Effect of NPK Fertilizers on the Performance of Cassava Varieties (Manihot esculenta Crantz) in Humid Tropics, Niger Delta, Nigeria | Chapter 8 | Current Research Progress in Agricultural Sciences Vol. 10

Primary macronutrients play a very important role in improving the yield and quality of crops. Three main elements are nitrogen, phosphorus, and potassium (N, P, and K) and are required in abundance. They must be readily available through soil medium or fertilizer. An experiment was conducted to determine the performance of three cassava varieties with two NPK fertilizer types. The study was done at the Rivers State University Teaching and Research Farm in Port Harcourt, between March 2021 and February 2022. The treatments were cassava varieties TMS 95/0289, TMS 96/0523, and TME 419. NPK fertilizers were NPK 15-15-15 and NPK 20-10-10. The treatments were combined in a split-plot arrangement in a Randomized Complete Block Design (RCBD) replicated three times. Parameters evaluated were the number of branches per stand and canopy width which were assessed from 10 weeks after planting and subsequently at 4 weekly intervals. Fresh/dry pulp weight and fresh/dry peel weight were determined after crop harvest.  The evaluation of the performance of three cassava varieties was studied using two compound fertilizer types at the Teaching and Research Farm, Rivers State University Port Harcourt between March 2021 and February 2022. The treatments were combined in a split-plot arrangement in a Randomized Complete Block Design (RCBD) with three replicates. Parameters evaluated were the number of branches and canopy diameter at four weekly intervals starting from the tenth week after planting and ending with fresh/dry pulp weight and fresh/dry peel weight were also taken. Results show that cassava variety TMS 95/0289 interacting with NPK 15-15-15 produced the highest branches per plot (24.7), TMS 96/0523 interacting with NPK 15-15-15 produced the widest canopy diameter per stand (263.1cm), fresh peels weight and dry peels weight (129.7g and 100.3g). TME 419 interacting with NPK 15-15-15 compound fertilizer produced the highest fresh and dry pulp weight with mean values of 722.7 and 487.0. Application of NPK fertilizer especially NPK 15-15-15 enhanced the number of branches, dry pulp weight, dry peel weight and canopy diameter. TME 419 had higher fresh/dry pulps and dry peels weight while TMS 96/0523 had high fresh peels weight and canopy width respectively. Whereas cassava variety TMS 95/0289 was high in the number of branches. Thus it is recommended that TME 419 be introduced to farmers as it produces the highest pulp weight per stand. Also, fertilizer NPK 15-15-15 is a preferred NPK fertilizer as it has the capability to increase the number of branches, canopy width, peel weight and pulp weight in comparison with NPK 20-10-10. Further growth and yield were mostly enhanced with NPK 15-15-15 fertilizer application compared to NPK 20-10-10. However, more field research on these fertilizers is needed to better understand their effects on cassava performance.

 

Author (s) Details

Lawson T. S.
Teaching and Research Farm, University of Port Harcourt, P.M.B. 5323, Port Harcourt, Nigeria.

 

Please see the book here:- https://doi.org/10.9734/bpi/crpas/v10/4795

 

Effect of Fertilizers on Proximate Composition and Nutritive Quality Potential of Lettuce (var. Eden), Sweet Pepper (var. Yellow Wonder), and Carrot (var. Bahia) | Chapter 1 | Current Research Progress in Agricultural Sciences Vol. 5

Background: Vegetables are diverse in their cultivated, semi-cultivated, and wild states. Generally, all over the world, vegetables are used either as a whole meal or as a complement to the main meal. In Ghana, vegetables constitute an important component of the diet of the people.

Purpose: A study was conducted on the effect of single-based fertilizers and compound fertilizers on the nutritive quality potential of lettuce (var. Eden), sweet pepper (var. Yellow wonder), and carrot (var. Bahia).

Research Methods: This was accomplished following a Completely Randomized Design (CRD) with four replications. Lettuce, sweet pepper, and carrot were fertilized using 71 kg, 100 kg, and 128 kg of ammonium sulphate (20.5 % N, 23.4 % S)/ha, 350 kg of NPK (15-15-15)/ha, and Control/No fertilizer application; 81 kg, 100 kg, and 138 kg of 6-24-12 NPK/ha, 225 kg of NPK (15-15-15)/ha, and Control; and on 43 kg, 71 kg, and 100 kg of 10-10-30 NPK/ha, 225 kg of NPK (15-15-15)/ha, and Control; respectively. Laboratory studies were conducted to ascertain the nutritive value of lettuce, sweet pepper, and carrot cultivated for the fresh market; as influenced either by a single-based fertilizer or a compound fertilizer. All data were analyzed using the Analysis of Variance (ANOVA) technique with the GENSTAT statistical program.

Findings: Compound fertilizer resulted in high Fe content in lettuce while Single 2 treatment was in favour of that in carrot and sweet pepper. Single 3 treatment resulted in high Ca content in lettuce and sweet pepper while Single 2 treatment was in favour of that in carrot. Compound fertilizer resulted in high Mg content in lettuce while Single 3 treatment was in favour of that in carrot and sweet pepper. The crude protein content of lettuce, carrot, and sweet pepper was significantly high in the single-based fertilizer treatments. Compound fertilizer treatments recorded high carbohydrate content for lettuce and sweet pepper. All treatments recorded high moisture and high-fat content.

Conclusion: The study concluded that changes in the mineral content of the different categories of vegetables studied in relation to their response to either single-based fertilizers or compound fertilizers did not show a similar pattern. Limitations: No limitations.

Originality/Value: Proximate composition patterns were strikingly dissimilar in all test crops.

 

Author (s) Details

 

Moomin Ab
Department of Horticulture, Faculty of Agriculture, University for Development Studies, P.O. Box TL 1882, Nyanpkpala, Northern Region, Ghana.

 

Mildred Osei-Kwarteng
Department of Horticulture, Faculty of Agriculture, University for Development Studies, P.O. Box TL 1882, Nyanpkpala, Northern Region, Ghana.

 

Richard Atinpoore Atuna
Department of Food Science and Technology, Faculty of Agriculture, University for Development Studies, P.O. Box TL 1882, Nyanpkpala, Northern Region, Ghana.

 

Please see the book here:- https://doi.org/10.9734/bpi/crpas/v5/2634

Effects of Two Compound Fertilizer Types on the Growth and Yield Performance of Three Cassava Varieties (Manihot esculenta Crantz) in Humid Tropics Niger Delta, Nigeria | Chapter 2 | Emerging Issues in Agricultural Sciences Vol. 7

 The study aims were; (a) assess the extreme yielding assortment amongst the three cassava assortments (TMS 95/0289, TMS 96/0523 and TME 419). (b). evaluate the impact of the compound fertilizers (N-P-K- 20:10-10and N-P-K 15—15-15) on the development performance of the three cassava types in terms of tumor and yield. (c) determine the effect of interplay between the N.P.K. fertilizers and the three cassava verities. Cassava (Manihot esculenta Crantz) is a enduring crop of the family Euphorbiaceae tame in Nigeria. It is a root crop namely propagated vegetatively from stem cutting for commercial purposes, but can more be propagated by source. Cassava is however, not customarily planted singular under the traditional cutting system so concerning maximize the farmer’s revenue generation and again to produce diverse crops on the restricted available land field. Thus, an experiment on the growth and yield reactions of cassava (Manihot esculenta Crantz) using two compound manure types was conducted at the Teaching and Research Farm, Rivers State University Port Harcourt betwixt March 2021 and February 2022. Three cassava varieties (TME 419, TMS 95/0289, and TMS 96/0523), two types of compound manure (NPK 20-10-10 and NPK 15-15-15), and a control with no manure request were combined in the situations. The treatments were start as a split plot with the cassava differences going in the main plot and the manure types going in the subplots, in a Randomized Complete Block Design (RCBD) replicated three opportunities. Parameters evaluated were plant climax and leaf number at four weekly break starting at ten weeks following in position or time planting, too tuber number and vegetable weight. Results show that cassava difference TME 419 interacting accompanying NPK 15-1515 produced the best plant height (288.3cm) while TMS96/0523 outside fertilizer use produced rude plant height(199cm) at harvest.  Significantly more leaves, tubers, and plant crest were created using NPK 15-15-15. Comparing the fertilized plots to the unfertilized plot (control), the fertilized plots caused considerably more new tubers and heavier tubers. Since the sort and compound fertilizer produce the maximum tuber number and vegetable weight, TMS 95/0289 and NPK 15-15-15 endure be suggested to ration farmers in consideration of boost cassava output.

Author(s) Details:

T. S. Lawson,
University Farm, University of Port Harcourt, P.M.B. 5323, Rivers State, Nigeria.

L. D. Gbaraneh,
Department of Crop and Soil Science, Rivers State University, P.M.B. 5080, Port Harcourt, Nigeria.

I. B. Foby,
Department of Crop and Soil Science, Rivers State University, P.M.B. 5080, Port Harcourt, Nigeria.

Please see the link here: https://stm.bookpi.org/EIAS-V7/article/view/11847