Abstract
This study examined the effect of various nitrogen fertilizers in kilograms: 0kg, 30kg, 60kg, and 120kg on varieties of rice: NERICA L-19; NERICA L-20; NERICA L-41; NERICA L-42; and NERICA L-60 from the department of plant physiology and crop production in the college of plant science and crop production Federal University of Agriculture Abeokuta (FUNAAB), Ogun State Nigeria. Also, to determine the appropriate fertilizer at different levels and the best variety for optimum yield of rice and to compare the treatment means for each of the crop varieties. Analysis of Variance technique was used to investigate the effect of various kilograms of nitrogen fertilizers on the yield of the five different types of NERICA rice. The findings revealed that at all the levels of nitrogen fertilizers applied, 30kg of nitrogen fertilizer gave the optimum yield. Further to that, the study discovered that different levels of the nitrogen fertilizers applied did not significantly influence the tons of NERICA rice produced, that is the yield of rice in tons is independent of kilograms of nitrogen fertilizers applied. NERICA L-42 of rice is therefore recommended to farmers to be planted with 30kg of nitrogen fertilizers.
Highlights
In many tropical countries such as Nigeria, much priority was placed on agriculture as the main stay of the economy in the time past
And 2, it is so obvious that there is no significant difference in the yield of New Rice for Africa (NERICA) rice varieties planted with different levels of nitrogen fertilizers
The analysis of effect of fertilizers applied at different levels and varieties of rice on its yield shows that there is no significant difference in the effect of fertilizer on yield of rice
Summary
In many tropical countries such as Nigeria, much priority was placed on agriculture as the main stay of the economy in the time past. All these fertilizers were applied to some crops which include cucumber, crops squash and okra in a complete randomized design Their results showed that the crops produced better yields when inorganic fertilizers were applied than that of organic fertilizers especially when microbes is added to it. They applied manure sequel to the Estimated Mineralizable Nitrogen (EMN) level They measured higher Soil Plant Analysis Development (SPAD) values in Genkitsukushi at all growth period which lead to high seed and yield production than chemical fertilizer (CF100). This study compares the effect of different Nitrogen fertilizers on the production of NERICA rice among rice farming systems in Nigeria, using the experiment carried out at the department of plant physiology and crop production in the college of plant science and crop production Federal University of Agriculture Abeokuta (FUNAAB), Ogun State Nigeria.
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