How to convert soil nitrate from mg/kg to Kg/ha? and how to calculate the % number of soil samples nitrate increased and or decreased?

Hello to everybody, I have three different cropping sites soil samples of three different years, I want to compare the leaching of nitrate with the first, year. my first question is how to convert...

10 November 2019 6,701 5 View

Hello friends. how to calculate the percent porosity from soil profile picture after analysis buy Image J software?

i have camera pictures of different soil profile with field dimension of 65*65 square cm, but in image J software i'm selecting a portion visible pores area (RIO) instead whole image for...

07 August 2018 4,450 5 View

How the amount of 300 mm rainfall can be calculated for leaching experiment under laboratory conditions?

The dimensions of PVC columns: 40 cm length and 15 cm diameter? please share you'r skill with me would b highly appreciable

05 June 2018 8,418 0 View

How to extract bromide from soil samples for the analysis by using Chromatography?

i applied the KBr solution in the field before sowing. of maize, and sampled the soil after harvesting of maize for analysis of KBr up to depth of 200 cm.

31 December 2017 401 1 View

Hi every body: how to calculate nitrate nitrogen and ammonium concentration?

i want to calculate nitrate nitrogen and ammonium concentration from from leachate(extracted ground water by lysimeter) which farmula i should use to calculate above two specie? thanks

07 August 2017 7,471 3 View

Hi ever body,.

i am working on Nitrate nitrogen and phosphorus dynamic in the soil and designed the field experiment of winter wheat and summer maize crops rotation for five years, i need to know the...

10 November 2016 9,625 1 View

How UAV or drone can be beneficial to better estimate crop yield?

As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...

01 March 2021 3,468 3 View

Analysis of CRD two factor using R studio ?

Hello everyone. I have conducted the research on post harvest longevity of tomato crop using plastic packaging and different doses of chemicals as two different factors. The design of experiment I...

28 February 2021 8,189 3 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

Where i will get the Desmodium and Napier grass seeds?

26 February 2021 975 4 View

How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 1 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

What are the LAB methodologies (procedures, equipment etc) for CO2 enrichment experiments to study crop responses?

I am doing a proposal for a research entitled 'GRAIN YIELD AND QUALITY RESPONSES OF WHEAT GENOTYPES UNDER CO2 ENRICHMENT AND EXTREME EVENTS' I will be using climate chamber and I would like to...

18 February 2021 6,494 4 View

Is it possible to use maize mature seed to do transformation for maize transgenic study?

Almost all research reports which i ever seen work on Early mature embryo for Agrobacterium mediated maize transformation. In other grass families like rice, we can use mature seed and what do...

17 February 2021 1,434 13 View

How can a reference point be fixed to an attachment point in Abaqus?

I am currently trying to copy an assembly feature, that is present in an old version of the model I am using, onto a new model. The feature is a reference point that is fixed to an attachment...

16 February 2021 8,872 2 View