यो Link आफ्नो भाषा मा अवस्थित छैन, हेर्नुहोस्: English (en),
अथवा गुगल अनुवाद प्रयोग:  

www.growbiointensive.org/Self_Teach...hing_2.html

Ideal soil structure has both pore space for air and water to move freely and soil particles that hold together nicely. Air supports plant roots and soil organisms that give life to the soil and enhance nutrient availability for the plants. Aerated soil holds water better than compacted soil, requiring less watering. It also facilitates root penetration, supporting healthy plants and minimizing erosion.

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