Agri- -- Agrarianism -- Agriculture -- Arid-zone agriculture -- Precision agriculture -- Agricultural biotechnology (stub) -- Agricultural engineering -- Agricultural science -- Agricultural Science basic topics -- Agritourism -- Collective farming -- Crop rotation -- FertilizerFertilizers are chemicals given to plants with the intention of promoting growth; they are usually applied either via the soil or by foliar spraying. Fertilizers typically provide, in varying proportions, the three major plant nutrients ( nitrogen, phosph -- GrassSee: List of Poaceae genera The true grasses are monocot (class Liliopsida) plants of the family Poaceae (formerly Graminae . There are some 600 genera and perhaps 10,000 species of grasses. It is estimated grasslands comprise 20% of the vegetation cover -- Harrowing -- PermaculturePermaculture is the practice of designing sustainable human habitats by following nature's patterns. Origins In the mid 1970s, two Australian ecologists, Dr. Bill Mollison and David Holmgren, started to develop ideas that they hoped could be used to creat -- SowingSowing is the process of planting seeds. Hand sowing is the process of casting handfuls of seed over prepared ground: broadcasting. Usually, a drag or harrow is employed to incorporate the seed into the soil. Though labor intensive for any but small areas -- TillageTillage (American English), or cultivation (UK) is the agricultural preparation of the soil to receive seeds. Primary tillage loosens the soil and mixes in fertilizer and/or plant material, resulting in soil with a rough texture. Secondary tillage produce -- Vegetable farmingGrowing vegetables has traditionally been done in long rows. This allows machinery to cultivate and increase the efficiency and output. Over the past 100 years a new technique has emerged raised bed gardening, which has increased yields from small plots o -- List of vegetablesHere are a list of edible vegetables in cuisine . Note that some vegetables which are botanically fruits are considered to be vegetables in the culinary sense. This is why they appear in this article. Alfalfa sprouts Anise Artichoke Arugula (US) Rocket (U