推荐回答(4个)
灌水的目的是在保证作物需水的同时,通过水分的来带动作物对各种营养的吸收。这才是真正意义上水肥一体,渗灌设施可以确保在一定范围内把一定量的肥料均衡地使用在作物个体之间。做到精准施肥,非常合适作物的标准化生产。
渗灌 华垦柏霖专利产品的特点:1、水肥均衡:渗灌适合水肥一体化推广,做到浇水就施肥,渗灌50米范围内可控制压力均衡,出水均衡。即使土地凹凸不平,也能保证水肥供给均匀。
2、省工省力:渗灌只需落差2米,一个滴孔一小时就能出7-8斤水,不烧油耗电,可浇1~2亩果园,不耽误其它农事操作。渗灌最大贡献是有条件改变过去用肥观念,安装渗灌可真正实现水肥一体化,把作物全部营养可以在生长期内,根据不同作物的需肥特点快速补给,特别是果树不再需挖窝施月子肥。
3、节水省肥:渗灌埋在地下10-500px,直接把作物所需的肥料随水均匀的输送到植株根部,作物“细酌慢饮”,用水量只有大水满灌的20%-30%,由于渗灌要求肥料全水溶,作物可全吸收,提高肥料的利用率,减少过量使用化肥对土壤造成的伤害,精品的液体肥能起到“四两拨千斤”效果,前提是要满足作物产量对养分需求量。
4、方便省钱:滴灌使用时间短,易损与喷灌一样,受压力影响各点出水里差异很大,不适宜肥料的均衡供给,且容易导致毛细根上移,造成多种不利于作物生长的后果。渗灌在地下避免光照造成老化,使用寿命比露天时间长,使用寿命15年以上,与滴灌、喷灌更新与换损件维修费相比,渗灌一次投入多年受益,加上省工、省力、节水、省肥等实为省钱!。
农业灌溉,主要是指对农业耕作区进行的灌溉作业。农业灌溉方式一般可分为为传统的地面灌溉、普通喷灌以及微灌。定义农业灌溉方式一般可分为为传统的地面灌溉、普通喷灌以及微灌。目的主要是为了提高农业生产效率,利于农业作物生长。


节水农业是提高用水有效性的农业,是水、土、作物资源综合开发利用的系统工程。节水农业是提高用水有效性的农业,是水、土、作物资源综合开发利用的系统工程。衡量节水农业的标准是作物的产量及其品质,用水的利用率及其生产率。节水农业包括节水灌溉农业和旱地农业。节水灌溉农业是指合理开发利用水资源,用工程技术、农业技术及管理技术达到提高农业用水效益的目的。早地农业是指降水偏少而灌溉条件有限而从事的农业生产。 节水农业是随着节水观念的加强和具体实践而逐渐形成的。它包括四个方面的内容:一是农艺节水,即农学范畴的节水,如调整农业结构、作物结构,改进作物布局,改善耕作制度(调整熟制、发展间套作等),改进耕作技术(整地、覆盖等),二是生理节水,即植物生理范畴的节水,如培育耐旱抗逆的作物品种等;三是管理节水,即农业管理范畴的节水,包括管理措施、管理体制与机构,水价与水费政策,配水的控制与调节,节水措施的推广应用等;四是工程节水,即灌溉工程范畴的节水,包括灌溉工程的节水措施和节水灌溉技术,如精准灌溉、微喷灌、滴灌、涌泉根灌等。
节水农业是提高用水有效性的农业,是水、土、作物资源综合开发利用的系统工程。目的是使节水节肥,省时省工,品质提高,产量翻倍!
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