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INTRODUCTION Nitrogen is the major gas available in the atmosphere covering over 70% of the earth’s atmosphere. Apart from the nitrogen already available in the atmosphere there are other factors that generate nitrogen. The factors include instream sources like salmon carcasses and litter fall vegetation i.e. from nitrogen fixing plants natural biochemical processes such as decomposition of plants and animals among other sources. Nitrogen fixation is a natural process by which nitrogen from the atmosphere is converted to ammonia in leguminous plants. This process is done by nitrogenase enzyme present in nitrogen fixing crops which reduces atmospheric dinitrogen to two moles of ammonia used by leguminous plants.nitrogen fixation plays a key role in facilitating production in leguminous crops when available fixed nitrogen sources have been depleted. Nitrogen fixation is mainly done mostly by bacteria. They are divided into two kinds: Free living bacteria. For example cyanobacteria anabaena azotobacter clostridium statistic at a given level of significance then we fail to accept the null hypothesis and make an appropriate conclusion. For the treatments i.e. crops: At 5% level of significance the critical F-statistic for crops is 1.6816. Since the calculated F-statistic from the ANOVA is less than the critical F-statistic i.e. 1.0015<1.6816 we accept the null hypothesis at 5% level of significance and conclude that the different crops tested i.e. cowpeas soybeans and maize have no significant difference in the percentage of nitrogen fixed from the atmosphere. For blocks i.e. sample atoms and natural variations At 5% level of significance the critical F-statistic for the blocks is 4.0785. Since the calculated F-statistic from the ANOVA is greater than the corresponding critical F-statistic i.e. 52.6747>4.0785 we fail to accept the null hypothesis at 5% level of significance and conclude that the sample atoms have significant effects on the natural variations. [...]
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i need 1800words and anova test with fully explanation of sheet
Subject Area: Statistics
Document Type: Reports
