查询词典 multiple cropping

Fire-cured tobacco is one of the important cash crops in tobacco-growing areas of China. Continuous cropping of tobacco brought about many serious problems such as yield decline, quality deterioration and safety reduction.

烤烟是我国烟区重要的经济作物，连作障碍是烟草栽培中的普遍现象，可导致烟草产量下降、品质恶化、吸食安全性降低等问题。

Effects of Rice-Based Cropping System, Organic Manure and Ground Water Level on Sulphur Status in Paddy SoilⅠ.

稻作制与有机肥及地下水位对水稻土硫素状况的影响Ⅰ。

T2 Strip cropping: Upland rice and soybean planted in 6m strips.

T2条带状种植：旱稻和大豆分别种植在6米宽的条带上

The results showed that 177.24 kg·hm^-2 N had been removed by corn harvesting and 1.03 kg·hm^-2 by water and soil erosion, which accounted for 99.42% and 0.58% of the total N removal respectively in treatment with integrated contour hedgerows strip＋contour cropping＋balanced fertilization.

结果表明，在等高种植＋平衡施肥＋等高植物篱条带组合农艺措施条件下，收获玉米带走的氮为177.24kg·hm^-2，占水土流失和收获玉米带走氮总量的99.42％，水土流失带走1.03kg·hm^-2的氮，占水土流失和收获玉米带走氮总量的0.58％；顺坡种植＋农民习惯施肥收获玉米带走的氮仅为120.31kg·hm^-2，占水土流失和收获玉米带走氮总量的79.36％，而水土流失带走31.29kg·hm^-2的氮，占带走氮总量的20.64％。

On soil fungi, Fusarium root shell mold, Rhizoctonia, Pythium, Miao-rot fungus, Corticiumpathogens have a significant effect on the damping-off,diseases, damping-off, Fusarium wilt, Verticillium, Sclerotinia, Colletotrichum, disease, dry rot, scab, Sclerotinia rot, seedling blight, stem blight, leaf blight, steep root, even the special effects for the continuous cropping obstacles.

对土壤真菌、镰刀菌、根壳菌、丝核菌、腐霉菌、苗腐菌、伏革菌等病原菌都有显著的防治效对立枯病、烂秧病、猝倒病、枯萎病、黄萎病、菌核病、炭疽病、疫病、干腐病、黑星病、菌核软腐病、苗枯病、茎枯病、叶枯病、沤根、连作重茬障碍有特效。

The results showed that, no matter mono-cropping and relay-planting, the grain SS activity of spring-sown maize and normal summer-sown maize were decreased at the early stage after anthesis, but after 40 DAA the decrease speed were slow and could maintain a high activity for a long time, which were benefit to the sucrose formation, accumulation and transportation.

结果表明，不管单作还是套作条件下增施氮肥前期春玉米和普通夏玉米籽粒SS活性略有降低，但花后40天后其活性降低慢，能长时间维持较高的值，利于蔗糖的合成、积累和转移。

2 Effect on yield and quality The results indicate that relay-cropping with summer-sown different maturity maize cultivars, there are no obvious effects on biomass, grain yield, and nutritive values (crude protein yield, crude fiber yield, crude fat yield) of the same spring-sown maize cultivars.

2.2 产量及营养价值差异研究结果表明，套作对春玉米生物产量和营养价值影响不显著；但能显著影响夏玉米的生物产量和营养价值。

But relay-cropping with spring-sown different maturity maize cultivars can obviously affect the biomass, grain yield, and nutritive values of the same summer-sown maize cultivars.

当夏玉米为同一品种时，夏玉米生物产量和营养价值表现为：与春玉米LD14套作＞与春玉米YD22套作＞与春玉米YD13套作。

No matter mono-cropping and relay-planting, the increase of nitrogen use could improve the SPS activity of spring-sown maize and high oil summer-sown maize at the stage of 20 DAA, but decrease those of normal summer-sown maize.

无论单作还是套作，增施氮肥使春玉米穗位叶花后20天的SPS活性增强，但套作时高氮却使穗位叶SPS略有下降；增施氮肥使普通夏玉米穗位叶SPS活性下降，高油夏玉米穗位叶SPS活性增加。

Melon is a crop that it is not fit for continuous cropping. Garlic root aqueous extracts can promote melon growth and relax the problem of soil sickness.

甜瓜不适宜连作，大蒜根系水浸液能促进甜瓜生长，缓解甜瓜的连作障碍。

Must have Coordination and negotiation skill, flexible ideas, and be punctilious person.

必须具备较好的协调与谈判能力，头脑灵活，工作认真仔细

Result: 18 patients are all with simple eye.The pigment mole lies in nasal and temple sides of the ball conjunctiva,in which 2 lie in lacrimal caruncle and semilunar plica.

结果：18例患者均为单眼，色素痣大多数位于内外侧睑裂部球结膜面，2例位于泪阜及半月皱襞，经激光治疗后，10例色素痣消失，有5例行再次激光后消失，2例行第三次激光后消失，1例第四次激光后消失。