【摘 要】
：
根据各地的生产经验及科学实验,新建大棚的土壤培肥应注意以下几点: 1 坚持有机肥与无机肥配合施用新建大棚土壤的速效养分远远满足不了蔬菜对各种营养元素的需求。为了提高
【机 构】
：
吉林省大安市龙沼农科站 131300
论文部分内容阅读
根据各地的生产经验及科学实验,新建大棚的土壤培肥应注意以下几点: 1 坚持有机肥与无机肥配合施用新建大棚土壤的速效养分远远满足不了蔬菜对各种营养元素的需求。为了提高蔬菜的产量与品质,在增施有机肥的同时,还必须施用足量的化肥。一般有机肥与无机肥
According to local production experience and scientific experiments, the new greenhouses soil fertility should pay attention to the following points: 1 insist on the combination of organic fertilizer and inorganic fertilizers New greenhouses soil available nutrients far can not meet the demand of vegetables for various nutrients. In order to increase the yield and quality of vegetables, it is also necessary to apply sufficient amounts of fertilizers while applying organic fertilizers. General organic fertilizer and inorganic fertilizer
其他文献
西瓜枯萎病多在西瓜幼苗期侵染,伸蔓期开始发病,到膨瓜期达到发病高峰。其典型症状是萎蔫,发病初期夜间尚能恢复正常,持续3～5天后,即可枯死;切开病蔓检查,维管束明显变褐或黄
1.热气灼苗 采用地膜覆盖栽培时,定植穴周围覆土不严,晴天中午膜下热气从膜缝隙间喷出,易灼伤幼苗茎基部,轻者给土传病害侵染创造了机会,重者使幼苗萎蔫而死。因此在黄瓜植
Polysaccharides from mulberry leaves,one of the main chemical compositons of mulberry,has significant antihyperglycemic activity and lower blood lipid.The c
A pectic polysaccharide (ASP3),[α]25D+131° (c 0.1;H20),was isolated from roots of Angelica sinensis (Oliv.) Diels.It consisted mainly of galacturonic acid
特点:模块化D-Link DGS-3024DGS-3024交换机采用模块化设计,性能优越,实现了千兆到桌面,可搭建部门级无瓶颈交换网络,应用于大型企业网、校园网等多种环境。该产品内置有24个
Effect of microwave heating for various times (5,10,15 minutes) on chemical properties of corn and palm oils,ghee and camel fat during microwave heating wer
Brewers spent grain (BSG) is the major by-product of the brewing industry,representng around 85% of the total by-products generated.BSG is a lignocellulosic
The affinity adsorptive characteristic of Morinda officinalis How polysaccharides (MOP) using ConA Sephorose 4B were investigated through static experiments
Coprinus sterquilinus Ft.is kind of fungi and its mycelium was obtained by submerged culture in our study.Extensive research on mushroom polysaccharides has
“我这个人做事特点就是出手快,决定了的事马上就会付诸行动,不瞻前顾後,不拖泥带水,EVD的事,我10分钟就拍板了。这跟我的性格有关,也跟我当兵出身那段经历有关。”7月18日,