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International Journal of Applied Agricultural & Horticultural Sciences
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DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 4 (6) : November-December 2013 issue
Green Farming Vol. 4 (6) : 737-740 (November-December, 2013)
Studies of soil fertility in mandarin orange orchards of Hingoli district and relationship with available soil nutrients
S.E. SHINDE1*, H.K. KAUSADIKAR2, S.S. MORE3 and V.D. PATIL4
Deptt of Soil Science & Ag. Chemistry, College of Agriculture, Marathawada Krishi Vidyapeeth, Parbhani - 431 402 (M.S.)
Designation :  
1,2Ph.D. Scholar *(shivraje.shinde1@gmail.com), 3Asstt. Professor, 4Head
Subject : Soil Science & Agric. Chemistry; Soil Health & Soil Conservation Engg.
Paper No. : P-1110
Total Pages : 4
Received : 08 September 2013
Revised accepted : 26 October 2013
First Page
Citation :

S.E. SHINDE, H.K. KAUSADIKAR, S.S. MORE and V.D. PATIL. 2013. Studies of soil fertility in mandarin orange orchards of Hingoli district and relationship with available soil nutrients. Green Farming Vol. 4 (6) : 737-740 ; November-December, 2013

ABSTRACT
Totally sixty nine orchards were selected from Hingoli district of Marathwada region for the study. The surface and sub-surface soil samples were collected along with representative leaf samples. The Mandarin orange soils were found to be neutral to moderately alkaline in reaction. The EC values were in safe limit of salt concentration. The soils of Mandarin orange orchards in Marathwada region were found poor to rich in organic carbon content and found in the non-calcareous to calcareous range. The available nitrogen content of soil ranged in low to optimum range and surface soils were high in N availability than sub-surface soil. In general, the available P content was in low to medium range and higher in surface soil than sub-surface soils. Potassium content was high in range. The N, P, K content decreases with increase in soil depth. The calcium content ranged in optimum to excess range and surface soils were higher in Ca content than sub-surface soils. Soil Mg content varied in the range of optimum to excess in surface and sub-surface soils. The soil Ca and Mg showed in consistent pattern in surface and subsurface soils. Soil S decreased sharply with soil depth. Soil micronutrients like Zn , Fe, Cu and Mn content was observed in low to high ,deficient to excess, deficient to optimum and deficient to high category . And soil Zn, Fe, Cu, and Mg content also showed in consistent pattern of availability in surface and sub-surface soils. The soils were found deficient in Zn content. The B content found in the deficient to optimum category of availability. It was found that decrease of available B with increase in soil depth. The Mo content was in the optimum range. In case of leaf macro-nutrients viz. leaf N, P and K ranged with a mean value of 2.33, 0.16 and 1.98 per cent, respectively. Similarly, leaf Ca, Mg, and S varied with an average value of 5.42, 0.48 and 0.25 per cent, respectively. It was also noticed that, micronutrients viz., Fe, Mn, Zn and Cu differed with an mean values of 144.8, 31.49, 35.07 and 4.7 μg g-1, respectively. Leaf boron and Molybdenum showed the average value of 63.74 and 1.11μg g-1, respectively. Available nitrogen showed a positive significant relationship was observed with organic carbon content in soil. On the other hand, the availabilities of P, Ca, Mg, Zn and Cu were significantly and positively influenced by pH, EC and organic carbon content in soil. The leaf nutrients were significantly positively correlated with the respective soil nutrients.
Key words :
Characteristics, Citrus reticulata, Mandarin orange, Relationship of characters, Soil fertility, Soil nutrients.