Menene tsarin ban ruwa drip
Tsarin ban ruwa na drum drip yana aiki daidai da tsarin guga amma an yi shi don manyan wurare. A maimakon guga, wannan tsarin yana amfani da ganga mai lita 100 zuwa 200 ko ƙaramin tanki, wanda aka sanya kusan mita ɗaya a sama da ƙasa don barin ruwa ya gudana zuwa ƙasa. Layukan ɗigo da yawa, kowannensu tsayinsa ya kai mita 15 zuwa 30, an haɗa su da babban layin ɗigon ruwa ko bututu, wanda aka jera a kwance a fadin filin ko lambun. Yi la'akari da babban bututu a matsayin tushen ruwa na tsakiya, kuma bututun da ke gefe suna reshe daga gare ta, suna yada ruwa a ko'ina cikin yankin ban ruwa. Babban layin yana da bawul ɗin ƙofar don sarrafa kwararar ruwa.
A wuraren da bamboo ke samuwa, bututun bamboo na iya maye gurbin bututun PVC na yau da kullun a cikin wannan tsarin azaman zaɓi na halitta kuma mai tsada. Ana ajiye bamboo tare da tsire-tsire, tare da ƙananan ramuka kusa da kowace shuka don sakin ruwa kai tsaye zuwa tushen.
Tsarin ganga na iya shayar da tsire-tsire 500-1000 da aka dasa tare da 30 cm tsakanin layuka. Wannan tsarin yana buƙatar kimanin lita 100 zuwa 200 na ruwa kowace rana, dangane da amfanin gona da yanayi. Wannan tsarin da ya fi girma ya dace da waɗanda ke buƙatar ban ruwa mai faɗin yanki yayin da suke adana ruwa da albarkatu.