Soil organic carbon and crop yield under different soil amendments and cropping systems in the semi-deciduous forest zone of Ghana.

Logah V.; Ewusi-Mensah N.; Tetteh F. K. M.

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Soil organic carbon and crop yield under different soil amendments and cropping systems in the semi-deciduous forest zone of Ghana.

機譯：加納半落葉林區不同土壤改良劑和耕作制度下的土壤有機碳和作物產量。

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A field experiment to evaluate Soil Organic Carbon (SOC) and maize grain yield under different soil amendments and cropping systems was conducted in 2006 and 2007 at the Soil Research Institute, Kwadaso, Kumasi. The experiment was a split plot with three replications. The main plot factor (cropping systems) consisted of continuous maize, maize/soybean intercropping and maize cowpea rotation systems, the sub-plot (amendments) comprised of Poultry Manure (PM) at 4 t ha-1, poultry manure+chemical fertilizer (PM+CF) at 2 t ha-1 (PM)+45-30-30 kg ha-1 (NPK 15-15-15), Chemical Fertilizer (CF) at 90-60-60 kg ha-1 NPK 15-15-15 and a control (no amendment). Soil samples were taken at 21 and 84 days after amendment (DAA). Generally, PM+CF produced the highest range of SOC (1.14-1.37%). The least (0.98-1.28%) was recorded on the control plots. Plots amended with chemical fertilizer alone or in combination with poultry manure out-yielded the control in maize grain yield. Positive correlations between SOC at 84 DAA and maize grain yield were recorded in the major (r=0.70*) and minor (r=0.89**) rainy seasons of 2006 which established crop yield a function of SOC at harvest. Land equivalent ratios of sole maize (maize grown under continuous maize system) and maize intercropped with soybean were <1 which suggested more efficient utilization of land resources with sole maize cropping than intercropping maize with soybean.

機譯：2006年和2007年，在庫馬西Kwadaso的土壤研究所進行了田間試驗，以評估不同土壤改良劑和耕作制度下的土壤有機碳和玉米籽粒產量。實驗是具有三個重復的分裂圖。主要地塊因子（耕作系統）由連續玉米，玉米/大豆間作和玉米cow豆輪作系統組成，子地塊（修正案）由4 t ha -1 的家禽糞便（PM）組成，2 t ha -1 （PM）+ 45-30-30 kg ha -1 的家禽糞便+化肥（NPK 15-15- 15），90-60-60 kg ha -1 NPK 15-15-15的化肥（CF）和對照（未作修正）。改良后（DAA）在第21和84天采集土壤樣品。通常，PM + CF產生的SOC范圍最大（1.14-1.37％）。對照樣地上記錄的最少（0.98-1.28％）。單獨使用化肥或與家禽糞肥一起改良的地塊，對玉米籽粒產量的控制效果不佳。在2006年的主要雨季（r = 0.70 *）和次要雨季（r = 0.89 **）記錄了84 DAA時SOC與玉米籽粒產量之間的正相關關系，這確定了作物產量是收獲時SOC的函數。單一玉米（在連續玉米系統下種植的玉米）和間作玉米的玉米的土地當量比<1，這表明與單獨作玉米相比，單獨種植玉米更有效地利用土地資源。

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《Journal of plant sciences》 |2011年第4期|共9頁
作者
Logah V.; Ewusi-Mensah N.; Tetteh F. K. M.;
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正文語種 eng
中圖分類植物學;
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amendments; carbon; cereal grains; cowpeas; crop yield; cropping systems; fertilizers; field experimentation; field tests; forests; intercropping; intercrops; maize; manures; nitrogen; NPK fertilizers; phosphorus; potassium; poultry.poultry manure; soil; soil amendments; soil fertility; soil organic matter; soyabeans; utilization; yields; birds; Glycine (Fabaceae); Glycine max; Vigna unguiculata; Zea mays; Vigna; Papilionoideae; Fabaceae; Fabales; dicotyledons; angiosperms; Spermatophyta; plants; eukaryotes; ACP Countries; Anglophone Africa; Africa; Commonwealth of Nations; Developing Countries; West Africa; Africa South of Sahara; Zea.Poaceae; Cyperales; monocotyledons; vertebrates; Chordata; animals; Glycine (Fabaceae).;

機譯：改良劑;碳;谷物;co豆;作物產量;作物系統;肥料;田間試驗;田間試驗;森林;間作;間作;玉米;肥料;氮;NPK肥料;磷;鉀;家禽。家禽糞便;土壤;土壤改良劑;土壤肥力;土壤有機質;大豆;利用;產量;鳥類;甘氨酸（Fabaceae）;最大的大豆;Vigna unguiculata;Zea mays;Vigna;Papilionoideae;Fabaceae;Fabales;對生植物;雙子葉植物;Angiosperms;精子植物;植物;真核生物國家;非洲英語國家;非洲;國家聯合體;發展中國家;西非;非洲撒哈拉以南;Zea。禾本科;莎草;單子葉植物;脊椎動物;梭魚;動物;甘氨酸。;

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1. Soil organic carbon and crop yield under different soil amendments and cropping systems in the semi-deciduous forest zone of Ghana. [J] . Logah V., Ewusi-Mensah N., Tetteh F. K. M. Journal of plant sciences . 2011,第4期

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Soil organic carbon and crop yield under different soil amendments and cropping systems in the semi-deciduous forest zone of Ghana.

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