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Questions related from Bijay Singh
Both India and China started using fertilizers almost simultaneously, and now both countries consume almost 45% of the total global consumption. Fertilizer nitrogen application level per unit area...
12 June 2021 1,698 5 View
Since the introduction of synthetic fertilizers in a big way during the Green Revolution era in the 1960s, the Government of India has changed fertilizer related policies from time to time. I am...
12 June 2021 6,987 4 View
Among the loss mechanisms through which applied fertilizer N is lost from the soil-plant system - nitrate leaching, ammonia volatilization and escape as nitrous oxide gas, which is the most...
22 March 2021 8,546 13 View
Under conservation agriculture, soils are tilled minimally, crop residues are returned to the soil and crop rotations include legumes and cover crops. These elements lead to nutrient flows, which...
25 November 2019 1,981 9 View
These days there is lot of discussion on zero budget natural farming as a means for doubling the income of farmers in India. With little or no scientific evidence available to show that crop...
14 August 2019 6,038 100 View
While Integrated Nutrient Management (INM or IPNM) involves combined application of organic and inorganic sources of plant nutrients, how it differs from Integrated Soil Fertility Management as...
21 September 2018 6,769 2 View
Integrated nutrient management based on combined use of organic amendments and chemical fertilizers is very common in South Asia. A large number of researchers have proven its usefulness in terms...
16 September 2018 8,714 2 View
Site-specific and need based fertilizer nitrogen management is now catching up in developing countries, particularly those using large amount of nitrogen fertilizers. Leaf colour chart , SPAD...
11 May 2018 3,188 6 View
Soil health improves if we are able to synchronize supply of nutrient from soil and fertilizer/manure to crop plants. Is it a must for maintenance of soil health? If yes, are blanket nutrient...
18 January 2018 9,285 19 View
Soil is fundamental to crop production and constitutes the natural resource that provides mankind the most of its food and nutrients. Our very existence is because of the soil. We need to be...
31 August 2017 4,034 62 View
The alkaline KMnO4 method as used in India is not at all a reliable index of available nitrogen in the soil. In recent years, fertilizer N management in rice, wheat and maize based on measurement...
20 February 2017 1,067 25 View
It is increasingly being said that continuous use of mineral fertilizers to supply nutrients to crops leads to soil health deterioration. Do we have scientific evidence based on research...
11 February 2017 4,069 40 View
In the quest of achieving self-sufficiency in food grain production, most of the governments in developing countries, particularly in South Asia, are making available nitrogen fertilizers like...
01 January 1970 2,153 13 View
High fertilizer nitrogen use efficiency means more of applied N is being utilized by the crops to produce high yield levels. Therefore less N is left for getting lost from the soil-plant system...
01 January 1970 728 33 View
To feed the burgeoning populations all over the world, we are striving to produce ever-bigger harvests with every passing year. In this process, increasing amounts of nutrients are being exported...
01 January 1970 324 9 View
Due to the availability of heavily subsidized urea (or neem oil coated urea) in India, in some regions, farmers have developed a tendency to apply overdoses of N to crops like rice and wheat. And...
01 January 1970 5,247 7 View
Let us discuss the role of fertilizer related policies of Government of India in changing the socioeconomic status of rural communities in the country.
01 January 1970 5,623 2 View
A large number of research papers and reviews have been published during last two decades on site-specific and need based fertilizer nitrogen management in irrigated rice. However, it becomes a...
01 January 1970 1,325 6 View
