14 Questions 32 Answers 0 Followers
Questions related from Rohan Oak
Hello, respected members, My query is relevant to experts aware with Indian academia and publication system I noticed that some journals mention on their website that they are UGC (University...
04 April 2020 4,418 4 View
Hello, Greetings to experts and friends, Total Kjeldahl Nitrogen is standard test used to determine soil nitrogen. Once we have the values of the test in %, how do we convert it to kg per ha?...
25 March 2020 5,173 6 View
My research work is on application of biochar on soil fertility and soybean yield. I performed RBD, 3 replication, 8 treatment experiment and studied soil properties, plant nutrients and soybean...
04 February 2020 9,781 21 View
An extension station is located on sloping terrain of a minor hill. There is flat land at Hill top, slope of 50 feet level difference and steep gradient of 60 degree and at the foots, there is...
25 June 2019 6,215 3 View
I am performing some tests with pressure plate apparatus on clayey to loamy soils. I need to compare results. However not able to find a reference paper with reported values of moisture content at...
11 March 2019 8,933 6 View
With Soybean target yield of 18 quintal per acre, I am applying (all dose per acre) 40 kg P2O5 (soil Olsen P is 20 ppm), 45 kg murate of potash (soil K 180 ppm), 10 kg sulphur (gandhak)...
23 January 2018 3,577 5 View
I am conducting pot trials with Soybean. After 10 - 12 days the cotyledons and first set of unifoliate leaves are eaten by some organism. For Mouse, I have kept all post in 1/2inch x 1/2 inch...
08 January 2018 8,516 10 View
Dear experts, I am searching for this procedure for chemical analysis of wood charcoal/ ash. "Mineral N (ammonium & nitrate) Rayment and Higginson 1992" From literature source I learn this...
01 November 2017 9,061 1 View
Hello, I am conducting agronomic experiment, growing Soybean on a trial plot of 100 ft x 50 ft. It's a lateritic soil with slightly acidic pH around 6.5 Plants are 65 days however sufficient...
12 September 2017 8,991 63 View
Hello, I used following method for Soybean leaf tissue nutrient content analysis (Soybean leaf - 3rd full leaf from top, sampled at 50 days), 1) 0.5 g leaf tissue- oven dried, crushed thr 2 mm2)...
04 September 2017 4,669 6 View
For digestion of plant tissue for analysis with ICP, Huang and Schulte, 1985 is a highly cited procedure. Briefly: 0.5 g plant tissue + 1ml 500 ppm Mo soln (internal standard) + 5ml HNO3 heated to...
23 November 2016 929 10 View
I need to know the total elemental concentration of C, H, O, N, S, Si in a biomass sample. Is EDAX a more advanced and accurate technique than CHNX elemental analyzer?
25 October 2016 2,999 3 View
Hello, I am studying nutrient uptake by soybean in soils of Maharashtra- India on a project by a NGO in Mumbai. I have set up laboratory and procedures for analysis of soils. Now I need to set up...
13 September 2016 7,210 10 View
Soil nutrient availability is influenced by pH. An organic amendment does a function of nutrient addition at the same time it changes soil pH. More importantly, it also modifies soil CEC and...
04 August 2016 7,413 15 View
