the most important point of reforestation in the saline and alkaline soil district is, first of all, to understand the conditions of the habitat form of planting area.
the results showed that soil organic matter under alkaline soil condition may affect remarkably the content of available nutrients.
结果表明土壤有机质可显着影响有效态养分含量。
the findings fit with the analysis from the phoenix mars lander mission, which, besides ice, found alkaline soil that could have supported life.
这个发现与凤凰号登陆火星探寻使团的分析相符,他们除冰外,还发现了可以使生命存活的堿性泥土。
the survey shows the fruit tree iron deficiency disease is serious in alkaline soil and it causes bourgeon wither of trees, poor growth and lower or no yield.
combining gypsum with amendment that improve alkaline soil ; tall up the beneficial technique measure to guide the work in field.
并进行对堿土改良效果的初探试验,总结有利的技术措施,指导堿土的改良工作。
because it is more difficult to be improved and now the study for alkaline soil is also few, much land is long abandoned.
因这种堿化土壤的改良难度较大,而目前从事此项工作的研究的又很少,使这相当数量的土地被常期撩荒。
ardealite, a water residue from phosphate fertilizer factories, has been successfully used in the amelioration of alkaline soil as a kind of chemical amendment.
磷石膏是磷肥厂废渣,做为化学改良剂已成功的用于堿土改良。
four soluble inorganic salts were used to study their influences upon cadmium forms in the alkaline soil and contents of cadmium absorbed by plants in the experiment.