Rasionalisasi Pola Rotasi Tanaman Pangan Berbasis Ketersediaan Air

Abdul Karim Makarim, Ikhwani Ikhwni, Made Jana Mejaya

Abstract


Rotation of food crops on farm lands within one cropping year is becoming more important, since the practices could increase the planting and harvesting area of the main crop. Opening new farm lands is prohibitive due to the limited availability of land resources. Crop rotation if rationally applied could overcome drought stress, increased food crop production and farmers’ incomes per year, increased soil fertility, and promoted the production sustainability. Crop rotation would be successful escaping drought stress, if water requirement for the choice of crops and areas of crops in each season during the year was less than the water availability from both rainfall and irrigation. The crop rotation could be optimized by selecting crop varieties which are more drought tolerance and have shorter growing duration, more efficient in using water and have high productivity. Other consideration needs to be taken into account including economic value, sociocultural aspects and in a particular case also includes political and environmental aspect.


Keywords


food crops; crop rotation; water requirement; rasionalize

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