Qadir, M., I. Ahmad and A. Ghafoor. 1992. Availability of applied copper and zinc to rice and their concentration in soil after crop harvest. p. 169-172. Proc. Efficient Use of Plant Nutrients. 4th Natl. Congr. of Soil Sci. May 24-26, 1992. Islamabad, Pakistan. Conference Paper uri icon

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publication date

  • May 1992