CHAPTER IV.
Natural Manure.-- Accumulated Plant-food in the Soil.-- Exhaustion of the Soil.-- Why our Crops are so Poor.-- How to get Larger Crops.-- We must Drain, Cultivate thoroughly, and Make Richer Manure. 23
Natural Manure.-- Accumulated Plant-food in the Soil.-- Exhaustion of the Soil.-- Why our Crops are so Poor.-- How to get Larger Crops.-- We must Drain, Cultivate thoroughly, and Make Richer Manure. 23