A study is made of the synthesis of urea phosphate and its application on cotton bydrip irrigation.
研究了磷酸脲的合成及其在滴灌棉花的施用情况。
2
All of them are watered bydrip irrigation. The water source for drip irrigation is purified from seawater.
地灌的水源也全部是海水净化，每棵树每年的花费大约在几千美元。
3
Fertigation bydrip irrigation as an advanced technology to control the supply of water and nutrients has been applied by other countries in recent years.