several activation agents were used to treat various phosphate fertilizers and their biological effect and mechanism in soil under the eucalypt plantation on basalt latolol were studied.
应用不同活化剂处理不同性质的磷肥 ,对其在玄武巖母质的桉树人工林土壤中的生物效应及其作用机理进行了研究。
technical measures, effects and benefits of chemical weeding in young eucalypt plantation tending were analyzed in this paper.
简述和分析了化学除草技术在桉树幼林抚育中的技术措施、效果和效益。
the high yield eucalypt plantation enters the stage of rapid development in china to meet the raw material demand of the developing industry.
为满足工业发展的原料需求,我国桉树丰产林培育处于高速发展中。