Browsing Production technology report by Subject
Now showing items 21-29 of 29
Subject |
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soils--phosphorus content [1] |
soils--sampling--technique [2] |
soils--testing [2] |
soybean--varieties--testing [1] |
sunflowers--varieties--testing [3] |
Waste disposal [1] |
waste products as fertilizer [1] |
wheat [3] |
winter wheat--weed control [1] |