Effects of different planting systems on yield of potato crop in Kaghan Valley: A mountainous region

来源 :农业科学(英文) | 被引量 : 0次 | 上传用户:pgwork2011
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Conversion of potato from conventional methods to wide bed planting systems may increase water and nitrogen use efficiency in commercial potato production system by reducing the amount of irrigation water and water applied nitrogen fertilizer bypassing th
其他文献
To develop an efficient water use strategy for crop irrigation, we need to know how much water can be reduced without decreasing yield. A study was designed to
Land scarcity and poor farming management practices has resulted in to intensive agriculture which rendered most of the soil in sub Saharan Africa depleted in e
路的历史,应该与人类的历史一样漫长,有了人,也就有了路。《释名》曰:“道者,蹈也;路者,露也。”也就是说,道路就是经过人们长期行走而践踏出的没有长草的裸露路而。
Field experiment was conducted for one growing season (2012) in clay loam soil at the Experimental Farm of Faculty of Agriculture, Southern Illinois University
目的探讨PCT、BNP对慢性阻塞性肺疾病急性加重(AECOPD)诊断及治疗的评估价值。方法选取COPD患者90例,其中AECOPD52例,设为观察组,稳定期COPD38例,设为对照组。检查患者各项生化指标
【文囊设计】阅读下面的材料。按要求作文。碧玉妆成一树高.万条垂下绿丝绦。(贺知章《咏柳》)接天莲叶无穷碧.映日荷花别样红。(杨万里《晓出净慈寺送林子方》)
Antimicrobial potential of quinoa seeds from six diverse seeds, grown in three distinctive geo-graphical zones of Chile, was correlated with their total phenoli
培养学生写作个性,关键要尊重个性差异,合理分类,因材施教。讲个性不能一刀切,不能走极端,把“个性”悬得太高,是走入了误区,讲个性要求真,要务实。笔者结合教学实践具体谈谈
Eyestalk ablation is the most common procedure to induce gonadic maturation of Eriocheir sinensis. In addition to reproduction, other physiological and metaboli
这是初冬。天气尚未冷得彻底,风吹过来,甚至还是和煦的。从七楼望下去,还见一些绿色,夹杂在明黄、深黄、金黄、紫红、橙红、褐粉里,那是银杏、梧桐、桂树、枫树,还有一些白杨