Acta Scientific Agriculture (ASAG)(ISSN: 2581-365X)

Research Article Volume 5 Issue 9

Standardized Methods were Established to Measure Symbiotic Nitrogen Fixation in the Various Land-Use System of Planting Legumes Under Field Conditions Calculations of Symbiotic Nitrogen Fixation Accumulation When One Land-Use Type is Converted to Another Crop Rotation

Makkies David Lengwati*

Department of Agriculture, Rural Development, Land Administration and Environmental Affairs (DARDLEA), South Africa

*Corresponding Author: Makkies David Lengwati, Department of Agriculture, Rural Development, Land Administration and Environmental Affairs (DARDLEA), South Africa.

Received: September 29, 2020; Published: August 02, 2021

Abstract

  Nitrogen fixation potential and residual effects of selected grain legumes in a South African soil with the back-up of nitrogen economy of pulse crop production in the Nelspruit/Mbombela Lowveld area was studied.

  Rhizobium - legume symbiosis and nitrogen fixation under severe conditions and in an arid climate and using kraal manure as a fertilizer in growing vegetables in the home garden were also observations for nitrogen supply to plant growth. Measuring plant-associated nitrogen fixation in agricultural systems has a potential precision of the δ15N natural abundance method in field estimates of nitrogen fixation by crop and pasture legumes in South Africa thus provided influence of mycorrhizal associations on foliar δ15N values of legume and non-legume shrubs and trees in the fynbos of South Africa, Western Cape province with implications for estimating N2 fixation using the 15N natural abundance method.

  A cropping system assessment framework - evaluating effects of introducing legumes into crop rotations with N2 - fixation in field settings: estimations based on natural 15N abundance was categorized as priority. Root exudates as mediators of mineral acquisition in low-nutrient environments and the effect of temperature on nodulation and nitrogen fixation by five grain legumes were tested under field conditions without Rhizobium strains applied.

  Variation in N2 fixation and N contribution by five grain legumes varieties grown in the same agro - ecologies, measured using 15N natural abundance results were obtainable. This study based it’s importance on African legumes a vital but under - utilized resources.

  Those Grain legumes increases soil - N fertility in cereal systems through nitrate sparing and N2 fixation in contrast to inorganic fertilizer application. Atmospheric nitrogen is a reliable standard for natural 15N abundance measurements. Methodologies for estimating nitrogen transfer between legumes and companion species in agro - ecosystems was a review of 15N - enriched techniques which was put into practice.

Keywords: Fertilizer; N2; δ15N

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Citation

i class="istyle">Citation: Makkies David Lengwati. “Standardized Methods were Established to Measure Symbiotic Nitrogen Fixation in the Various Land-Use System of Planting Legumes Under Field Conditions Calculations of Symbiotic Nitrogen Fixation Accumulation When One Land-Use Type is Converted to Another Crop Rotation". Acta Scientific Agriculture 5.9 (2021): 42-52.

Copyright

Copyright: © 2020 Makkies David Lengwati. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.




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