72 pages matching effect in this book
Results 1-3 of 72
What people are saying - Write a review
We haven't found any reviews in the usual places.
Carbon Dioxide Investigations 66
The Blooming and Fruiting Period of the Tomato
3 other sections not shown
Ailsa Craig ammonia amount appeared applied Aucuba average baked soil base Bone Flour carbon dioxide Carnation Cent chamber Cheshunt Chrysanthemum commercial nurseries concentration corms cresylic acid crop cubic feet cucumber houses developed effect emulsified emulsion experiments fertilisers foliage formaldehyde fruit fumigation fungus glasshouse Grade grass green growers growth healthy hibernating humidity inches increase infection injury inoculated Investigations July June killed leaf mould lime manurial treatment Manx Marvel maturation period mildew mixture naphthalene nitrate nitrogen obtained parasite phosphates phosphoric acid plots potash pots Red Spider Red Spider Mite ro ro roots scorch season seedlings Sept shewed showed solution Spider Mite spores spraying stable manure Station steamed stem straw sulphate of potash symptoms Table temperature tissue tomato houses tomato plants tons per acre top dressing Total truss unmanured vapour Variety Wilt Woodlice yield