残氮、石灰和接种缓生根瘤菌对花生产量、氮素吸收和固氮的影响

IF 1.7 4区农林科学 Q2 AGRONOMY

Acta Agriculturae Scandinavica Section B-Soil and Plant Science Pub Date : 1998-06-01 DOI:10.1080/09064719809362485

G. Reddy, A. Mapiki, Bal R Singh

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引用次数: 7

摘要

众所周知，花生(arachhis hypogaea L.)在共生固氮方面是有效的，但这一过程的强度仍不确定，特别是当这种作物在不同氮管理制度的酸性条件下生长时。本试验旨在研究预施氮肥和预施石灰量对花生产量、15N浓度、总氮吸收和氮固定的影响。以前的施氮量分别为0、80、160和240 kg NO3 - 1作为NH4NO3施用于主地块，或标记施氮量为0、40、80和120 kg NO3 - 1作为nh4i5no3施用于小地块。石灰以前以0和2 Mg ha - 1的速率施用于前一种玉米(Zea mays L.)作物。并对接种量的影响进行了探讨。用含有缓生根瘤菌sp.(接种菌株tal1000) 105个细胞的缓生根瘤菌泥炭接种剂处理花生种子。非调节等值线PI 109839/NC AC17090 (NFN‐43)和调节等值线Chalimbana进行了测试。

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Effect of residual fertilizer N, lime and Bradyrhizobium inoculum on groundnut yield, N uptake and N2 Fixation

Groundnut (Arachis hypogaea L.) is known to be effective in symbiotic N2 fixation, but uncertainty remains concerning the magnitude of this process, especially when this crop is grown under acid conditions with different N management systems. This study was conducted to determine the effect of previously applied fertilizer N and previously applied lime rates on groundnut yield, 15N concentration, total N uptake and N2 fixation. Previously applied N rates were 0, 80, 160 and 240 kg N ha‐1 as NH4NO3 to main plots or labelled‐N rates of 0, 40, 80 and 120 kg NO3‐N ha‐1 to microplots as NH4 I5NO3. The lime was previously applied at the rates of 0 and 2 Mg ha‐1 to the preceding maize (Zea mays L.) crop. The effect of inoculum was also investigated. Nodulating isoline, groundnut cv Chalimbana seed was treated with Bradyrhizobium peat inoculum containing Bradyrhizobium sp. (inoculant strain TAL 1000) 105 cells per seed. Non‐nodulating isoline PI 109839/NC AC17090 (NFN‐43) and nodulating isoline Chalimbana were gr...

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来源期刊

Acta Agriculturae Scandinavica Section B-Soil and Plant Science 农林科学-农艺学

CiteScore

4.40

自引率

0.00%

发文量

审稿时长

2.3 months

期刊介绍： Acta Agriculturæ Scandinavica Section B publishes original research in applied soil and plant science with special attention given to to crop production in agri- and horticultural systems. We welcome manuscripts dealing with: Climate smart and sustainable crop production systems Water and nutrient efficiency Soil conservation and productivity Precise agriculture systems Applications of bio- and nanotechnology Digitalisation and robotics Soil-plant interactions Acta Agriculturæ Scandinavica, Section B – Soil & Plant Science forms part of a series of titles published on behalf of the Nordic Association of Agricultural Science (NJF). The series also includes Section A - Animal Science .