-
1991-01-01 Soil fertility is the overriding constraint to food production in the tropics, and yet in many developing countries fertilizers are unavailable or beyond the reach of subsistence farmers. The biological fixation of atmospheric nitrogen is the only way that plants can manufacture their own...
-
2006-01-01 764 pp : with charts Books in soils, plants and the environment, Vol. 113 Global agriculture is now at the crossroads. The Green Revolution of the last century is losing momentum. Rates of growth in food production are now declining, with land and water resources becoming scarcer, while world...
-
Access Agriculture Training Video Mix legumes and grasses to improve the soil fertility, and the nutritional value of the feed. It also improves the yields of the potatoes that you plant next. If you are not able to irrigate, plant the fodder at the beginning of the rains. The mix should include...
-
2022-09-14 Outline Characteristics of Soil Indicating Health Life in the Soil Farmer Constraints in Building Soil Health Competing Uses of Organic Matter Soil Loss Roaming Animals Fire
-
1997-01-01 Water is one of the main requirements for healthy plant growth. Most arid and semi-arid regions, however, suffer from insufficient and unreliable rainfall. In these areas a high rate of evaporation in the growing season is also common. When it rains in (semi-)arid areas, the rainstorms are...
- 这也有其他语言版本:
- English (en)
- Français (fr)
- Português (pt)
-
Field studies have been performed for decades to analyze effects of different management practices on agricultural soils and crop yields, but these data have never been combined together in a way that can inform current and future cropland management. Here, we collected, extracted, and integrated...
-
2010-01-01 In his insightful new book,Holy Shit: Managing Manure to Save Mankind, contrary farmer Gene Logsdon provides the inside story of manure-our greatest, yet most misunderstood, natural resource. He begins by lamenting a modern society that not only throws away both animal and human manure-worth...
-
1998-01-03 This is the classic guide to turning household weight into gardener's gold! Since 1975,Let It Rot!has helped countlessgardenersrecycle waste materials like householdgarbage, grass clippings, and ashesto create useful, soil-nourishing compost.
-
This Framework is written mainly for those actively involved in rural land evaluation. Since most land suitability evaluations are at present carried out for purposed of planning by national and local governments, this is the situtaion assumed in references to decision-making, but the evaluation...
- 1984-01-01 The purpose of soil preparation is to develop a planting medium that will foster the best possible growth of agricultural crops while preventing the deterioration of the land through erosion, destruction of soil structure, or nutrient loss. The soil preparation system used must be economical,...