Cassava response to the integrated use of manure and NPK fertilizer in Zambia

Biratu, Gizachew Kebede; Elias, Eyasu; Ntawuruhunga, Phénéas; Sileshi, Gudeta W.

doi:10.1016/j.heliyon.2018.e00759

Cited by 44 publications

(54 citation statements)

References 31 publications

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“…A leaf in the shade of another receives about 1/10 th of the light of one in full sun (Zhu et al ., ). Leaf area indices of cassava crops in Sub‐Saharan Africa may average little more than 2 (Biratu et al ., ), so does shading matter? Zhu et al .…”

Section: Introductionmentioning

confidence: 99%

Photosynthesis across African cassava germplasm is limited by Rubisco and mesophyll conductance at steady state, but by stomatal conductance in fluctuating light

et al. 2019

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Summary Sub‐Saharan Africa is projected to see a 55% increase in food demand by 2035, where cassava (Manihot esculenta) is the most widely planted crop and a major calorie source. Yet, cassava yield in this region has not increased significantly for 13 yr. Improvement of genetic yield potential, the basis of the first Green Revolution, could be realized by improving photosynthetic efficiency. First, the factors limiting photosynthesis and their genetic variability within extant germplasm must be understood. Biochemical and diffusive limitations to leaf photosynthetic CO2 uptake under steady state and fluctuating light in 13 farm‐preferred and high‐yielding African cultivars were analyzed. A cassava leaf metabolic model was developed to quantify the value of overcoming limitations to leaf photosynthesis. At steady state, in vivo Rubisco activity and mesophyll conductance accounted for 84% of the limitation. Under nonsteady‐state conditions of shade to sun transition, stomatal conductance was the major limitation, resulting in an estimated 13% and 5% losses in CO2 uptake and water use efficiency, across a diurnal period. Triose phosphate utilization, although sufficient to support observed rates, would limit improvement in leaf photosynthesis to 33%, unless improved itself. The variation of carbon assimilation among cultivars was three times greater under nonsteady state compared to steady state, pinpointing important overlooked breeding targets for improved photosynthetic efficiency in cassava.

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Section: Introductionmentioning

confidence: 99%

Photosynthesis across African cassava germplasm is limited by Rubisco and mesophyll conductance at steady state, but by stomatal conductance in fluctuating light

et al. 2019

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“…Amujoyegbe et al (2007) reported that poultry dropping increased root growth of maize and the crop extracted soil water more efficiently for increased grain yield. Poultry manure was identified to be the most concentrated in nutrient content among all the organic sources (Biratu et al, 2018). Ogbonna et al (2012) noted that poultry dropping plays significant roles in enhancing the yield of crops in the southern part of Nigeria.…”

Section: Effect Of Poultry Manure In Baby Corn Productionmentioning

confidence: 99%

Nutrient Management in Organic Baby Corn Production: A Review

Naveen

Saikia

2020

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The concept of organic agriculture is receiving increased attention and organic food markets are also expanding quite fast in many parts of the world including India. Development of production technology particularly appropriate nutrient management strategy for organic baby corn is necessary for realizing higher yield and economic returns as well as soil health aspect. Most of the organic manures are low in nutrient contents, which are not sufficient to meet the nutritional requirement of the crops with smaller quantities, especially when inorganic fertilizers are not applied. Under such circumstances, enrichment of organic manures and composts with permitted additives like rock phosphate and beneficial microbial cultures is a feasible option for nutrient supplementation in organic food production. Microbial enrichment technique with bio-inoculants to composting material had been shown to improve the quality of compost. The enrichment of the organic manures with beneficial microbial cultures will further contribute to the enhancement of N and P contents through nitrogen fixation and phosphate solubilization. Hence, the enriched organic manures and their combination provide an ideal nutrition strategy for the crop. There is the possibility of increasing the nitrogen content of compost by inoculation with nitrogen-fixing organisms and the phosphorus content by the inoculation with phosphate solubilizing bacteria. Improved manures will play a major role in organic farming since the method of production is simple and easy.

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“…Cassava could be cultivated under such infertile soils giving an acceptable production like the soil low availability of nutrients (Imakumbili et al 2019;Njankouo Ndam et al 2019). Therefore, under sandy soils the supply of enough and proper nutrients for cultivated cassava is a vital issue to get the optimal cassava growth, which needs the adequate supply of soil nutrients (Munyahali et al 2017;Biratu et al 2018). These results might be correlated with the gene action of the tested cultivars and the morphological characteristic as well as the chemical content of these cultivars (Njankouo Ndam et al 2019).…”

Section: Fig 1 Effects Of Interaction Between the Two Studied Factomentioning

confidence: 99%

Cassava Cultivars Response to Different Levels of Potassium Fertilization under Drip Irrigation and Sandy Soil Conditions

et al. 2020

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T WO FIELD experiments were conducted at Nubaria region (Behira Governorate), Egypt, during the two successive seasons of 2016/2017 and 2017/2018 to study the response of vegetative growth, yield and quality of cassava crop. Three cassava cultivars (i.e., American, Brazilian and Indonesian cultivars) and three levels of potassium fertilizers (i.e., 75, 150 and 250kg K 2 O fed-1) were investigated. The results indicated that, American cassava cultivar with 250 kg K 2 O fed-1 recorded the highest vegetative growth, yield and its quality as well as higher chemical composition plants except for total fiber and N (%) was found by treatment ofBrazilian cassava cultivar with 75 kg K 2 O fed-1. This study also confirmed that the optimum K-nutrition for cassava under sandy soils might support the cultivated cassava plants in their growth, yield and yield quality. This work also could present more details about the suitability of some cassava cultivars to cultivate under sandy soils and drip irrigation and which dose of K-nutrient should be applied. Further investigations are needed to carry out to make a complete program for the fertilization and irrigation of different cassava cultivars under arid conditions in Egypt.

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Cassava response to the integrated use of manure and NPK fertilizer in Zambia

Cited by 44 publications

References 31 publications

Photosynthesis across African cassava germplasm is limited by Rubisco and mesophyll conductance at steady state, but by stomatal conductance in fluctuating light

Photosynthesis across African cassava germplasm is limited by Rubisco and mesophyll conductance at steady state, but by stomatal conductance in fluctuating light

Nutrient Management in Organic Baby Corn Production: A Review

Cassava Cultivars Response to Different Levels of Potassium Fertilization under Drip Irrigation and Sandy Soil Conditions

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