학위논문
The Utilization of post-harvest urea sprays / by senescing apple leaves, changes in urease activity, and the effect of urea sprays upon subsequent yield
표제/저자사항 The Utilization of post-harvest urea sprays / by senescing apple leaves, changes in urease activity, and the effect of urea sprays upon subsequent yield / kyung-Ku Shim
발행사항 Urbana: [s.n.], 1972
형태사항 vi, 57 leaves.: illus.; 28 cm
주기사항 Thesis(Ph.D.) -- Univ. of Illinois at Urbana-Champaign, 1972
분류기호 듀이십진분류법-> 581.13
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