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planter

(Encyclopedia) planter, farm or garden implement that places propagating material such as seeds or seedlings into the ground, usually in rows. Broadcasting, i.e., scattering seed in all directions,…

fertilizer

(Encyclopedia) fertilizer, organic or inorganic material containing one or more of the nutrients—mainly nitrogen, phosphorus, and potassium, and other essential elements required for plant growth.…

Black Belt

(Encyclopedia) Black Belt, term applied to several areas of Mississippi and Alabama, the heart of the Old South, which are characterized by black soil and excellent cotton-growing conditions. The…

harrow, in agriculture

(Encyclopedia) harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize…

weed

(Encyclopedia) weed, common term for any wild plant, particularly an undesired plant, growing in cultivated ground, where it competes with crop plants for soil nutrients and water. In their natural…

marl, type of soil

(Encyclopedia) marl or bog lime, soil, essentially clay mixed with carbonate of lime, highly valued as a dressing or fertilizer. It crumbles rapidly and easily. Marl in which the lime is in the form…

nitrogen cycle

(Encyclopedia) CE5 Nitrogen cycle nitrogen cycle, the continuous flow of nitrogen through the biosphere by the processes of nitrogen fixation, ammonification (decay), nitrification, and…

catch crop

(Encyclopedia) catch crop, any quick-growing crop sown between seasons of regular planting to make use of temporary idleness of the soil or to compensate for the failure of a main crop. It may be…