Systems management of farm with approach of conservation focussed [by] [at] form strive land;ground conservation and water utilize penanggulangan of surface erosion and take care of the loss of kesuburuan of land;ground. Without existence of cultivation techniques which [is] dot weigh against [at] conservation, hence will more and more critical farm, and can only be managed in short-range, whereas in the long term, its productivity will be downhill.
Critical farm [is] farm which because is inappropriate [of] usage of land;ground and [his/its] ability, have experienced of or in course of damage of fisik-kimia-biologi, what finally endanger function of hidro-orologi, agro product, settlement and life of economic social of environmental area [of] its influence. Critical farm and marjinal in Indonesia reach 43 million ha, among others 20 million critical ha its it[him] and every year still increase ( Soewandito, al et 2002).
To improve;repair the condition of farm which have destroyed, hence can [to] strive land;ground conservation, with technical rekayasa-rakayasa. But strive land;ground conservation and this water in improve;repairing and also improve farm produkstifitas, shall really precise as according to condition of farm election of vegatasi and also climate.
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