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首页> 外文期刊>The Madras Agricultural Journal >Refinement of Soil Test Crop Response - Integrated Plant Nutrition System based Fertilizer Prescriptions for Pearl Millet Variety Grown Under Inceptisol
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Refinement of Soil Test Crop Response - Integrated Plant Nutrition System based Fertilizer Prescriptions for Pearl Millet Variety Grown Under Inceptisol

机译：土壤试验作物响应 - 综合植物营养系统基于植物营养系统的珍珠粟菌品种肥料处方

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摘要

A field experiment was conducted during rabi season of 2017-2018 on a mixed black calcareous soil (Typic Ustropept - Periyanackenpalayam soil series) at Eastern Block, Tamil Nadu Agricultural University, Coimbatore to refine the existing fertilizer prescription equations under Integrated Plant Nutrition System (IPNS) for hybrids to suit pearl millet variety. The experiment comprised of eleven treatments with three replications in Randomized Block Design. The experimental results revealed that there was a progressive increase in response from lower target to higher targets and the magnitude of response was higher under STCR-IPNS than under STCR-NPK alone treatments. Using the experimental data, the basic parameters viz., nutrient requirement (NR), per cent contribution of nutrients from soil (Cs), fertilizers (Cf) and FYM (Cfym) towards total N,P and K uptake by pearl millet (var. CO 10) were computed based on targeted yield model. It was found that pearl millet variety requires 2.81, 1.33 and 2.53kg of N, P205 and K20, respectively to produce one quintal of grain. The contribution of nutrients from soil, fertilizers and FYM for N was 26.36,45.44 and 27.55 percent; for P205 it was 38.51,44.14 and 16.04 per cent and for K20 it was 10.33,87.45 and 40.15 per cent respectively. Making use of the refined basic parameters, Fertilizer Prescription Equations (FPEs) were developed under NPK alone and IPNS for pearl millet variety. Ready reckoner of fertilizer doses (nomograms) were formulated for a range of soil test values and for desired yield target viz., 3.0, 3.5 and 4.01 ha'. For an average soil test value of 180:24:460 kg ha1 and yield target of 4.01 ha1,105, 51 and 25 kg of fertilizer N, P2Os and K20 is to be appiled along with FYM @ 12.51 ha1. The extent of saving of inorganic fertilizers for pearl millet with the application of FYM @ 12.51 ha1 (with 21 % moisture, 0.64, 0.27 and 0.46 % N, P and K respectively) was 38, 22 and 25 kg of fertilizer N, P205 and K20 respectively.
机译：在泰米尔纳纳都农业大学东区混合黑钙土壤（典型Ustrophept - Periyyanackenpalayam PalaM系列）的Rabi季节在2017-2018赛季的田间实验进行了综合植物营养系统下的现有肥料处方方程（IPNS ）对于杂种以适应珍珠小米品种。该实验由11种随机块设计中的三种复制组成。实验结果表明，从较低的目标到更高目标的响应响应的逐渐增加，并且在STCR-IPN下的反应幅度比STCR-NPK单独处理更高。使用实验数据，基本参数viz，营养需求（NR），从土壤（Cs），肥料（CF）和FYM（CFYM）的营养素的贡献朝向总N，P和K的珍珠米（VAR 。CO 10）基于目标产量模型计算。发现珍珠米物种各种需要2.81,1.33和2.53kg的n，p205和k20，分别产生一个粒子的古代。来自土壤，肥料和N的营养素的贡献为N为26.36,45.44和27.55％;对于p205，为38.51,44.14和16.04％，K20分别为10.33,87.45和40.15％。利用精制的基本参数，肥料处方方程（FPE）在NPK下开发，单独开发，珍珠小米品种IPN。将肥料剂量（ROMAROMS）的READY RECKONER配制成一系列土壤试验值和所需的产量目标viz。，3.0,3.5和4.01 ha'。对于平均土壤试验值为180：24：460kg Ha1和4.01 ha1,105,51和25kg肥料N，P2OS和K20的屈服靶将与Fym @ 12.51 Ha1一起进行。用FYM @ 12.51 HA1施用珍珠小米的无机肥料的程度（分别为21％，0.64,0.27和0.46％N，P和K）为38,22和25kg肥料N，P205和K20分别。

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  • 来源
    《The Madras Agricultural Journal》 |2018年第6期|共5页
  • 作者

    K.B. Ravikiran; R. Santhi; S. Meena; P. Sumathi;

  • 作者单位

    Department of Soil Science and Agricultural Chemistry Tamil Nadu Agricultural University Coimbatore - 641 003 India.;

    Department of Soil Science and Agricultural Chemistry Tamil Nadu Agricultural University Coimbatore - 641 003 India.;

    Department of Soil Science and Agricultural Chemistry Tamil Nadu Agricultural University Coimbatore - 641 003 India.;

    Department ofMillets Centre for Plant Breeding and Genetics Tamil Nadu Agricultural University Coimbatore - 641 003 India.;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 农业科学;
  • 关键词

    STCR-IPNS; Pearl millet; Fertilizer prescription equations;

    机译：STCR-IPNS;珍珠小米;肥料处方方程;

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