area has monsoon rain. Here, the recorded maximum and minimum temperatures are 44°C and 18°C respectively. These basin recorded average rainfall is 2224 mm. The Physiographic divisions has controlled by Structural hills, Denudational and Pediplain and Fluvial process. The major tributaries are Amravati, Hemavathi, Kabini, Noyil and Bhavani. All the distributaries in this region are non-perennial and river flow is mainly due to Cauvery water release during June to January. The length of the river Cauvery from the head to its outfall into the sea comprises a length of 43,867 km 2  in Tamil Nadu. The  principal soil types found in the basin are Black soils, Red soils, Laterites, Alluvial soils, Forest soils, and Mixed soils. Red soils and Black soil occupy large areas in the basin covered in Coimbatore, Erode, Salem, Tirupur and Karur. Alluvial soils are found in the delta region   of    Trichirappalli, Thanjavur, Tiruvarur, Cuddalore, Perambalur, Ariylur and Nagapattinam. This region is major agriculture crop cultivation zone in Tamil Nadu. (Fig. No. 2)    5.   Discussion: The weaver techniques were subsequently modified by Doi’s 1959. Doi’s techniques used to be considered to be the easiest for combination analysis prior to the application of computer programming facilities. Tamil  Nadu used the Doi’s method on the Cauvery River to study the agrarian crop combination mainly as a future planning tool for agricultural crop growth in the region. The study of Agricultural Crop Additives is an important element of agricultural regionalization. The crops are usually associated and the particular crop is in the standpoint of the other crops in the specified time period. Indicates the value of the Doi’s crop combination method for different components in different ranks against the overall ratio of the elements in the high-level and crop elements are Paddy, Cholam, Cumbu, Ragi, Maize, Other Cereals, Bengal Gram, Red gram, Green Gram, Black Gram, Horse gram, Other Pulses, Sugar cane, Cotton, Ground nut, Gingelly, Castor crops in the study area. Instead of finding distinctions between real percentages and theoretical distribution of Abridged of Deviation Analysis table (Annexe  –   I ), only real  percentage is required under different crops. In 1957 Doi's crop combination method, the real value of the harvest combination from the method of theory was found using the Abridged of Deviation Analysis table. This method is to understand current system of crop combination and regional planning for integrated planning 6.   Crop Ranking: The percentage crops of Tamil Nadu Cauvery River area are given in area figure  Number 3, 4 and 5.
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