论文部分内容阅读
一、播前准备(一)及早腾茬,精细整地1.整地原则。突出“早”字,立足“保墒”。具体讲早腾茬、早整地、早施底肥、早合成,争取腾一块整一块,抓紧时间,千方百计达到保墒的目的。2.整地要求。深:要求机耕6寸以上;碎:土壤细碎,无明暗坷垃;平:耕层深浅一致,地面平整,无起伏;净:灭净杂草和根茬;透:犁透、耙透、不留垡子。3.整地方法。深犁细耙,犁后即耙,少犁多耙,遇雨就耙,吃窄犁细,掩入底肥。4.沟厢配套。做到及时清沟,实现沟系配套。保证及时清
A preparation before sowing (a) Teng cropped early, fine preparation 1. The principle of site preparation. Prominent “early ” word, based on “moisture ”. Specifically, early Teng crop early as early as base fertilizer, early synthesis, for a whole piece of Teng, seize the time, do everything possible to achieve the purpose of preserving soil moisture. 2 site preparation requirements. Deep: require more than 6-inch plowed; broken: fine crushed soil, no light and dark bumpy; flat: uniform depth of plow, the ground is flat, no ups and downs; net: eliminate weeds and stubble; through: plow through, Shuttlecock 3 site preparation methods. Deep plow fine rake, harrow after plow, less plow and more rake, rain rake, eat thin plow thin, cover the base fertilizer. 4 ditch supporting. Do a timely manner to achieve ditch system. Ensure timely clearance