TY - BOOK AU - Ameu, Martin. TI - Determination of economic injury levels and economic thresholds of a phis craccivora and maruca vitrata on cowpea U1 - U 632.752 AME PY - 2004/// CY - Kampala KW - Cowpea KW - Agriculture KW - Economic aspects N1 - Thesis (M.Sc. Agric.) - Makerere University, 2004; Includes bibliographical references (p. 107-119) ER -