the ratio of agricultural inputs to agricultural outputs, incl. labor and land, capital and materials, most often measured in yield (weight) and market value (profit). 

material of animal or plant origin containing one or more fertilizer nutrients, usually not all immediately available to plants (e.g. in the form of dried blood, guano, industrial wastes).

actions of individuals or systems to avoid, withstand or take advantage of current and projected climate variability, changes and impacts. 

the branch of agriculture dealing with crop production. 

an underground layer of rock which holds fresh water and allows water to percolate through it. 

farming based on annual plowing or cultivation of the land and sowing of an annual crop.

the application of nutrients in proportions best suited to the needs of the crop taking account of the soil’s nutrient supply capacity.

the variation of life forms within a given ecosystem.

a solid, liquid or gas fuel consisting of or derived from recently dead biological material, most commonly plants, theoretically produced from any (biological) carbon source.

the biological mass, quantity of living matter, or dry weight of a particular species, within a habitat or geographical area. Biomass energy is stored in organic matter such as plants or animals and their waste products.