Challenges of Soil Fertility Under Changing Climate and Its Opposing Components

Imran, Imran; Amanullah, .; Ortaş, İbrahim; Mahmood, Tariq; Arif, Muhammad; Al-Tawaha, Abdel Rahman; Ilyas, Mohammad

doi:10.1002/9781119789789.ch7

Cited by 1 publication

(1 citation statement)

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“…One factor that plays a role in increasing maize production is soil fertility. The development of agricultural technology and climate change over each period causes lower soil fertility, which has an impact on decreasing crop production [4,5,6]. Besides that, low soil fertility is caused by low soil organic content, inappropriate fertilizer management, and monocropping [7].…”

Section: Introductionmentioning

confidence: 99%

Recommendations of N, P, and K site-spesific for maize cropping in the Jeneponto District of South Sulawesi

Herawati,

Irmadamayanti,

Efendi

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The incompatibility of N, P, and K rates for maize plants causes a decrease in plant productivity and farmer income. Therefore, there is a need for appropriate N, P, and K fertilizer recommendations based on agroecosystems that farmers can apply. This research aims to obtain location-specific N, P, and K fertilization recommendations for maize based on the agroecosystem in Jeneponto Regency, South Sulawesi. This research was conducted in Jeneponto District, South Sulawesi, from March to October 2021. The research used a survey method adapted to the questions in the Nutrient Expert (NE) program form. The research showed that the optimum fertilizer recommendation for maize in Jeneponto District was 170 – 190 kg N ha−1, 30 – 60 kg P2O5 ha−1, and 33 – 63 kg K2O ha−1, with a 9 – 10 t/ha yield. Using these recommendations, they will gain a higher profit and R-C ratio than the farmer’s existing fertilization, namely, a profit of RP. 30,499,400 (Rp. 30,276,000 – 30,697,000) with an R-C ratio of 4.05 (3.96 – 4.13), whereas if using existing fertilization at the farmer level, they will gain a profit of Rp. 19,397,000 (Rp. 14,215,000 – Rp. 25,735,000) with an R-C ratio of 2.20 (1.81 – 2.75).

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Section: Introductionmentioning

confidence: 99%