The utilization of crop residues from former rotation to control weeds in direct-seeding rice field There's always something to do, cutting the grass, weeding the flower beds, and planting bulbs. 利用前茬作物残茎根防除直播稻田杂草总是有事情可以做,剪草坪、去花床的杂草和种植球根植物。
No one could know how many generations had passed when the mountain was covered with all kinds of crops, including wheat, corn, rice, beans, vegetables, fruits and grass, a thriving scene. 就这样下去,不知传了多少代,整个蛇形山变成了层层的梯田,种植各种不同的农作物,有小麦、玉米、水稻、豆类、蔬菜、水果和牧草,真是一派兴旺景象。
Fish daily gain, straw eating amount of grass carp, daily gain of fish per kg fresh rice straw increased by 60.0%, 16.8% and 37.0% respectively when "201" fresh straw was used to feed grass carp compared to those of CK. 201鲜稻草饲养草鱼,鱼的日增重、日食草量、每千克鲜稻草鱼增重分别比一般稻草提高60.0%、16.8%和37.0%;
The transgenic technology has an important breakthrough of gramineae with rice as a typical grass, and it is possible for rice to carry heterogeneity protein. 当今,以水稻为代表的禾本科植物的转基因技术取得了重大突破,水稻表达异种蛋白成为可能。
In this paper, the test results of a few high-yield irrigation models for rice planting in black grass soil of cold region are presented, they show that the optimum irrigation model is the dry-wet intermitted irrigation method. 对寒地草甸黑土稻作的几种高产灌溉方式进行了试验研究,结果表明:干湿交替不建水层的间歇过水灌溉方式为最佳。
This project eventually will reveal all of the genomic sequence information of rice and be an indispensable aid in understanding the genomics of other grass species. 此项研究工作不仅能破译水稻全基因组序列,还将有助于了解其他禾本科植物的基因组信息。
The general research situation and using condition of rice space mutagenesis breeding are stated. The genetic variation law of sp descendants and the specific means of mutagenesis breeding are introduced. Spaceflight mutation breeding of China and its application in grass 简要地综述了对水稻空间诱变育种的研究概况、取得的成果及对SP后代遗传变异规律的有关研究,分析了水稻空间诱变育种的方法;我国植物空间诱变育种及其在草类植物育种中的应用
Study on Treatment of Black Liquor of Rice Grass by Coagulation and Adsorption 混凝吸附处理稻草浆造纸黑液的研究
Rice Grass and Outside Living Beings Invading 大米草与外来生物入侵
Rice allelochemicals could decrease the superoxide dismutase activity of acceptor cockspur grass, and the stronger of inhibitory action, the lower of superoxide dismutase activity. 水稻化感物质可降低受体稗草体内SOD活性,水稻化感抑制作用越强,其受体稗草体内SOD活性越低。
Phenomenon and Analysis of Waxy Endosperm Segregated in F_2 Derived from a Generic Hybridization among Upland Rice, Barnyard Grass and Sorghum 旱稻、稗草、高粱属间杂交F2糯质胚乳现象及分析
The main factors causing the output loss of late rice are mixed rate of barnyard grass and rice and tiller number of barnyard grass. 在肥水等相同的条件下,影响后季稻产量损失的主要因子是夹稗穴率(x1)和稗草分蘖株数(x2)。
By introducing the morphological and ecological characteristics and perniciousness of rice grass, the thesis elaborates great perniciousness of outside living beings invading to the ecological environment and biological variety, and the enormous losses in social economy. 本文通过介绍大米草的形态学、生态学特征及其危害,阐述外来有害生物入侵给我国生态环境、生物多样性造成的巨大危害,对社会经济造成的严重损失;
Effect of 3-S Wide Space Cultivation on Growth and Yield of Rice The Study on Planting Method of Wide Row and Short Space between Plants of Mat Grass 水稻三超宽行栽培对水稻生育及产量的影响
It also including other matching techniques, including select the appropriate rice, and duck species; to breed good seedlings and ducklings technology; planting irrigation and nitrogen application and control technology; rice grass pest eco-control technology and so on. 其中包括选择适宜的稻、鸭品种;培育健壮秧苗和雏鸭;种养结合的肥水运筹与调控;稻田病虫草的生态防治和鸭的科学育肥等配套技术。
Unit mass of the wild rice harvest harvest units than the quality of the grass can get rid of eutrophic water cress more P elements. 3. 收割单位质量的茭草比收割单位质量的水芹能去除富营养化水体中更多的P元素。