墑情(qing)(qing)監測有(you)什(shen)么意義(yi)呢?通(tong)過(guo)無線墑情(qing)(qing)與旱情(qing)(qing)管理(li)系統監測墑情(qing)(qing)增產效益顯著,土(tu)(tu)壤(rang)水分不(bu)足將(jiang)會影(ying)(ying)響(xiang)了(le)植株各器(qi)官的(de)(de)生(sheng)長(chang),使(shi)葉(xie)面積(ji)和葉(xie)綠素含量降(jiang)(jiang)低(di),同(tong)時水分狀況(kuang)變(bian)差,影(ying)(ying)響(xiang)了(le)一系列生(sheng)理(li)代謝功(gong)能,使(shi)光合產物減(jian)少,并進(jin)一步限制生(sheng)長(chang)。為了(le)避免因土(tu)(tu)壤(rang)水分不(bu)足而引起(qi)光合作(zuo)用(yong)速率(lv)的(de)(de)降(jiang)(jiang)低(di),在進(jin)行(xing)種植的(de)(de)過(guo)程中使(shi)用(yong)土(tu)(tu)壤(rang)墑情(qing)(qing)測定(ding)儀來進(jin)行(xing)測定(ding)墑情(qing)(qing),以(yi)此來進(jin)行(xing)科學合理(li)的(de)(de)灌(guan)溉,既可以(yi)降(jiang)(jiang)低(di)土(tu)(tu)壤(rang)水分的(de)(de)浪費,同(tong)時達(da)到增產的(de)(de)效果。
通過無線墑(di)(di)情與旱(han)情管理系統監測(ce)墑(di)(di)情同時節水(shui)效果明顯:大家知道以色列是公(gong)(gong)認的(de)(de)(de)高效率用(yong)水(shui)國(guo)家之一其農田的(de)(de)(de)水(shui)分生(sheng)產(chan)(chan)率為(wei)每立方水(shui)可生(sheng)產(chan)(chan)糧食2.32公(gong)(gong)斤(jin),我國(guo)還不到1公(gong)(gong)斤(jin)。通過借助土壤墑(di)(di)情與旱(han)情管理系統進行墑(di)(di)情的(de)(de)(de)監測(ce),將作物的(de)(de)(de)產(chan)(chan)量(liang)由原來的(de)(de)(de)每方水(shui)0.81公(gong)(gong)斤(jin)提(ti)高到1.67公(gong)(gong)斤(jin)。其中小(xiao)麥、夏玉米分別由1.07和1.13公(gong)(gong)斤(jin)/耐提(ti)高到2.19和2.09公(gong)(gong)斤(jin)/耐,起到了(le)很(hen)好的(de)(de)(de)科技示范(fan)作用(yong)。
儀器名稱:無線墑情與旱情管理系統
儀器型號:TOP
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