Castroverde, Y. L. (1980). Effects of the different tillage techniques on the efficiency of weed control and nitrogen uptake in transplanted rice [microform]. Photoduplication Service, University of the Philippines Library.
Citace podle Chicago (17th ed.)Castroverde, Yolanda LUmanug. Effects of the Different Tillage Techniques on the Efficiency of Weed Control and Nitrogen Uptake in Transplanted Rice [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1980.
Citace podle MLA (9th ed.)Castroverde, Yolanda LUmanug. Effects of the Different Tillage Techniques on the Efficiency of Weed Control and Nitrogen Uptake in Transplanted Rice [microform]. Photoduplication Service, University of the Philippines Library, 1980.
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