ตอน ประโยชน์ของวัชพืช

แม้ว่าวัชพืชจะเป็นพืชที่มนุษย์ไม่ต้องการ  เพราะก่อให้เกิดความเสียหายทางการเกษตร แต่วัชพืชอีกหลายชนิด ก็เป็นประโยชน์ได้อย่างไม่คาดคิดเลยทีเดียววัชพืชที่เป็นอาหารสัตว์ เช่น ผักตบชวา หญ้าเพ็ก หญ้าแฝกหรือหญ้ากลม หญ้าหนวดฤาษีหรือหญ้าหนวดเสือ สามารถนำไปเป็นอาหารสัตว์พวก วัว ควาย แพะ แกะ หรือปลาได้วัชพืชที่เป็นสมุนไพรรักษาโรคในมนุษย์และสัตว์เลี้ยง เช่น ผักโขมเปี่ยมไปด้วยสารต้านอนุมูลอิสระ ช่วยป้องกันโรคมะเร็งเต้านมและมะเร็งปอด ใบสดมีสรรพคุณรักษาแผลพุพองได้   หรือหญ้าคา รากหญ้าคา ใช้ห้ามเลือด แก้ร้อนใน แก้เลือดกำเดาไหล ส่วนใบ ใช้ต้มอาบ แก้ลมพิษ เป็นต้น   หรือจะใช้หญ้าคานำมาไพเป็นตับทำเป็นที่มุงหลังคาก็ได้ ถือเป็นวัชพืชที่ใช้ทำที่อยู่อาศัยค่ะบางครั้งวัชพืชช่วยอนุรักษ์ดิน ลดการพังทลายของหน้าดิน เช่น หญ้าแฝก  เมื่อปลูกเป็นแพ หญ้าแฝกมีรากยึดเกาะดินได้อย่างเหนียวแน่น วัชพืชใช้ทำปุ๋ยหมัก ปุ๋ยพืชสด เช่นผักตบชวา   หรืออาจใช้วัชพืชในงานหัตถกรรมและอุตสาหกรรมบางประเภท เช่น ดอกหญ้า ใช้ทำเป็นไม้กวาด  ผักตบชวา สามารถนำมาเพาะเห็ดฟางได้ หรือนำมาสานตะกร้า สานกระเป๋าเป็นสินค้าหัตถกรรมได้อีกด้วย นอกจากนี้ผักตบชวาและต้นธูปฤาษีใช้ในการกรองหรือบำบัดน้ำเสีย เป็นการช่วยรักษาสภาพแวดล้อมอีกด้วย   เห็นไหมคะ วัชพืชเองก็มีประโยชน์มากมาย ลองหาวิธีการใช้ประโยชน์จากวัชพืชแทนการใช้สารเคมีกำจัด คุณผู้ฟังอาจได้ไอเดียประโยชน์จากวัชพืชแบบใหม่ๆก็ได้นะคะ   (ผลิตโดยสถานีวิทยุมหาวิทยาลัยแม่โจ้ Fm 95.50 MHz)



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14 thoughts on “ตอน ประโยชน์ของวัชพืช

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