我們繼續(xù)探討邊際土地的利用問(wèn)題。邊際土地需要我們的呵護(hù)。如果我們不能好好呵護(hù)它們，情況只會(huì)更糟。loblolly
But using marginal land for grazing is not as simple as it might sound. Cattle can damage forage crops by eating down to the roots. Also, their weight crushes the soil. That can make the ground too hard for growing.A way to reduce the damage from overgrazing is to move animals from 1 field to anothe…
但是，使用邊際土地作為牧場(chǎng)并不像聽(tīng)起來(lái)那么簡(jiǎn)單。牛會(huì)把草根啃掉，這樣就會(huì)毀壞飼料作物，而且它們的體重也會(huì)壓碎土壤，這可能造成土地硬化，植被無(wú)法生長(zhǎng)。一個(gè)有效減少過(guò)度放牧帶來(lái)的危害的方法就是將牲畜在不同地塊之間遷徙。專(zhuān)家稱輪牧對(duì)于這樣的邊際土地至關(guān)重要。下周我們將更多地探討輪牧。邊際土地的另一個(gè)用處就…