Effect of soil fertility and maturity stages at harvest on maize yield under rain-fed conditions

Adelabu, Dolapo Bola; Modi, Albert T.

doi:10.1080/03650340.2017.1372572

Cited by 2 publications

(1 citation statement)

References 17 publications

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“…Soil with low fertility status would provide less support, which might result to poor growth and development, hence would impact on the seed-bearing ability ((Akinnuoye-Adelabu & Modi, 2018;Yousaf et al, 2017). Weed species have the ability to thrive with crops for nutrients, light, and space (Zimdahl, 2018;Lundkvist and Verwijst, 2011) and would eventually convert this modest ability to robust seed production for the next generation and this could be a contributing factor towards the quantity of weed seed added into the soil seed bank at the end of every cropping season.…”

Section: Introductionmentioning

confidence: 99%

Relationship Between Soil Weed Seed Bank and Soil Properties in Arable Farmlands in University of Port Harcourt and Environs in Rivers State-Nigeria

Ogazie¹,

Ochekwu²,

Agbagwa³

et al. 2023

JASD

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This paper considered relationship between soil weed seed bank seedlings and soil physicochemical parameters in arable farmlands was sampled in rainy and dry seasons at 3 different depths of 0-5, 5-10 and 10-15cm. Arable farmlands were 22 and 3 controls. Soils were collected at four points randomly with a soil auger, prepared for laboratory analyses and 100g each placed into 225 small bowls replicated 3 times, which were perforated and having tissue papers at base for soils to prevent soil and weed seeds wash off at watering. Emerged weed seedlings were counted, identified weekly for 12 weeks. Soils were allowed to dry and turned over at 4 and 8 weeks, respectively. Unidentified weeds seedlings were transferred into bigger bowls with humus soils, labeled to grow further and then identified. The parameters considered included soil weed seed bank seedlings and soil physicochemical properties. Weed seedlings data and result from physicochemical analysis were subjected to correlation analysis. Result at 5cm depth for rainy season revealed abundance of weed species significant (p<0.05) correlated with parameters K and Cu with a correlation coefficient (p-value) of 0.507 (0.016) and 0.611(0.003), respectively. But at 10cm depth it was only correlated with pH with a correlation coefficient (p-value of 0.501 (0.018). However, at 15cm weed species abundance was significant (p<0.05) correlated with parameters pH, P, Mg, K and Cu with correlation coefficient (p-value) of 0.488 (0.021), 0.459 (0.032) 0.458 (0.032), 0.445(0.038) and 0.525 (0.012), respectively. The correlation result in dry season revealed that at various depths weed species abundance was not significant (p<0.05). Conclusively, soil, water and cultural practices adopted by farmers might have impacted on the macro and micro nutrients availability with pH as master catalyst, while the non mobility of nutrients in dry season also affected non correlation. It can be determined from this study that the relationship between soil seed weed bank and soil properties in arable fields shows differences at the three depths.

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