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首页> 外文期刊>Experimental agriculture >Effects of biochar and poultry manure on soil properties, growth, quality, and yield of cocoyam (Xanthosoma sagittifoliumSchott) in degraded tropical sandy soil
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Effects of biochar and poultry manure on soil properties, growth, quality, and yield of cocoyam (Xanthosoma sagittifoliumSchott) in degraded tropical sandy soil

机译：生物炭和家禽肥对Cocoyam（黄原瘤梭芯）降解热带砂土土壤性质，生长，质量和产量的影响

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Use of biochar (B) and poultry manure (PM) as soil amendments can improve the productivity and sustainability of tropical agriculture. Our fieldwork is the first research on the agronomic use of B and PM for the growth of cocoyam in sandy soil of the humid tropics. In this study, the effects of B, PM and their mixture were investigated on soil properties, mineral and nutrient concentrations, growth, and corm and cormel yields of cocoyam during the 2017 and 2018 cropping seasons. The experiment consisted of 4 x 2 factorial combinations of B (0, 10, 20, and 30 Mg ha(-1)) and PM (0 and 7.5 Mg ha(-1)). In both years, the application of B and PM either alone or in combination improved soil physical and chemical properties, plant nutritional status, growth, and corm and cormel yields of cocoyam. The combination of 30 Mg ha(-1)B and 7.5 Mg ha(-1)PM (B-30 + PM7.5) gave the highest corm and cormel yields of cocoyam. Pooled over the 2 years, application of B at 30 Mg ha(-1)and PM at 7.5 Mg ha(-1)(B-30 + PM7.5) significantly increased corm yield of cocoyam by 47 and 66%, respectively, when compared with sole PM at 7.5 Mg ha(-1)and B at 30 Mg ha(-1). Lowest corm and cormel yields were obtained for the unmanure control. The combination of 30 Mg ha(-1)B and 7.5 Mg ha(-1)PM is recommended for soil fertility management and cocoyam production in the rainforest agroecology of SW Nigeria.
机译：使用生物炭（B）和家禽粪便（PM）作为土壤修正案可以提高热带农业的生产力和可持续性。我们的实地工作是对B和PM为潮湿热带砂土中鳄鱼的生长的第一次研究。在这项研究中，在2017年和2018年播种季节，研究了B，PM及其混合物对土壤性质，矿物质和营养浓度，生长和肠内菌和COCEL和CORMEL和CORMEL产量的影响。该实验由B（0,12,20和30mg HA（-1））和PM（0和7.5mg HA（-1））的4×2件组合组成。在这两年中，B和PM的应用单独或组合改善土壤物理和化学性质，植物营养状况，生长和COCOOM的CORMEL产量。 30mg ha（-1）b和7.5mg ha（-1）pm（b-30 + pm7.5）的组合给出了椰子蛋白的最高肉豆蔻和纤维产率。在2年内合并，B在7.5mg HA（-1）（-1）（B-30 + PM7.5）下的30mg HA（-1）和PM分别在47％和66％的情况下显着提高Cocoyam的肠产量，与7.5mg HA（-1）和B的唯一PM相比，30mg HA（-1）。为非法控制获得最低的CIMR和CORMEL产率。建议在SW尼日利亚的雨林农业生态学中进行30mg HA（-1）B和7.5mg HA（-1）PM的组合。

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