seedlings of cucumbers with large germinal leaves in plastic pots with a soil mixture of humus, a black soil and peat

absorption activation air annual autotrophic bouch chlorophyll coat cucumber cucumis cultivation curly day dicotyledonous diseases embryo erysiphoides feeding first fruit greenhouse ground haemorrhoidalis heat heatloving heliothrips humus hybrids hypocotyl july leaves mildew mite mittliider mixture moisture moistureloving nutrients oidium open pimpled powdery processing pumpkin sativus seed seedlings seeds soaking soil spider swelling temperature tetranychidae tetranychus thrips tiram tropical urticae varieties water