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- A rhizobag experiment was conducted in desert solonchak and cultivated gray desert soils to investigate nutrient content and soil enzyme activity in the rhizospheres of six desert halophytes. 摘要利用根袋法研究了荒漠盐土和灌耕灰漠土中6种不同荒漠盐生植物根际养分和酶活性特征。
- Cultivated gray desert soil 灌耕灰漠土
- The fixation of phosphorus in gray desert soil is seriously affected by the high content of CaCO3, salinization and alkalization. 对阜康地区灰漠土进行的磷吸附和解吸附实验表明,单施化肥,土壤对磷的吸附会随着施加量的增加而增加。
- Soil total P decreased linearly with time for gray desert soil, paddy soil and fluvo-aquic soil, but did not change significantly for other soils. 在试验进行5年左右，土壤全磷含量都有所降低，以后各点表现不尽相同，新疆灰漠土、长沙水稻土和郑州潮土全磷含量随时间延长呈显著直线下降，其它试验点全磷的变化不明显；
- The Effect of Planting Alfalfa to Soil Nutrients and Humic Acid Characteristics on Gray Desert Soil 苜蓿培肥对灰漠土养分及胡敏酸特性的影响
- Effect of cropland ecological conditions on soil nutrient and humic acid characteristics of gray desert soil 农田生态条件对灰漠土养分及胡敏酸特性的影响
- Effect of Inorganic Phosphorus Fractions in Typical Cotton Field of Gray Desert Soil on Different Fertilizer Application Methods 典型灰漠土棉田土壤无机磷对不同施肥方法响应动态的研究
- gray desert soil 灰漠境土,灰钙土
- Elsewhere, trees must send taproots deep into the hard baked desert soil to draw on underground water. 其它地方树木的主根必须深入受炙烤而坚硬的沙漠底部的土壤以吸取地下水。
- To study the water-holding capacities of desert soil and the soil amended with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation. 通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发,研究了粉煤灰和城市污泥配施对荒漠土壤持水性能的影响。
- The proper amount of N, P2O5 and K2O applying on the Grey Desert Soil is N = 191.07kg/ hm2, P2O5 = 120.00kg/hm2, K2O = 45.27kg/hm2.lt shall obtain the highest yield. 在本试验条件下;北疆灰漠土棉区获得棉花高产的适宜氮磷钾用量为N=191.;07kg/hm~2;P_2O_5=120
- The engineering practice proves that after the foundation is consolidated by mortar pouring into pipe, pipe-jacking course is about the same as that in the original gobi desert soil without groundwater, and the desired result is achieved. 实践证明,基础经小导管注浆加固处理后,其顶进过程与原状、地下水戈壁土的基本相同,达到了预期的目的。
- It was also confirmed that the corn yield in aeolian sandy soil was a little lower than that in irrigated desert soil even though the N application rate was raised by 127.5 kg/hm~2. 灌漠土与风沙土两个试验点比较;风沙土试验点不但施氮量比灌漠土高出127.;5 kg/hm2;而且其产量还略低于灌漠土试验点。
- The results of 12-year located fertilization in grey desert soil of Xinjiang showed that treatments of N, NP, NK, NPK could improve the grain quality in some indexes compared with CK. 摘要新疆灰摸土不同施肥制度的12年长期定位试验结果表明，N、NP、NK、NPK处理小麦某些品质指标较CK有不同程度的改善；
- The land previously cultivated returned to forest. 以前开垦过的那片土地现在又成了森林了。
- To study the water " holding capacities of desert soil and the soil improved with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation. 摘要本文通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发，研究了粉煤灰和城市污泥改良荒漠土壤对持水性能的影响。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- His hair became gray when he was only forty. 他刚刚四十岁时，头发就变得灰白了。
- She cultivated her mind by reading. 她以阅读来修身养性。
- Only one third of the land can be cultivated. 只有三分之一的土地可以耕种。
