[1]
|
R. T. Conant, M. Easter, K. Paustian, A. Swan and S. Williams, “Impacts of Periodic Tillage on Soil C Stocks: A Synthesis,” Soil Tillage and Research, Vol. 95, No. 1-2, 2007, pp. 1-10. http://dx.doi.org/10.1016/j.still.2006.12.006
|
[2]
|
S. Kumar, M. S. Aulakh and A. K. Garg, “Soil Aggregates, Organic Matter, and Labile C and N Fractions after 37 Years of N, P and K Applications to an Irrigated Subtropical Soil under Maize-Wheat Rotation,” Journal of Agricultural Science and Technology, Vol. 1, No. 2A, 2011, pp. 170-181.
|
[3]
|
K. K. M. Nambiar, “Major Cropping Systems in India,” In: Barnett, et al., Eds., Agricultural Sustainability: Economics, Environmental and Statistical Considerations, John Wiley & Sons, Chichester, 1995, pp. 135-142.
|
[4]
|
M. S. Aulakh, N. S. Pasricha and G. S. Bahl, “Phosphorus Fertilizer Response in an Irrigated Soybean-Wheat Production System on a Subtropical, Semiarid Soil,” Field Crops Research, Vol. 80, No. 2, 2003, pp. 99-109. http://dx.doi.org/10.1016/S0378-4290(02)00172-7
|
[5]
|
M. S. Aulakh, J. S. Manchanda, A. K. Garg, S. Kumar, G. Dercon and M. L. Nguyen, “Crop production and Nutrient Use Efficiency of Conservation Agriculture for Soybean-Wheat Rotation in the Indo-Gangetic Plains of North-western India,” Soil Tillage and Research, Vol. 120, 2012, pp. 50-60. http://dx.doi.org/10.1016/j.still.2011.11.001
|
[6]
|
R. E. Yoder, “A Direct Method of Aggregate Analysis of Soils and a Study of the Physical Nature of Soil Erosion Losses,” Journal of American Society of Agronomy, Vol. 28, No. 5, 1936, pp. 337-351. http://dx.doi.org/10.2134/agronj1936.00021962002800050001x
|
[7]
|
W. B. McGill, K. R. Cannon, J. A. Robertson and F. D. Cook, “Dynamics of Soil Microbial Biomass and Water Soluble Organic C in Breton L after 50 Years of Cropping to Two Rotations,” Canadian Journal of Soil Science, Vol. 66, No. 1, 1986, pp. 1-19. http://dx.doi.org/10.4141/cjss86-001
|
[8]
|
C. A. Cambardella and E. T. Elliott, “Particulate Soil Organic Matter Changes across a Grassland Cultivation Sequence,” Soil Science Society of America Journal, Vol. 56, No. 3, 1992, pp. 777-783. http://dx.doi.org/10.2136/sssaj1992.03615995005600030017x
|
[9]
|
J. E. Compton and R. D. Boone, “Soil Nitrogen Transformation and the Role of Light Fraction Organic Matter in Forest Soils,” Soil Biology and Biochemistry, Vol. 34, No. 7, 2002, pp. 933-943. http://dx.doi.org/10.1016/S0038-0717(02)00025-1
|
[10]
|
D. R. Keeney, “Nitrogen-Availability Indices” In: A. L. Page, et al., Eds., Methods in Soil Analysis—Part 2, Chemical and Microbial Properties, 2nd Edition, Soil Science Society of America, Madison, 1982, pp. 711-733.
|
[11]
|
W. R. Horwath and E. A. Paul, “Microbial Biomass,” In: R. W. Weaver, et al., Eds., Methods of Soil Analysis— Part 2, Microbiological and Biochemical Properties, 2nd Edition, Soil Science Society of America, Madison, 1994, pp. 753-771.
|
[12]
|
P. C. Brookes, A. Landman, G. Pruden and D. S. Jenkinson, “Chloroform Fumigation and the Release of Soil Nitrogen: A Rapid Direct Extraction Method to Measure Microbial Biomass Nitrogen in Soil,” Soil Biology and Biochemistry, Vol. 17, No. 6, 1985, pp. 837-842. http://dx.doi.org/10.1016/0038-0717(85)90144-0
|
[13]
|
W. G. Cochran and G. M. Cox, “Experimental Designs,” Wiley, New York, 1950.
|
[14]
|
M. S. Aulakh, T. S. Khera, J. W. Doran, Kuldip-Singh and Bijay-Singh, “Yields and Nitrogen Dynamics in a Rice-Wheat System Using Green Manure and Inorganic Fertilizer,” Soil Science Society of America Journal, Vol. 64, 2000, pp. 1867-1876.
|
[15]
|
X. H. Hao, S. L. Liu, J. S. Wu, R. G. Hu, C. L. Tong and Y. Y. Su, “Effect of Long-Term Application of Inorganic Fertilizer and Organic Amendments on Soil Organic Matter and Microbial Biomass in Three Subtropical Paddy Soils,” Nutrient Cycling in Agroecosystems, Vol. 81, No. 1, 2008, pp. 17-24. http://dx.doi.org/10.1007/s10705-007-9145-z
|
[16]
|
T. Kaur, B. S. Brar and N. S. Dhillon, “Soil Organic Matter Dynamics as Affected by Long-Term Use of Organic and Inorganic Fertilizers under Maize-Wheat Cropping System,” Nutrient Cycling in Agroecosystems, Vol. 81, No. 1, 2008, pp. 59-69. http://dx.doi.org/10.1007/s10705-007-9152-0
|
[17]
|
A. J. Franzluebbers and M. A. Arshad, “Soil Microbial Biomass and Mineralizable Carbon of Water-Stable Aggregates,” Soil Science Society of America Journal, Vol. 61, No. 4, 1997, pp. 1090-1097. http://dx.doi.org/10.2136/sssaj1997.03615995006100040015x
|
[18]
|
J. Balasdent, C. Chenu and M. Balabane, “Relationship of Soil Organic Matter Dynamics to Physical Protection and Tillage,” Soil Tillage and Research, Vol. 53, No. 3-4, 2000, pp. 215-230. http://dx.doi.org/10.1016/S0167-1987(99)00107-5
|
[19]
|
E. G. Gregorich and H. H. Janzen, “Storage of Soil Carbon in the Light Fraction and Macro Organic Matter,” In: M. R. Carter and B. A. Stewart, Eds., Advances in Soil Science, Structure and Organic Matter Storage in Agricultural Soils, CRC Press, Lewis Publisher, Boca Raton, 1996, pp. 167-190.
|
[20]
|
A. J. Franzluebbers, G. W. Langdale and H. H. Schomberg, “Soil Carbon, Nitrogen and Aggregation in Response to Type and Frequency of Tillage,” Soil Science Society of America Journal, Vol. 63, No. 2, 1999, pp. 349-355. http://dx.doi.org/10.2136/sssaj1999.03615995006300020012x
|
[21]
|
J. Six, E. T. Elliott and K. Paustian, “Aggregate and Soil Organic Matter Dynamics under Conventional and No-Tillage Systems,” Soil Science Society of America Journal, Vol. 63, No. 5, 1999, pp. 1350-1358. http://dx.doi.org/10.2136/sssaj1999.6351350x
|
[22]
|
M. R. Carter, D. A. Angers, E. G. Gregorich and M. A. Bolinder, “Characterizing Organic Matter Retention for Surface Soils in Eastern Canada Using Density and Particle Size Fractions,” Canadian Journal of Soil Science, Vol. 83, No. 1, 2003, pp. 11-23. http://dx.doi.org/10.4141/S01-087
|
[23]
|
A. Tirol-Padre, K. Tsuchiya, K. Inubushi and J. K. Ladha, “Organic Amendments Affect Soil Parameters in Two Long-Term Rice-Wheat Experiments,” Soil Science Society of America Journal, Vol. 71, No. 2, 2007, pp. 442-452. http://dx.doi.org/10.2136/sssaj2006.0141
|
[24]
|
S. S. Walia and D. S. Kler, “Effect of Farmyard Manure on Soil Properties in Maize-Wheat System,” Journal of Research, Punjab Agricultural University, Vol. 43, No. 4, 2006, pp. 292-295.
|
[25]
|
G. S. Kang, V. Beri, B. S. Sidhu and O. P. Rupela, “A New Index to Assess Soil Quality and Sustainability of Wheat-Based Cropping Systems,” Biology and Fertility of Soils, Vol. 41, No. 6, 2005, pp. 389-398. http://dx.doi.org/10.1007/s00374-005-0857-4
|
[26]
|
D. Yan, D. Wang and L. Yang, “Long-Term Effect of Chemical Fertilizer, Straw and Manure on Labile Organic Matter Fractions in a Paddy Soil,” Biology and Fertility of Soils, Vol. 44, No. 1, 2007, pp. 93-101. http://dx.doi.org/10.1007/s00374-007-0183-0
|
[27]
|
M. C. Manna, A. Swarup, R. H. Wanjari, Y. V. Singh, P. K. Ghosh, K. N. Singh, A. K. Tripathi and M. N. Saha, “Soil Organic Matter in West Bengal Inceptisol after 30 Years of Multiple Cropping and Fertilization,” Soil Science Society of America Journal, Vol. 70, No. 1, 2006, pp. 121-129. http://dx.doi.org/10.2136/sssaj2005.0180
|
[28]
|
R. C. Dalal, P. A. Henderson and J. M. Glasby, “Organic Matter and Microbial Biomass in a Vertisol after 20 yr of Zero-Tillage,” Soil Biology and Biochemistry, Vol. 23, No. 5, 1991, pp. 435-441. http://dx.doi.org/10.1016/0038-0717(91)90006-6
|