Sentences with phrase «organic arable lands»

In contrast to these huge organic animal production properties, smallholdings characterize organic arable lands (with few exceptions).

Not exact matches

In most cases, organic agriculture conserves better than conventional agriculture the site - typical plant community of floral species of arable land.

Less than half of the global 18 million hectares of certified organic land is dedicated to arable agriculture.

We identified as most promising measures: the promotion of organic inputs on arable land instead of grassland, the introduction of perennials (grasses, trees) on arable set - aside land for conservation or biofuel purposes, to promote organic farming, to raise the water table in farmed peatland, and — with restrictions — zero tillage or conservation tillage.

Critics of organic agriculture argue that society can not justify being less efficient with arable land in the face of a rapidly growing human population.

To take just one fairly representative example, in the classic Rothampstead experiments in England where arable land was allowed to revert to deciduous temperate woodland, soil organic carbon increased 300 - 400 % from around 20 t / ha to 60 - 80 t / ha (or about 20 - 40 tons per acre) in less than a century (Jenkinson & Rayner 1977).