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Dwivedi, A. K.
- Evaluating Fertilizer Applications on Spectral Behaviour of Rice Crop Using Remote Sensing Technique
Abstract Views :212 |
PDF Views:0
Authors
Shashi Bhushan Kumar
1,
Madhukar Kumar
2,
Ashok Kumar
3,
Brajendra
4,
B. K. Jha
4,
A. K. Dwivedi
3,
Rakesh Ranjan
3,
Maya Kumari
3,
Himanshu Singh
3,
Pradeep Prasad
3
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Birsa Agricultural University, Ranchi (Jharkhand), IN
2 Department of Soil Science and Agricultural Chemistry, Birsa Agricultural University, Ranchi (Jharkhand), IN
3 Department of Soil Science and Agricultural Chemistry, Birsa Agricultural University, Ranchi (Jharkhand), IN
4 ICAR Indian Institute of Rice Research, Hyderabad (Telangana), IN
1 Department of Soil Science and Agricultural Chemistry, Birsa Agricultural University, Ranchi (Jharkhand), IN
2 Department of Soil Science and Agricultural Chemistry, Birsa Agricultural University, Ranchi (Jharkhand), IN
3 Department of Soil Science and Agricultural Chemistry, Birsa Agricultural University, Ranchi (Jharkhand), IN
4 ICAR Indian Institute of Rice Research, Hyderabad (Telangana), IN
Source
An Asian Journal of Soil Science, Vol 11, No 1 (2016), Pagination: 126-131Abstract
Present experiments were conducted at the research farm of Indian Agricultural Research Institute, New Delhi during Kharif 1999 and Kharif 2001 to study the influence of nitrogenous fertilizer on the tilth of rice crop by remote sensing technique. Spectral radiance observations of the crop canopy were collected with the Portable Spectroradiometer which scanned from 330 nm to 1100 nm of electromagnetic spectrum range at 5nm interval (band-width). Normalized difference vegetation index was calculated for the both tillage practices, puddle and unpuddled situation at different growth stages for different fertilizer treatment. Fertilized plots were observed to have a higher value of BR than controlled ones throughout the crop growth period, both in puddled and unpuddled treatments. The higher values of band ratio were observed in puddled rice compared to the unpuddled rice irrespective of growth stages and fertilizer application levels. Statistical correlations were developed between NDVI (Normalized difference vegetation index) and RVI (Ratio vegetation index) with LAI (Leaf area index), DM (Dry matter) production and total leaf chlorophyll content. Second order polynomial equations were developed to correlate remotely sensed data with crop biometrics. Polynomial second order equations of 'band ratio' were found to be better fitted than NDVI with crop biometrics.Keywords
NDVI, Puddle, Unpuddled, Rice, Fertilizer.
References
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- Effect of Biozyme ® on Soil and Crop Biometrics in Rice-Wheat System
Abstract Views :199 |
PDF Views:0
Authors
Shashi Bhushan Kumar
1,
Madhukar Kumar
1,
Ashok Kumar
1,
A. K. Sinha
1,
B. Kumar
1,
N. C. Gupta
1,
Arvind Kumar
1,
D. K. Shahi
1,
B. Kagarwal
1,
Rakesh Kumar
1,
A. K. Dwivedi
1,
Y. K. Singh
1,
Nehatoppo
1,
Aniruddha Sarkar
1
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Birsa Agricultural University, Ranchi (Jharkhand), IN
1 Department of Soil Science and Agricultural Chemistry, Birsa Agricultural University, Ranchi (Jharkhand), IN
Source
An Asian Journal of Soil Science, Vol 11, No 1 (2016), Pagination: 191-196Abstract
A registered product biozyme is extracted from a Norwegian Sea weed known as Ascophyllum nodosum. It is biodegradable and non-toxic for the plant and soil health as claimed by Biostadt company. Beside biozyme, several other zymes are also available in the market with some prefixes in the name. They claim, the zyme is toxin free, eco-friendly, bio degradable product containing growth hormones, elements, minerals and vitamins. Highly compatible with fertilizers and pesticides, it also increases the resistance of plants against various pests, diseases and climatic stress. These zymes are available in solid and liquid form and are being used as either top dressing or spraying on the crop canopy at important crop growth stages. As per some earlier studies, biozyme have claimed to have beneficial in crop growth both in vegetative part as well as in grain production. Keeping in view of its importance a field trial was formulated and being conducted in research farm of Bihar Agricultural University Bhagalpur (Bihar) to see the impact of Biozyme on the yield and soil microbes.Keywords
Biozyme, Soil, Crop Biometrics,Yield, Economics.References
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