Latest News on Crop Management Research: Feb – 2020

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Latest News on Crop Management Research: Feb – 2020

February 1, 2020 Agricultural Extension ECONOMICS 0

Remote Sensing for Crop Management

Scientists with the Agricultural Research Service (ARS) and various government agencies and personal institutions have provided an excellent deal of fundamental information relating spectral reflectance and thermal emittance properties of soils and crops to their agronomic and biophysical characteristics. this data has facilitated the event and use of varied remote sensing methods for non-destructive monitoring of plant growth and development and for the detection of the many environmental stresses which limit plant productivity. including rapid advances in computing and positionlocating technologies, remote sensing from ground-, air-, and space-based platforms is now capable of providing detailed spatial and temporal information on plant response to their local environment that’s needed for site specific agricultural management approaches. This manuscript, which emphasizes contributions by ARS researchers, reviews the biophysical basis of remote sensing; examines approaches that are developed, refined, and tested for management of water, nutrients, and pests in agricultural crops; and assesses the role of remote sensing in yield prediction. It concludes with a discussion of challenges facing remote sensing within the future. [1]

Opportunities and limitations for image-based remote sensing in precision crop management

This review addresses the potential of image-based remote sensing to supply spatially and temporally distributed information for precision crop management (PCM). PCM is an agricultural management system designed to focus on crop and soil inputs consistent with within, field requirements to optimize profitability and protect the environment. Progress in. PCM has been hampered by a scarcity of timely, distributed information on crop and soil conditions. supported a review of the knowledge requirements of PCM, eight areas were identified during which image-based remote sensing technology could provide information that’s currently lacking or inadequate. Recommendations were made for applications with potential for near-term implementation with available remote sensing technology and instrumentation. We found that both aircraft- and satellite-based re-trote sensing could provide valuable information for PCM applications. [2]

Crop Management for Soil Carbon Sequestration

Reducing emissions of greenhouse gases (GHG) from agriculture is said to increasing and protecting soil organic matter (SOM) concentration. Agricultural soils are often a big sink for atmospheric carbon (C) through increase of the SOM concentration. The natural ecosystems like forests or prairies, where C gains are in equilibrium with losses, lose an outsized fraction of the antecedent C pool upon conversion to agricultural ecosystems. Adoption of recommended management practices (RMPs) can enhance the soil organic carbon (SOC) pool to fill the massive C sink capacity on the world’s agricultural soils. this text collates, reviews, and synthesizes the available information on SOC sequestration by RMPs, with specific references to crop rotations and tillage practices, cover crops, ley farming and agroforestry, use of manure and biosolids, N fertilization, and precision farming and irrigation. there’s a robust interaction among RMPs with regards to their effect on SOC concentration and soil quality. [3]

Integrated crop management practices for maximizing grain yield of double-season rice crop

Information on maximum grain yield and its attributes are limited for double-season rice crop grown under the subtropical environment. This study was conducted to look at key characteristics related to high yielding double-season rice crop through a comparison between an integrated crop management (ICM) and farmers’ practice (FP). Field experiments were conducted within the early and late seasons within the subtropical environment of Wuxue County, Hubei Province, China in 2013 and 2014. on the average , grain yield in ICM was 13.5% above that in FP. A maximum grain yield of 9.40 and 10.53 t ha−1 was achieved under ICM within the early- and late-season rice, respectively. Yield improvement of double-season rice with ICM was achieved with the combined effects of increased plant density and optimized nutrient management. [4]

Adoption of Improved Crop Management Practices for Enhancing Productivity of Pigeonpea on Farmers’ Fields in Kalaburagi District of India

The present study was administered at Agricultural Research Station and Krishi Vigyan Kendra, Gulbarga district of India, to understand the yield gap between improved package and farmers’ practice under battlefront Demonstration. Pigeonpea [Cajanus cajan (L.) Millsp.]. Being one among the main Kharif pulse crop of Karnataka, it’s having lower yield in farmer’s field thanks to multiple constraints. the main constraints of its lower productivity are non-adoption of improved technologies or Improved Crop Management practices. battlefront demonstrations on Improved Crop Management practices were conducted at 99 framer’s fields in five adopted villages of Gulbarga district during Kharif seasons of 2010-11 to 2014-15. [5]

Reference

[1] Pinter Jr, P.J., Hatfield, J.L., Schepers, J.S., Barnes, E.M., Moran, M.S., Daughtry, C.S. and Upchurch, D.R., 2003. Remote sensing for crop management. Photogrammetric Engineering & Remote Sensing, 69(6), (Web Link)

[2] Moran, M.S., Inoue, Y. and Barnes, E.M., 1997. Opportunities and limitations for image-based remote sensing in precision crop management. Remote sensing of Environment, 61(3), (Web Link)

[3] Jarecki, M.K. and Lal, R., 2003. Crop management for soil carbon sequestration. Critical Reviews in Plant Sciences, 22(6), (Web Link)

[4] Integrated crop management practices for maximizing grain yield of double-season rice crop
Depeng Wang, Jianliang Huang, Lixiao Nie, Fei Wang, Xiaoxia Ling, Kehui Cui, Yong Li & Shaobing Peng
Scientific Reports volume 7, (Web Link)

[5] Patil, D. H., Rathod, P. S., Ahmed, Z. and Nayak, A. (2018) “Adoption of Improved Crop Management Practices for Enhancing Productivity of Pigeonpea on Farmers’ Fields in Kalaburagi District of India”, Asian Journal of Agricultural Extension, Economics & Sociology, 22(4), (Web Link)

 

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