88 pages matching Cheshunt in this book
Results 1-3 of 88
What people are saying - Write a review
We haven't found any reviews in the usual places.
Careon Dioxide Investigations
The Blooming and Fruiting Period of the Tomato
2 other sections not shown
amount appeared applied April aucuba aucuba mosaic average bacteria baked soil carbonate carnation cent Cheshunt Chrysanthemum colour commercial nurseries Complete artificials compounds cresylic acid cubic feet cucumber developed Ditto dressing effect emulsified emulsion experiments favourable fertilisers foliage formaldehyde fruit fulvum fumigation fungus Fusarium germination glasshouse green manure growers grown growth healthy heated hibernation humidity inches increase infection injury inoculated Investigations killed leaf mould leaves lesions light lime manurial treatment maturation period methyl salicylate mildew moist chamber mosaic disease naphthalene nitrate nitrogen obtained parasite phosphates phosphoric acid plots potash pots Red Spider Mite root samples season severe shewed sodium soil temperature spores sporulation spraying stable manure stages steamed stem sterilised straw sulphate of potash sulphur symptoms Table tested tissue Tolacco tomato crop tomato houses tomato plants tons per acre truss unmanured varieties ventilation weeks Wilt yield