"Science in the garden. Science and practice. Soils. The twelve-year bed. Plant nutrition and fertilizers. Chemical analysis of soil. Muches and cultivation. Vitamin B. Pioneering with light. Evolution of new plants. Miracle workers: colchicine and acenaphthene. Chemical acceleration of seed germination. Modern seed-sowing practice. The miniature greenhouse. Seedlings. Parthenocarpy. Rooting cutting. Pruning. Control of pests. What and how to spray. Plants without soil. Chemical control of weeds. Experiments for amateurs."
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