Leaf analysis as a guide to the nutrition of fruit crops. III.—preparation and storaǵe of leaf samples prior to analysis
✍ Scribed by E. G. Bradfield; C. Bould
- Publisher
- John Wiley and Sons
- Year
- 1963
- Tongue
- English
- Weight
- 363 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0022-5142
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A method is described for the rapid determination of copper, iron, manganese and zinc on separate aliquots of a single plant digest solution. The coefficients of variation for these elements should not exceed 5% for strawberry, blackcurrant, apple and plum leaves. More variable results may be obtain
## Abstract A study was made, by means of a factorial sand culture experiment, of the main effects and interactions of varying initial levels of N and P and of supplementary levels of N and P applied in July, on shoot growth, blossom number, fruit set, berry weight and crop yield of black currants