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首页> 外文期刊>Research on Crops >Forage equivalent yield, quality, soil status and economics of maize (Zea mays L.) as influenced by intercropping of cowpea (Vigna. unguiculata L.) and fertility levels during kharif season
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Forage equivalent yield, quality, soil status and economics of maize (Zea mays L.) as influenced by intercropping of cowpea (Vigna. unguiculata L.) and fertility levels during kharif season

机译：受cow豆间作（Vigna。unguiculata L.）和哈里夫特季节的肥力水平影响，玉米（Zea mays L.）的草料当量产量，质量，土壤状况和经济性

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A field experiment was conducted on loamy sand soils of Agronomy Instructional Farm, Chimanbhai Patel College of Agriculture, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar during the years 2011-12 and 2012-13. The soil of theexperimental plot was very low in organic carbon (0.19%) and available nitrogen (169 kg/ ha), medium in available phosphorus (39.65 ka/ha) and potash (271 kg/ha). The experiment was laid out in spit plot design with four replications. Fifteen treatment combinations comprised five intercropping treatments viz., IC, (sole maize), IC_4 (sole cowpea), IC3 (maize+cowpea 2:1), IC_4 (maize+cowpea 3:1) and IC_4 (maize+cowpea 3:1) and three fertility levels viz., F, (75% RDF), F_2 (100% RDF) and F3 (125% RDF). Maize equivalent yield was significantly influenced by intercropping levels. Treatment IC_4 (maize+cowpea 2 : 1) recorded significantly higher maize equivalent yield than rest of the treatments. Application of treatments IC_4 (maize+cowpea 2:1) recorded significantly higher nitrogen content, crude protein content, crude fiber content and phosphorus content in both the crops. Intercropping levels failed to exhibit their significant influence on total ash content, potash content and neutral detergent fiberof both the crops. Regarding soil available nutrients, treatment IC_4 (sole cowpea) registered maximum values of nitrogen content but phosphorus and potash content was not influenced significantly by intercropping after harvest of crops. The maize equivalent yield was significantly influenced by fertility levels. Application of F3 (125% RDF) produced significantly higher maize equivalent yield but it was statistically similar with treatment F_2 (100% RDF). Application of 125% RDF recorded significantlyhigher nitrogen content and crude protein content and crude fiber content in both the crops as well as phosphorus content and total ash content in maize crop and it was at par with 100% RDF. Fertility levels failed to exhibit their significant influenceon phosphorus content and total ash content in cowpea as well as potash content and neutral detergent fiber in both the crops. Regarding soil available nutrients, treatment F3 (125% RDF) registered maximum values of nitrogen but it was at par with F_2 (100% RDF). Application of intercropping IC_4(maize+cowpea 2:1) recorded higher net realization of Rs. 30185/ha and higher BCR value of 2.85. Among different fertility levels, application of 125% RDF resulted in higher net realization (Rs. 28865/ha) but higher BCR (2.68) was recorded with treatment F_2 (100% RDF) with net realization (Rs. 28411/ha) closely followed by F3 (125% RDF). The land equivalent ratio (1.22) was highest with IC_4 (maize+cowpea 2 : 1).
机译：在2011-12年和2012-13年之间，在Sardarkrushinagar Dantiwada农业大学，Chimanbhai Patel农业学院，农学教学农场的壤质沙土上进行了田间试验。实验区的土壤有机碳含量（0.19％）和有效氮含量（169 kg / ha）非常低，有效磷含量（39.65 ka / ha）和钾肥（271 kg / ha）中等。实验是在沙坑设计中进行的，重复了四次。十五种处理组合包括五种间作处理，即IC，（唯一玉米），IC_4（唯一cow豆），IC3（玉米+玉米豆2：1），IC_4（玉米+玉米豆3：1）和IC_4（玉米+玉米豆3： 1）和三个生育水平，即F（75％RDF），F_2（100％RDF）和F3（125％RDF）。间作水平显着影响玉米当量产量。处理IC_4（玉米+ co豆2：1）记录的玉米当量产量显着高于其余处理。施用IC_4（玉米++豆2：1）处理后，两种作物的氮含量，粗蛋白含量，粗纤维含量和磷含量均显着提高。间作水平对两种农作物的总灰分，钾盐含量和中性洗涤剂纤维均无显着影响。关于土壤有效养分，处理IC_4（唯一的cow豆）记录了氮含量的最大值，但磷和钾的含量并未受到作物收成后间作的明显影响。玉米当量产量受生育水平的显着影响。 F3（125％RDF）的施用显着提高了玉米当量产量，但与F_2处理（100％RDF）在统计学上相似。施用125％RDF记录了两种作物中的氮含量，粗蛋白含量和粗纤维含量以及玉米作物中的磷含量和总灰分含量均显着较高，与100％RDF相当。肥力水平并未对their豆中的磷含量和总灰分含量以及两种作物中的钾盐含量和中性洗涤剂纤维表现出显着影响。关于土壤有效养分，处理F3（125％RDF）记录了最大的氮含量，但与F_2（100％RDF）相当。间作IC_4（玉米+ pea豆2：1）的应用记录了较高的Rs净实现。 30185 / ha和更高的BCR值2.85。在不同的生育水平中，应用125％RDF导致较高的净实现（Rs。28865 / ha），但是在处理F_2（100％RDF）时记录了更高的BCR（2.68），紧随其后的是净实现（Rs。28411 / ha）。 F3（125％RDF）。土地当量比（1.22）最高的是IC_4（玉米+豌豆2：1）。

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