نتایج جستجو برای: 1 in 1996 when plants received enough water
تعداد نتایج: 17637346 فیلتر نتایج به سال:
soilless culture of greenhouse vegetables has been a fast developing section in iran during recent years. most growers fertigate plants without enough knowledge about plant water requirements. since some soilless substrates have low water retention capacity, wasting a great amount of nutrient solution can be occurred due to poor management. in this research work, effects of hydro gel amendment ...
eutrophication is known as the most common problem in water bodies, caused by high concentrations of different nutrients leading to unbalanced growth of aquatic plants, among other symptoms. hence, the possibility of eutrophication prediction can be beneficial to the sustainable management of these natural resources and create an opportunity to control their trophic conditions over time. a soft...
on either DEAE cellulose or Sephacryl S-200. About 80% of the reductase was one form in the chloroplast and the rest was a second form in the cytosol as determined by chromatography and by fractionation of subcellular organelles. The amount of activity detectable in the chloroplast fraction was 10.7 micromoles of dihydroxyacetone phosphate reductase per hour per milligram chlorophyll from spina...
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