• Reference :1

    Basso, C., Wilms, F.W.W., Stuker, H., 1990. Soil-plant-fruit nutritional relationship in apple orchards in southern Brazil. Acta Horticulture 274, 33–42.
    Benbi, D.K., Brar, J.S., 2009. Twenty-five-year record of carbon sequestration and soil properties in intensive agriculture. Agronomy for Sustainable Development 29, 257–265.
    Cookson, W., Osman, M., Marschner, P., Abaye, D., Clark, I., Murphy, D., 2007. Controls on soil nitrogen cycling and microbial community composition across land use and     incubation temperature. Soil Biology and Biochemistry 39, 744–756.
    Dev, G., Kapoor, M.L., 1973. Note on the zinc content in apple leaves and soils in relationship to deficiency symptoms in Kullu valley of Himachal Pradesh. Indian Journal of Agriculture Science 43, 212–214.
    Ghuman, B.S., Sur, H.S., 2006. Effect of manuring on soil properties and yield of rainfed wheat. Journal of the Indian Society of Soil Science 54, 6–11.
    Grewal, J.S., Bhumla, D.R., Randhawa, N.S., 1969. Available micronutrient status of Punjab, Haryana and Himachal Pradesh soils. Journal of Indian Society of Soil Science 17, 27–31.
    Herencia, J.F., Ruiz, J.C., Melero, S., Garcia-Galavis, P.A., Maqueda, C., 2008b. A short term comparison of organic v. conventional agriculture in a silty loam soil using two organic amendments. Journal of Agricultural Science 146, 677–687.
    Herencia, J.F., Ruiz, J.C., Morillo, E., Melero, S., Villaverde, J., Maqueda, C., 2008a. The effect of organic and mineral fertilization on micronutrient availability in soil. Soil Science 173, 69–80.
    Jackson, M.L., 1973. Soil chemical analysis. Prentice Hall of India Pvt. Ltd., New Delhi, 498.
    Jha, S.N., Mishra, L.K., Jha, N.K., 1988. Studies on distribution of some nutrient elements and solutes in calcarious soils of Bihar. Journal of the Indian Society of Soil Science 36, 421–426.
    Kanwar, S.M., 1987. Apples Production Technology and Economics. Tata McGraw-Hill Publishing Company Limited. New Delhi, 899.
    Karlen, D.L., Stott, D.E., 1994. A framework for evaluating physical and chemical indicators of soil quality. Soil Science Society of America, 35, 53–72.
    Lindsay, W.I., Norvell, W.A., 1978. Development of DTPA micronutrient soil test. Agronomy Abstracts 32, 84.
    Maurya, P.R., Ghosh, A.B., 1972. Effect of long-term manuring and rotational cropping on fertility status of alluvial calcareous soil. Journal of the Indian Society of Soil Science 20, 31–43.
    Merwin, H.D., Peach, M., 1951. Exchangeability of soil potassium in sand, silt and clay fraction as influenced by the nature of complementary exchangeable cation. Soil Science American Proceedings 15, 125–128.
    NHB, 2018. National Horticulture Board. Available from http://nhb.gov.in/area-prod-Database-2018.pdf.
    Nannipieri, P., Ceccanti, B., Grego, S., 1990. Ecological significance of biological activity in soil. Soil Biochemistry, 293–354.
    Olsen, R., Csole, C.V., Wantanable, F.S., Dean, L., 1954. Estimation of available P in soil by extraction with sodium bicarbonate, U S Department Agricultural Citric, 939.
    Peck, G.M., Andrews, P.K., John Reganold, P., John Fellman, K., 2006. Apple orchards productivity and fruit quality under organic, conventional and integrated management. Horticultural Science 41, 99–107.
    Prakash, Y.S., Bhadoria, P.B.S., Amitaya, R., 2002. Comparative efficacy of organic manures on the changes in soil properties nutrient availability in an alfisol. Journal of the India Society of Soil Science 50, 219–221.
    Ruth, P.B., Goh, K.M., 1992. Effects of urea fertigation of apple trees on soil pH, exchangeable cations and extractable manganese in a sandy loam soil in New Zealand. Fertilizer Research 33, 239–247.
    Sharma, A.K., 2002. A Handbook of Organic Farming, Agriobios India Jodhpur, 90.
    Srikanth, K., Srinivasamurthy, C.A., Siddaramappa, R., ParamaRamakrishnan, V.R., 2000. Direct and residual effect of enriched composts, FYM, vermicompost and fertilizers on properties of an alfisols. Journal of the Indian Society of Soil Science 48, 496–499.
    Subbiha, B.V., Asija, J.L., 1956. Rapid procedure for estimation of available nitrogen in soil. Current Science 25, 259–260.
    Tomar, N.K., Dev, G., Randhawa, N.S., 1970. Zinc deficiency- a major problem for apples in Kullu valley. Indian Horticulture Science 15, 5.
    Usha, K., Saxena, A., Singh, B., 2004. Rhizosphere dynamics influenced by arbuscular mycorrhizal fungus (Glomus deserticola) and related changes in leaf nutrient status and yield of kinnow mandarin (Citrus nobilis×citrus deliciosa). Australian Journal of Agricultural Research 55, 571–576.
    Verma, S.D., Tripathi, B.R., Kanwar, B.S., 1985. Soils of Himachal Pradesh and their management. In: Fertilizer Association of India, New Delhi. Soils of India and Their Management, 149–163.
    Walker, D.R., Mason, D.D., 1960. Nutritional status of apple orchards in North Carolina. Proceedings of American Society for Horticulture Science 75, 22–31.
    Walkley, A.J., Black, I.A., 1934. Estimation of soil organic carbon by chromic acid titration method. Soil Science 37, 29–38.
    Wells, A.T., Chan, K.Y., Cornish, P.S., 2000. Comparison of conventional and alternative     vegetable farming systems on the properties of a yellow earth in New South Wales. Agriculture Ecosystem and Environment 80, 47–60.

People also read

Review Article

Efficacy of Biotic and Chemical Inducers of SAR in Management of Plant Viruses

Himashree Dutta, R. Gowtham Kumar and Munmi Borah

Elicitors, induced resistance, plant defense

Published Online : 29 Aug 2019

Review Article

Organic Farming's Impact on the Environment: The Controversy

Ishani Mohan, Rishav Paul, Nadam Akshay Kumar and Shilpa Kaushal

Biodiversity, climate change, environmental effects, organic agriculture

Published Online : 25 Nov 2022

Full Research

Occurrence of Diseases in Floricultural Crops in and around Jorhat, Assam

Munmi Borah, Moyurtrishna Rajkhowa and Sakendar Ali

Disease incidence, floricultural crops, survey, pathogenic diseases, microscopic observation

Published Online : 28 May 2019