High-yield Cog Thiab Cultivation Technology Ntawm Qej (Rrational Close Cog :)

Feem ntau, kab sib nrug yog 20cm thiab 16-17cm, nrog txog 20,000 nroj tsuag ib 667 square meters. Qhov tob cog yog li 5 cm, thiab cov av txuas nrog yog li 1 cm.

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