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Efficacy of Foliar Applied Urea and Zinc Sulphate on Growth and Fruiting of Ber (Zizyphus Mautitiana Lamk.) Cv-Umran

Surender Singh

出版	Horticulture, CCSHAU, Hisar, 1992
URL	http://books.google.com.hk/books?id=-yPeYgEACAAJ&hl=&source=gbs_api