Amélioration des propriétés physiques et chimiques du sol sous l’apport combiné des biodéchets et des engrais minéraux et influence sur le comportement du maïs (<i>Zea mays</i> L. variété Unilu)

Abstract

Nyembo et al. J. Appl. Biosci. 2014. L'apport combiné des biodéchets et des engrais minéraux des propriétés du sol et sur le comportement du maïs (Zea mays L. variété Unilu) 6121 Amélioration des propriétés physiques et chimiques du sol sous l'apport combiné des biodéchets et des engrais minéraux et influence sur le comportement du maïs (Zea mays L. variété Unilu) Nyembo et al. J. Appl. Biosci. 2014. L'apport combiné des biodéchets et des engrais minéraux des propriétés du sol et sur le comportement du maïs (Zea mays L. variété Unilu) 6122ABSTRACT Combined effects of biowastes and mineral fertilizers on soil properties and maize yield in Lubumbashi, DR Congo Objectives: This study was conducted during 2012-2013 growing season on the Ferralsol Kasapa farm in Lubumbashi region to assess the effects of combined doses of manure and mineral fertilizers on the yield of maize (Zea mays Var UNILU) and some physico-chemical properties of soil. Methodology and results: The trial was installed following a split splot device comprises in total 12 treatments and three repetitions. The treatments included four doses of manure from chickens (0, 1.75, 3.5 and 7 t.ha -1 ) and three doses of mineral fertilizer (0, 300 kg NPK+ 200 kg urea by hectare and 150 kg NPK + 100kg urea by hectare). Physico-chemical analyzes were performed on samples of soil and biowastes. The general trend of the evolution of levels (N and K) was decreased compared to baseline and high doses of mineral fertilizers and organic waste provided high amounts of N and K. Yield were significantly affected by the supply of minerals that of biowastes. The combination of chicken manure helped increase maize yield (6.9 t.ha -1 of maize grain at 7 t.ha -1 biowastes combined to 150kg NPK+100 kg urea), while the lowest yield (2.9 t.ha -1 ) was obtained on the control plots. Conclusion and research application: The study showed that biowastes combined with inorganic fertilizers increased maize yield in the conditions of this test. Biowaste have great potential for improving the availability of nutrients from soil and was able to provide the amount of nutrients needed for maize growing.

Availability of exchangeable potassium due to cocoa pods husk and coffee wastes amended with urea and impact on some other soil physico-chemical properties in a ferralsol of west Cameroon

“…These results corroborate those of Luciens, et al [30] and Kaho, et al [16] who obtained increases in exchangeable potassium contents of soil respectively with poultry manure and Tithonia diversifolia leaves combined or not with mineral fertilizers. These observations highlight the improving power of organic matter on soil chemical properties and confirm that it is a source of nutrients for crops [31].…”

Biofertilizers as Strategies to Improve Photosynthetic Apparatus, Growth, and Drought Stress Tolerance in the Date Palm

“…Furthermore, the exogenous introduction of beneficial organic substances such as compost has been evaluated previously (Nikitas et al, 2008) as a soil conditioner in agriculture or a substitute to chemical fertilizers to improve resilience, yield, and tolerance of plants to the toxicity of these stress-imposed conditions. The use of local composts represents an eco-friendly alternative for plant growth, mineral nutrition, soil organic matter content, and soil properties such as water retention capacity and soil suppressiveness (Shen et al, 2013;Luciens et al, 2014;Mehta et al, 2014;Kwey et al, 2015;Ning et al, 2017). Previous studies have suggested that compost application in soil increased the supply of organic carbon and N for microbial communities and improved soil health and plant yield (Shen et al, 2013;Liu et al, 2018).…”

Effets à court terme de l’application des fientes de volaille sur le rendement du maïs (<i>Zea mays</i> L.) et les caractéristiques chimiques d’un sol ferralitique dans la zone sud-soudanienne du Burkina Faso

“…L'effet synergétique de ces deux fumures entraine l'augmentation de la production de biomasse qui se traduit par des rendements élevés. Selon Nyembo et al (2014), les fumiers de volaille présentent un grand potentiel pour l'amélioration de la disponibilité des éléments nutritifs du sol et la fourniture de nutriments nécessaires à la culture du maïs. En effet, l'apport des fientes de volailles (5 t/ha) additionné aux engrais minéraux (37,5 Kg) augmente fortement la disponibilité des éléments nutritifs et favorise une accumulation d'eau.…”