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Various kinds of organic materials
Organic material added to the soil, usually in the form of fertilizer. Fertilizer is a natural ingredient that is added to the soil so that soil fertility can be improved. Organic fertilizer is the fertilizer that comes from the nature of the remains of living organisms both plant and the rest of the remaining animals that contain elements of both macro and micro micro needed by plants in order to flourish. Organic fertilizer made from renewable materials, recycled, diombak by soil bacteria into usur elements that can be used by plants, without polluting the soil and water.
Fertilizers can be organic liquid fertilizer and solid fertilizer. Liquid fertilizers are usually in the form of a filter from the solid fertilizer. Liquid fertilizer is intended to be easier penggunannya, not containing impurities, and at the same time maintain soil moisture. Fertilizers can be either solid green manure, litter fertilizer, compost, or manure. All will have a positive impact on the ground if the gift to the soil after fertilizer.
SOLID FERTILIZER / DRY
Green Fertilizer
Green fertilizer made from plants or plant parts are buried in the ground. The species is widely used by family Leguminoceae or beans and types of grass (elephant grass). These types can produce more organic material, haranya absorption and have a greater root nodule which helps bind nitrogen from the air. Benefits of green fertilizer use, among others
1. able to improve the structure and texture of soil and water infiltration
2. prevent erosion
3. can help control pests and diseases that come from the soil and weeds if planted on the ground when Bero
4. very useful in areas difficult to reach for the supply of inorganic fertilizers
However, green manure also has shortcomings, namely:
* Green plants can be a constraint in time, energy, land, and water
* Planting pattern using rotation with legume crops can invite pests or disease
* May cause competition dngan main crop in the wrought, water and nutrients in intercropping cropping patterns.
Seresah fertilizer (dry leaves / the rest of the plant)
Fertilizer use seresah is a component of plant waste or unused. For example hay, straw bulbs, grasses blow, corn cob, and others. Fertilizer fertilizer seresah often called for utilization of land cover can be directly, ie ditutupkan on the surface of the soil around the plants (mulch). The role of these fertilizers include:
* Can maintain soil moisture, reduce evaporation, water savings
* Prevent erosion, surface mulch-covered soil is not easily soluble and water borne
* Inhibits the nutrients washing by water and surface flow
* Inhibits the growth of weeds
* Keep the crumb texture of the soil
* Avoid contamination of diseases caused by rain splash
* Facilitate the activities of soil micro-organism that helps nourish the soil and humus source
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 Today fertilizing with inorganic fertilizer or chemical fertilizer, its use is increasing. This continues when the can cause nutrient imbalances in soil, and damage to soil structure, so it can reduce the productivity of agricultural land. One alternative to maintaining and improving soil fertility with organic matter such as manure into the soil. Manure application, in addition to improve soil fertility can also reduce the use of artificial fertilizers is relatively expensive, and sometimes difficult to obtain. Manure is a solid and liquid manure of animals mixed with the remnants of feed and base enclosure. |
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