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Mineral nutrient uptake of maize and banana in an intercrop with agroforestry tree species in Vihiga County, Kenya

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dc.contributor.author Simiyu Dennis Wamalwa* , Sikuku Anyango Phoebe and Musyimi Mutisya David
dc.date.accessioned 2021-07-23T08:58:31Z
dc.date.available 2021-07-23T08:58:31Z
dc.date.issued 2021
dc.identifier.uri https://repository.maseno.ac.ke/handle/123456789/4191
dc.description.abstract Western Kenya faces high population pressure and this has increased demand for food. Smallholder farmers in the region have been forced to practice poor farming practices such as continuous cultivation and clearing of forests to put more land to crop production. This has resulted in severe land degradation, climate change and reduced farm productivity. Agroforestry trees have been reported to improve soil fertility through nitrogen fixation coupled with leaves and twig decomposition. However, this has not been ascertained in maize-banana agroforestry systems in Vihiga County. Understanding the effects of intercropping of maize and banana with Sesbania sesban, Calliandra calothyrsus and Leucaena diversifolia agroforestry trees on nutrient uptake may be a remedy to the challenges. Therefore there is need to fully understand the effects of intercropping selected agroforestry trees with maize and banana on nutrient uptake of maize and banana. The objective of the study was to determine the effect of intercropping agroforestry tree species on maize and banana tissue N, P, K, Mg, Ca uptake and partitioning. The study was conducted at Maseno university farm located in Vihiga County. The Williams varieties of banana of the same age were obtained from KALRO-Thika., Seeds of selected agroforestry trees were purchased from KEFRI – Muguga, planted in a seedbed and the seedlings raised in nurseries. Hybrid maize seed, H513 was p urchased from an agrovet. Banana holes were d ug 2x2 feet, 20 Kg of decomposed cow dung manure + 20 Kg of top soil + 200g of NPK fertilizer added in each banana hole and banana planted. Randomized complete block design (RCBD) with 3 replications were used with seven treatment levels of i.e. maize, banana, maize + banana + Callian dra, maize + banana + leucaena, maize + banana + sesbania, maize + banana, and fertilized maize. Maize were planted at 0.75 m inter row by 0.3 m spacing. Five maize plants per treatment and per replication were sampled randomly from the eight middle rows at harvest and partitioned in to leaves, shoots, roots, cobs and maize grains. Two banana plants were sampled and its leaves taken for mineral tissue analysis. The maize roots were washed in water to remove soil. The samples wer e oven dried to a constant weight at 72 0C. The samples were then ground into powder for determination of nutrient analysis. Procedures by Motsara and Roy (2008) was used to determine the nitrogen, phosphorus, potassium, calcium and magnesium mineral nutrient in various plant tissues. Data was subjected to Analysis of Variance using Genstat statistical package Version 15.2. Maize and bananas that were intercropped with trees recorded highest nutrient uptake and partitioning. Sesbania sesban recorded higher nutrient upt ake as compared treatments without tree intercrops. These findings can be used to advice smallholder farmers of Vihiga County on the best intercropping system to adopt for maximum maize and banana production en_US
dc.publisher IAR Journal of Agriculture Research and Life Sciences en_US
dc.subject Sesbania sesban, Calliandra callothyrsus, Leucaena diversifolia, intercropping, nutrient uptake, agroforestry en_US
dc.title Mineral nutrient uptake of maize and banana in an intercrop with agroforestry tree species in Vihiga County, Kenya en_US
dc.type Article en_US


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