查询词典 mulch

Water consumption, yield and income of tomatoes with drip irrigation under mulch and furrow irrigation in sunlight greenhouse were studied.

对日光温室膜下滴灌和沟灌方式下种植番茄的耗水量、产量和收入等进行了研究。

A field experiment was carried out to study the effects of N application (0, 180, 270, 360 kg/hm^2) on N uptake, accumulation yield and apparent N recovery in cotton with drip irrigation under mulch.

2004年在膜下滴灌条件下，研究了施氮量0、180、2703、60 kg/hm^2对膜下滴灌棉花氮素的吸收、累积和产量及氮肥利用率的影响。

In order to know the effects of mulch-drip irrigation on soil enzyme activities of saline-sodic soil with shallow water table, activities of alkaline phosphatase, urease, and invertase around the dripper, within 30 cm in horizontal direction and 40 cm in vertical direction from the dripper during the reclamation process, were investigated. Changes and distribution of soil enzyme activities, also their relationships with principal soil environment factors were studied.

为了解地下水浅埋区重度盐碱地覆膜滴灌对土壤酶活性的影响，测定了重度盐碱地在滴灌利用过程中距离滴头不同水平位置（0～30 cm）和垂直深度（0～40 cm）的土壤碱性磷酸酶、脲酶和蔗糖酶活性，并对土壤酶活性的变化、空间分布特征及与土壤环境因子之间的相关关系进行分析。

This is a very environmental way to store your mulch as well as fertilize your lawn.

这是一个很环保的方式存放你的草坪复盖以及施肥你。

You can apply the mulch to your flowerbed in late spring after your region's last frost date.

你可以用复盖你花春末以后你地区的霜冻最后日期。

There are machines that prepare beds, fertilize, fumigate, and apply mulch in separate or combined operations. It is also possible to adapt existing equipment to achieve these objectives.

现在已有了准备苗床、施肥、烟熏和铺放薄膜的单独作业或联合作业的机械，也可以调整现有的设备达到这些目的。

Nutrient components of sweet potatoes with weed management in organic cultivation was better by intercropped soybean. Crude protein, reducing sugar and starch were better with thrice intertillage. Nutrient components of sweet potatoes with different mulch was better by peanut shell.

不同方式控制杂草对甘薯营养成分之影响试验中，四种不同绿肥间植，以绿肥大豆在各成分中表现较佳；四种耕犁次数控制杂草试验，三次耕犁对粗蛋白、还原醣及淀粉有较佳之表现；四种敷盖物以花生壳对各种成分有较佳之表现。

The finished product export Europe and the United States Secretary, Department of Sports equipment kneepad, mulch, such as semi-finished coating, electroplating color has basket, red, gold and other colors, look and quality of finished product manufacturers to strict cooperation.

本司成品出口欧美，系运动器材类护膝、护盖等半成品的镀膜，电镀色有篮、红、金等色，望与成品质量能严格把关的厂家合作。

She says organic material such as leaf mulch, also called leaf mold, can almost always improve poor soil.

她表示类似于 leaf mulch （也称为 leaf mold ）这样的有机物几乎总是能改善贫瘠土壤。

According to the experiment results of degradation in field, degradation mechanism of the biodegradable mulch film can include four stages: the first, the material surface appeared deficiency while the surface area and interstice increased of material in the action of natural environment and microorganism; the second, along with the surface area and interstice of material increased and the gap strengthened, the chemical chain of the high polymer's principal chain broke as a result of the hydrolysis or the enzymatic effect in the action of hydration, causing the molecular weight and mechanics function descended; the third, the molecular of high polymer split the low polymer after its physical mechanical function descended, the material decomposed the fragments, the mass defect intensified; the fourth, the low polymer of fragments form in the natural environment, the microorganism, the biological enzyme became the smaller fragments, thus absorbed by the phagocytes, or further turn into CO2 and H2O due to hydrolysis.

根据田间降解试验结果推测，生物全降解地膜的降解机理可能包括四个阶段：第一，在自然环境、微生物作用下，材料表面出现缺陷，同时表面积增大、空隙增多；第二，随着材料表面积的增大、空隙的增多，吸水性增强，在自水合作用下，高聚物主链由于水解或酶解而使化学链断裂，导致分子量和力学性能下降；第三，在其物理机械性能下降后，高聚物分子链断裂为低聚物分子，材料裂解为碎片状，质量损失加剧；第四，碎片状低聚物在自然环境、微生物、生物酶作用下进一步水解变成尺寸更小的碎片，从而被吞噬细胞吸收，或进一步水解，生成CO2和H2O。

Objective To study the effect of chitosan in the prevention of fibrous scar formation in the epidural space after laminectomy.

目的 观察选择性脊神经后根切除术椎板切除后硬膜外几种防瘢痕粘连物质的作用并探讨其机制。

On his way to the lift, he looked back to us or was it me his eyes pointing?

当他要进电梯时，他回头看我们（或者说是我，他的眼光？