Annual Report - Glasshouse Crops Research and Experiment StationGlasshouse Crops Research and Experiment Station., 1976 - Fruit-culture |
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Annual Report 1977 applied autumn crop average beefsteak tomatoes biological control bromide chinese cabbage chrysanthemums compared concentrations corms cucumbers differences disease duplicated trials Dutch effect eggplants Encarsia formosa endive fertiliser flower freesias fresh weight fruit weight fungicides further trial G.A.J. Janssen gherkins glasshouse glasshouse climate GLASSHOUSE CROPS glassiness grading Groent growers growing period grown growth regulators harvest heated crop increased inoculation investigation iprodione January Klapwijk kohlrabi leaf levels Naaldwijk night temperatures nitrate nitrogen nurseries nutrient solution nutrition obtained pipe temperature plant density plant raising plant weight planting distance quintozene R.H.M. Maaswinkel radish rockwool root seed shelf soil heating soil temperature Sonatine Sonneveld sowing sown spray carnations spring crop standard cultivars standard cvs Steekelenburg stem sweet pepper tested in duplicated thiram thrips tomato plants treatments truss Tuinderij untreated vinclozolin Voogt weeks white spanish radish yields