21 Questions 74 Answers 0 Followers
Questions related from Abdel Razzaq M Al Tawaha
I searching for a partner to join us ongoing project about QMRAcatch.The person should have experience on working QMRAcatch. Please send me the CV. The Interuniversity Cooperation Centre Water...
01 April 2024 9,215 4 View
The question is in another way. What is the relationship between SPAD chlorophyll value and Chlorophyll a, b and total Chl? For example, if the lettuce plant has high SAPD content value that...
11 June 2020 3,272 1 View
I have experimented with two Factor: Factor A: Two iron sources and Factor B: two seasons with three blocks. When I run the SAS, the interaction not significant, but the combination of the...
19 May 2020 2,751 6 View
I have water temperature data for moring and evening, I need to show the maximum and minimum value by the SAS program. Can anyone inform me of the SAS code for this
29 March 2020 4,317 3 View
I need Guidelines to write a systematic review in agriculture topic.
25 March 2020 8,197 8 View
I analyzed the plant tissue minerals such as N,P,K by atomic absorption (AAS). I take 0.25g of dry sample and digested. Then filtered and complete the solution to 100ml. The final reading for N,...
24 February 2020 3,339 8 View
I need protocol for Chlorophyll a and b, Vitamin A and vitamin C for lettuce plant??
30 June 2019 1,903 2 View
I looking for find explain for the concentraion in second table. what I mean for example: the amount used from Ca(NO3)2.4H2O equal 1003 g/1000L. and the concentration for Ca in the second table...
10 June 2019 3,614 4 View
I want to diluted water sample. The sample volume(10 ml), the reading give me out of range( the range 30 mg/l). amount of Nitrate I have more than 30 mg/L. How i can dilute the water sample to get...
05 May 2019 9,376 12 View
I known that composition of Nutrient solution for Hogland was composed the following composition of Hogland...
05 May 2019 718 8 View
If I have 10 kg of fish and produced 7.5 g ammonia per day from waste. And according to the data each in literature each 0.57g of ammonia need 1 square meter of biofilter material such as...
24 December 2018 521 4 View
what is the difference between monitoring and maintenance of water quality such as pH,EC, Salinity and alkalinity in aquaculture and aquaponics.
08 December 2018 9,723 34 View
I need to know the evaporation percentage in open filed, hydroponics and aquaponics condition in Malaysia or international range
27 March 2018 3,450 3 View
How to collect lettuce root exudate in hydroponic culture and aquaponics?
25 March 2018 5,519 4 View
I need to know the protocol for measurements Specific Surface Area laboratory for sugarcane bagasse
20 February 2018 746 2 View
I want to apply humic acid to leafy crops under hydroponics?? what the way for apply humic acid?
07 February 2018 4,374 6 View
I need to the procedure/way for calculation pH, particle size, density, bulk density, Water Holding Capacity (kg/kg) specific surface area (m2/m3) and Void fraction (%) for these agriculture by...
13 December 2017 1,556 7 View
How much the efficiency of used Agriculture by products act as biofilter such as rice husk and maize stubbles?
25 July 2017 4,325 6 View
I wish to guide about the ways for nitration the bacteria in aquaponics and we can activity the bacterial to establish the colony in short time.
08 May 2017 4,182 3 View
I need the procedures for mineral analysis in plant and the chemical needed and also the equipment.
23 April 2017 8,761 2 View
information about aquaponics in Malaysia, Thailand and other east Asia countries.
10 April 2017 7,089 3 View