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首页> 外文期刊>The Madras Agricultural Journal >Effect of Different Cropping Sequences on Soil Nutrients Status, Nutrients Uptake and Crop Yield in PAP Command Area of Tamil Nadu
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Effect of Different Cropping Sequences on Soil Nutrients Status, Nutrients Uptake and Crop Yield in PAP Command Area of Tamil Nadu

机译：不同种植序列对土壤养分状况，南南纳德南瓜指挥区营养吸收与作物产量的影响

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摘要

To evaluate the effect of different cropping sequences on soil nutrients status, nutrients uptake and crop yield in PAP command area an experiment was carried out at Coconut Research Station, Aliyar Nagar, Pollachi during 2017-18. In Kharif season, the rice crop was grown followed by seven sequential crops during rabi season. Thus, there were seven different cropping sequences viz., Rice - Sunflower (T,), Rice - Sesame (T2), Rice - Blackgram (T3), Rice - Castor (T4), Rice - Maize (T5), Rice - Onion (T6) and Rice - Groundnut (T7) cropping sequences. Results of the post - harvest soils of the different cropping sequences revealed that significantly highest soil organic carbon SOC content was observed in Rice - Groundnut (T7) cropping sequence, howeverthis was on par with Rice - Maize (T5) and Rice - Castor (T4) cropping sequences. A significant higher value of available P was registered in Rice - Blackgram (T3) cropping sequence that was on par with Rice - Groundnut (T7) cropping sequence. AvailableK was significantly higher in Rice - Groundnut (T7) cropping sequence which was on par with Rice - Onion (T6) cropping sequence. The Rice - Maize (T5) cropping sequence recorded the highest total N uptake and Rice - Sunflower (T,) cropping sequence registered higher total P uptake and the total K uptake was higher in Rice - Maize (Ts) and Rice - Sunflower (T,) cropping sequences. Grain yield and straw yield were significantly higher under Rice - Maize (T5) and Rice - Groundnut (T7) cropping sequences.Though the Rice - Castor (T4) cropping sequence recorded highest B:C ratio of 2.08, considering the quantity of water consumption, economic yield, soil nutrients and B:C ratio, the best cropping sequence registered in Parambikulam Aliyar command area wasRice - Castor (T4) cropping sequence followed by Rice - Groundnut (T7) and Rice - Maize (T5) cropping sequences.
机译：为了评估不同种植序列对土壤养分状态的影响，PAP命令区域中的营养吸收和作物产量进行了一项实验，在2017 - 18年的Pollachi进行了椰子研究站。在Kharif季节，稻田种植在Rabi季节的七个连续作物之后。因此，有七种不同的种植序列，米饭 - 向日葵（T，），米 - 芝麻（T2），米 - 黑色图（T3），米蓖麻（T4），米 - 玉米（T5），米饭 - 洋葱（T6）和稻米 - 地生（T7）种植序列。不同种植序列后收获土壤的结果显示，在水稻 - 地生（T7）种植序列中观察到显着最高的土壤有机碳SOC含量，然而，玉米（T5）和水稻 - 蓖麻（T4种植序列。可用P值高于稻米 - 黑色图（T3）裁剪序列中的较高价值，该序列与水稻 - 地生（T7）裁剪序列相提并论。水稻 - 地生（T7）作物序列均明显高于稻米（T6）作物序列。稻米（T5）裁剪序列记录了最高的N总摄取和稻米 - 向日葵（T，）种植序列注册更高的总P吸收和水稻 - 玉米（TS）和稻米的总K摄取量高（T ，）种植序列。水稻玉米（T5）和水稻 - 地生（T7）种植序列的谷物产量和秸秆产率显着高。虽然米蓖麻（T4）裁剪序列记录最高B：C比率2.08，考虑到耗水量，经济产量，土壤养分和B：C比率，在帕拉米甘露甘露马拉姆指挥区注册的最佳种植序列是蓖麻（T4）作物序列，然后进行水稻 - 磨料（T7）和稻米 - 玉米（T5）种植序列。

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