water-retention value
1Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… …
2Variable retention — is a relatively new silvicultural system that follows nature s model by always retaining a significant part of the forest after harvesting. Variable retention harvests serve to promote desired natural regeneration while preserving unique features …
3Reclaimed water — Reclaimed water, sometimes called recycled water, is former wastewater (sewage) that has been treated to remove solids and certain impurities, and then allowed to recharge the aquifer rather than being discharged to surface water. This recharging …
4endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …
5building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
6Biochar — is a charcoal produced from biomass that can store carbon. It is of increasing interest because of concerns about global warming caused by emissions of CO2 and other greenhouse gases. In some cases, the term is used specifically to mean biomass… …
7Pedotransfer function — (PTF) is a term used in soil science literature, which can be defined as predictive functions of certain soil properties from other more available, easily, routinely, or cheaply measured properties. This concept arises in soil science as… …
8Hydroxypropyl methyl cellulose — (E464) (also HPMC) is an emulsifier, thickening and suspending agent, and an alternative to animal gelatin. [ [http://www.ams.usda.gov/nop/NationalList/TAPReviews/HPMethylcellulose.pdf NOSB TAP Review Compiled by OMRI: Hydroxypropyl… …
9Hydroponics — (from the Greek words hydro (water) and ponos (labour) is a method of growing plants using mineral nutrient solutions, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium,… …
10Shave brush — The term shave brush or shaving brush refers to a small brush with a handle parallel to the bristles used to apply shaving soap or shaving cream to the face when shaving. They are often decorative; the handle is sometimes made from fine materials …
