Lamine Diallo , Cao Qing-jun , Yang Zhen-ming , Cui Jin-hu , Teybelassma Ibrahim Mustafa Dafaalla
{"title":"不同剂量矿肥(氮磷钾和尿素)对几内亚法拉纳玉米新品种产量和经济效益的影响","authors":"Lamine Diallo , Cao Qing-jun , Yang Zhen-ming , Cui Jin-hu , Teybelassma Ibrahim Mustafa Dafaalla","doi":"10.1016/S1006-8104(16)30025-3","DOIUrl":null,"url":null,"abstract":"<div><p>In Faranah Province (Guinea), the ratio of supply and demand of corn is approximately 1:2. The production is low and the deficit is covered by maize importation. This study was initiated in order to improve corn production by evaluating the effects of increasing doses of mineral fertilizers on the yield and economic profitability of corn. The experiment was conducted on a farm in Kamedankoude in a split plot with three replicates. Treatments included two varieties of maize (Perta and Kilissi113) and five doses of chemical fertilizers (D0=unfertilized control, D1=300 kg NPKS+200 kg urea • hm<sup>−2</sup>; D2=400 kg NPKS+800 kg urea • hm<sup>−2</sup>; D3= 200 kg NPKS+400 kg urea • hm<sup>−2</sup> and D4=500 kg NPKS+600 kg urea • hm<sup>−2</sup>). The results showed that all the agronomic parameters increased with increasing dose of fertilizers, except for the number of ears per plant. The two varieties of corn tested produced similar yields. However, the profitability of mineral fertilizers decreased with increased doses and with value/cost ratio of 3. We recommended a mineral fertilizer dose of 300 kg NPKS + 200 kg urea. The high prices of mineral fertilizers were often barriers to intensive maize cultivation, especially for low-income farmers. This study was a contribution to rational fertilization and adapted the socio-economic conditions of the region, with the background knowledge that most farmers in the regions earned low incomes.</p></div>","PeriodicalId":58038,"journal":{"name":"Journal of Northeast Agricultural UniversityEnglish Edition","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2016-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1006-8104(16)30025-3","citationCount":"6","resultStr":"{\"title\":\"Effects of Various Doses of Mineral Fertilizers (NPKS and Urea) on Yield and Economic Profitability of New Varieties of Zea mays L. in Faranah, Guinea\",\"authors\":\"Lamine Diallo , Cao Qing-jun , Yang Zhen-ming , Cui Jin-hu , Teybelassma Ibrahim Mustafa Dafaalla\",\"doi\":\"10.1016/S1006-8104(16)30025-3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>In Faranah Province (Guinea), the ratio of supply and demand of corn is approximately 1:2. The production is low and the deficit is covered by maize importation. This study was initiated in order to improve corn production by evaluating the effects of increasing doses of mineral fertilizers on the yield and economic profitability of corn. The experiment was conducted on a farm in Kamedankoude in a split plot with three replicates. Treatments included two varieties of maize (Perta and Kilissi113) and five doses of chemical fertilizers (D0=unfertilized control, D1=300 kg NPKS+200 kg urea • hm<sup>−2</sup>; D2=400 kg NPKS+800 kg urea • hm<sup>−2</sup>; D3= 200 kg NPKS+400 kg urea • hm<sup>−2</sup> and D4=500 kg NPKS+600 kg urea • hm<sup>−2</sup>). The results showed that all the agronomic parameters increased with increasing dose of fertilizers, except for the number of ears per plant. The two varieties of corn tested produced similar yields. However, the profitability of mineral fertilizers decreased with increased doses and with value/cost ratio of 3. We recommended a mineral fertilizer dose of 300 kg NPKS + 200 kg urea. The high prices of mineral fertilizers were often barriers to intensive maize cultivation, especially for low-income farmers. This study was a contribution to rational fertilization and adapted the socio-economic conditions of the region, with the background knowledge that most farmers in the regions earned low incomes.</p></div>\",\"PeriodicalId\":58038,\"journal\":{\"name\":\"Journal of Northeast Agricultural UniversityEnglish Edition\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S1006-8104(16)30025-3\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Northeast Agricultural UniversityEnglish Edition\",\"FirstCategoryId\":\"91\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1006810416300253\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Northeast Agricultural UniversityEnglish Edition","FirstCategoryId":"91","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1006810416300253","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
摘要
在法拉纳省(几内亚),玉米的供需比例约为1:2。产量很低,缺口由进口玉米弥补。本研究旨在通过评价增加矿肥用量对玉米产量和经济效益的影响,提高玉米产量。试验在Kamedankoude的一个农场进行,分为3个重复。处理包括2个玉米品种(Perta和Kilissi113)和5剂化肥(D0=未施肥对照,D1=300 kg NPKS+200 kg尿素•hm−2;D2=400 kg NPKS+800 kg尿素•hm−2;D3= 200kg NPKS+ 400kg尿素•hm−2,D4= 500kg NPKS+ 600kg尿素•hm−2)。结果表明,除单株穗数外,其余农艺参数均随施肥量的增加而增加。测试的两种玉米产量相似。然而,矿物肥料的盈利能力随着用量的增加而下降,价值/成本比为3。我们建议使用300公斤NPKS + 200公斤尿素的矿物肥料剂量。矿物肥料的高价格往往是玉米集约化种植的障碍,对低收入农民来说尤其如此。这项研究有助于合理施肥,适应该地区的社会经济条件,背景知识是该地区大多数农民收入较低。
Effects of Various Doses of Mineral Fertilizers (NPKS and Urea) on Yield and Economic Profitability of New Varieties of Zea mays L. in Faranah, Guinea
In Faranah Province (Guinea), the ratio of supply and demand of corn is approximately 1:2. The production is low and the deficit is covered by maize importation. This study was initiated in order to improve corn production by evaluating the effects of increasing doses of mineral fertilizers on the yield and economic profitability of corn. The experiment was conducted on a farm in Kamedankoude in a split plot with three replicates. Treatments included two varieties of maize (Perta and Kilissi113) and five doses of chemical fertilizers (D0=unfertilized control, D1=300 kg NPKS+200 kg urea • hm−2; D2=400 kg NPKS+800 kg urea • hm−2; D3= 200 kg NPKS+400 kg urea • hm−2 and D4=500 kg NPKS+600 kg urea • hm−2). The results showed that all the agronomic parameters increased with increasing dose of fertilizers, except for the number of ears per plant. The two varieties of corn tested produced similar yields. However, the profitability of mineral fertilizers decreased with increased doses and with value/cost ratio of 3. We recommended a mineral fertilizer dose of 300 kg NPKS + 200 kg urea. The high prices of mineral fertilizers were often barriers to intensive maize cultivation, especially for low-income farmers. This study was a contribution to rational fertilization and adapted the socio-economic conditions of the region, with the background knowledge that most farmers in the regions earned low incomes.