您要查找的是不是:
- gray brown desert soil 灰棕色荒漠土,灰棕漠境土
- SUBSTRATE CLASSIFICATION OF IRRIGATED BROWN DESERT SOIL IN SOUTH XINJIANG 南疆平原典型荒漠样区耕种土壤基层分类的探讨
- Effect of Drought-Enduring Herbage-Little Crest Grass on the Fertility Improvement of Grey Brown Desert Soil in Heihe Valley 黑河流域灰棕荒漠土种植耐旱牧草小冠花改土培肥效果的研究
- brown desert soil 棕漠土,棕色荒漠土,褐色荒漠土
- 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。
- Bark gray brown or dark brown, thick, with longitudinal fissures, always exuding pellucid resins when wounded. 树皮灰棕色或暗褐色的,厚,具纵裂的裂缝,受伤时总是渗出透明的树脂。
- 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;
- Wax film for the female gray brown,With only a little bit of light blue, to the breeding season will be turned into dark brown. 母鸟的蜡膜为灰棕色,仅带有一点点浅蓝色,到了繁殖季则会变为深棕色。
- BROWN DESERT FOREST SOIL IN TARIM BASIN 塔里木盆地的棕色荒漠森林土
- 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。
- 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;
- 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。
- His hair became gray when he was only forty. 他刚刚四十岁时,头发就变得灰白了。
- Mr. Robert Brown was announced as the sponsor. 罗勃特·布朗先生被宣布为赞助人。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。