Naveen Kalra

21 Questions 139 Answers 0 Followers

Questions related from Naveen Kalra

Why there should not be nobel prize initiated in the field of agriculture?

Agriculture is a complex system, and understanding of the system's behavior is too complex and involves biotic and abiotic interaction. Significant work in the past have been reported, which...

08 August 2016 4,337 7 View

Quantification of nitrogen fixation efficiency and N-fertilization by important leguminous plants and non-leguminous plants?

N-fixation by various leguminous and non-leguminous plants is important and its quantification as function of nature of crop, crop growing condition, soil environment, soil N availability and...

02 February 2016 7,156 5 View

Products / technologies developed are more effective than advisory services for increase of agri-production. Can we debate on this imp topic?

Examples of products/technologies- fertilizer types (customized, fortified, foliar, organic, PGP), newer pesticides, new cultivars, agri-implements, reource conservation technologies. Few Examples...

02 February 2016 6,882 20 View

How can I quantify the yield reduction associated with simultaneous occurrence of several nutrients stresses?

In soil, there may be deficiency of N/P/K/Ca/S/Zn/Fe/Mn etc, everyone looks into one's compartment and gives excellent recommendation, which may not be application over space and time as many...

02 February 2016 6,195 20 View

What is the fate of soil organic carbon with crop residues incorporation in tropical and sub-tropical environments?

Tropical and sub-tropical regions- higher temperatures, rate of OC degradation faster Residue incorporation- provides benefit to the current ongoing crop, may be next crop in rotation??? question...

02 February 2016 9,263 27 View

Simple relationship for deriving available water, field capacity and wilting point in soils from soil texture and organic carbon?

pedo-transfer function for computing soil moisture retention from soil texture are reported in literature, but the coefficient of prediction from independent datasets is very poor. Our interest is...

02 February 2016 8,661 9 View

Efficient methods for meeting the challenges of Boron deficiency in plants?

Boron deficiency is becoming a concern n south asian environments. There is a need to identify suitable inorganic/organic materials, understand the interaction between various nutrients for...

02 February 2016 3,078 4 View

Scope of nano-fertilizers in agriculture

Nano-fertilizers, as published in literature, enhance uptake efficiency of the component nutrient, eg works reported in case of nano-zinc, but from cost-benefit analysis do not look quite...

01 January 2016 6,031 4 View

Several soil quality indices reported in literature, but effective operational soil health service missing. Please suggest the ways.

1. Lot of information on soil test values (spatio-temporal)) available 2. Soil quality indices e.g. SQI by Ratan Lal et al, Cornell soil health index, STCR network ar Indian Institute of Soil...

01 January 2016 8,565 28 View

Is there any empirical relation to deduce mineral N in the soil layer on the basis of Available nitrogen?

Mineral N (nitrate and ammonical form) is highly dynamic, and is generally not measured by most of the researchers, who most of the time take total N or available N in consideration for evaluating...

01 January 2016 1,907 6 View

Any crop model for assessing growth and yield under saline/sodic conditions?

The concern of salinity/sodicity development makes us to identify alternate land use and management options for sustainable agricultural production. We are interested to specifically develop...

01 January 2016 6,960 6 View

Are there works related to integrated assessment modelling for climate change impacts evaluation?

Inter-sectoral interaction plays an imp role in evaluating the impact. Sectors have been evaluated in isolation, there is strong need to integrate them, we are all interested to develop the...

01 January 1970 5,590 5 View

Are there works which include land use and land cover change dynamics in climate change-agricultural impacts studies?

Future scenarios of rapid change in land use and land cover change need to be linked with bio-physical and socio-economic aspects to evaluate the impact of climate change. Crop models are...

01 January 1970 9,005 0 View

I am interested to collate works related to carbon balance in indian forests?

Key words for this question are north-west himalayas, carbon balance, nitrogen balance, carbon sequestration, short- and long-term consequences, effect of climate change and extreme events on the...

01 January 1970 6,658 2 View

Is intensive agriculture promotion posing threat to sustainable agri-production in near future, specially in tropical and sub-tropical environment?

With increased population, the need is to produce more food. The answer is adoption of intensive agriculture. If this happens in soils poor in organic carbon, synptoms of soil nutrients...

01 January 1970 1,294 1 View

Can I have some excel based or simple models/equations of SOIL MANAGERS?

Soil managers for 1.nutrients managemen 2. water managemen 3. tillage management 4. lime calculator 5. residue management calculator 6. OC predictor 7. pedo-transfer functions The interest is to...

01 January 1970 6,998 0 View

Is there any approach to indicate soil biological health on the basis of easily determinable soil parameters?

Several soil quality indices reported in literature, most of them are non-operational on regional applications and confined to basic research platform. Soil biological health is generally...

01 January 1970 1,124 11 View

Can we debate on advanced crop nutrition solutions for transplanted and direct seeded rice?

The major points coming into discussion could be: 1. nutrients use efficiency (agronomic, physiological as well applied) 2. target yield based balanced fertilization 3.scope of foliar nutrition 4....

01 January 1970 5,084 0 View

I am interested in simple model for net primary productivity assessment for tropical/sub-tropical regions, in particular for north-west himalayas?

Net primary productivity, although available through satellite images and are commonly employed, but the validation with few of the case studies lacking. There is a need to evolve simple models...

01 January 1970 5,009 2 View

Are there simple soil quality index calculators used for soil health assessment on operational basis?

Soil health assessment to be used for irrigation/nutrients management, tillage options, identification of suitable resource conservation technologies Soil health assessment in terms of soil...

01 January 1970 5,919 7 View

Please comment/adopt on statement: "EFFECTIVE Worship of ALMIGHTY GOD is contributing positively towards the society/mankind"?

Positive features to be within a researcher- Selfless service Non-materialistic approach Love to society Impartial approach Critically assessing own's work for direct / indirect relevance to the...

01 January 1970 7,356 0 View