Long-Term Effect of Rice-Wheat Cropping System on Cobalt in Relation to Manganese and Iron Content in Coarse Textured Calcareous Alluvial Soils von Takkar, PN

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Effects of repeated manure and fertilizer phosphorus additions on soil phosphorus dynamics under a soybean-wheat rotation von Damodar Reddy, D, Subba Rao, A, Takkar, P.N

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Yield sustainability and phosphorus utilization in soybean–wheat system on Vertisols in response to integrated use of manure and fertilizer phosphorus von Damodar Reddy, D, Subba Rao, A, Sammi Reddy, K, Takkar, P.N

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Mathematical models to study the kinetics of potassium release from swell-shrink soils of Central India in relation to their mineralogy von Rao, Ch. Srinivasa, Pal, D. K., Takkar, P. N.

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Growth and reproduction of the vermicomposting earthworm Perionyx excavatus as influenced by food materials von Manna, M.C, Singh, M, Kundu, S, Tripathi, A.K, Takkar, P.N

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Residual management of sulfur applied to soybean or wheat in a soybean–wheat system on Vertisols von GANESHAMURTHY, A. N, TAKKAR, P. N

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Potassium Status in Maize Rhizosphere of Smectitic Soils von Rao, Ch. Srinivasa, Takkar, P. N.

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Field screening of wheat cultivars for manganese efficiency von Bansal, R.L., Nayyar, V.K., Takkar, P.N.

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Upper critical level of copper in wheat (Triticum aestivum) raised on typic ustipsamment soil von Chhibba, I.M, Nayyar, V.K. (Punjab Agricultural Univ., Ludhiana (India)), Takkar, P.N. (Indian Institute of Soil Science, Bhopal (India))

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Tolerance of wheat (Triticum aestivum) and triticale (XTriticosecale) to manganese deficiency von Bansal, R.L, Nayyar, V.K, Takkar, P.N. (Punjab Agricultural University, Ludhiana (India))

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Toxic levels of soil and plant zinc for maize and wheat von Takkar, P. N., Mann, M. S.

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Relationship of total and ferrous iron with the incidence of chlorosis in some genetic lines of Cicer arietinum von Kaur, Narinder P., Nayyar, V.K., Takkar, P.N.

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Antagonism of micronutrient cations on sweet orange leaves von Mann, M.S., Takkar, P.N.

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Critical level of DTPA extractable Zn for wheat in alkaline soils of semiarid region of Punjab, India von Bansal, R. L., Takkar, P. N., Bhandari, A. L., Rana, D. S.

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Distribution of iron and manganese in meadow forest - non-calcic brown and gray-brown podzolic soils of the himachal pradesh (India) von Takkar, P.N.

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Effect of organic matter on soil iron and manganese von Takkar, P.N

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Zinc equilibria in submerged sodic soils as influenced by application of amendments von Sadana, US, Takkar, PN

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Evaluation of soil procedures for predicting zinc availability to wheat under calcareous alkaline field conditions von Bansal, R.L., Takkar, P.N., Sahota, N.S., Mann, M.S.

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Evaluation of various zinc sources for rice grown on alkali soil von Nayyar, V. K., Takkar, P. N.

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Critical levels of Mn in coarse textured rice soils in India for predicting response of barley to Mn application von Bansal, RL, Takkar, PN, Nayyar, VK

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