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    THE IMPACT OF HUMAN CAPITAL DEVELOPMENT ON AGRICULTURAL OUTPUT IN NIGERIA by NNANA OKOI OFEM, TANGBAN EGBE EBAGU, WILLIE WILFRED OKOI, RITA NGOZI OKAFOR

    Published 2024-02-01
    “… This study employed the Ordinary Least Square (OLS) estimation technique to examine the impact of human capital development on agricultural productivity in Nigeria for the period 1981-2022. The objectives of the study were to examine the impact of aggregate investment in education on agricultural output, and aggregate investment in healthcare on agricultural output in Nigeria. …”
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    林麝寄生虫的研究 by 邬捷, 蒋学良, 余加富, 马福和, 汪世忠

    Published 1983-01-01
    “…关于林麝寄生虫的研究,国内尚缺乏系统的调查研究。1960年至1981年,我们曾在西藏的昌都地区八宿县和四川省阿坝河的马尔康、红原、黑水等县、先后解剖林麝15只,共发现内外寄生虫16种,其中2种为新种,分属于6纲13科14属。…”
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    中华按蚊自然种群动力学——Ⅱ、中华按蚊幼虫期存活率 by 潘实清

    Published 1984-01-01
    “…有关中华按蚊的种群动力学研究,国内目前仅限于实验种群的观察(曲传智,1981,苏寿(氵氏)等,1982)。对现场自然种群的观察,尚未见报道。本文通过现场观察中华按蚊各龄期幼虫存活率的结果,作为研究中华按蚊自然种群动力学的一个组成部分,比较各龄期幼虫的变动情况,分析种群增殖与死亡的相互关系,反映自然界中华按蚊种群变动,为寻找更有效的防制提供依据。…”
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