Saturday, August 06, 2005

Horta caseira: Alface

O plantio do alface pode ser feito durante todo o ano. Suas sementes, por serem muito pequenas, podem ser misturadas com areia fina e melhor espalhadas se semeadas a lanço, nos canteiros ou sementeiras.

A germinação leva de 4 a 6 dias. O alface prefere solos argilo-arenosos, ricos em matéria orgânica. Quando estiverem com 6 a 8 folhas e com 8 a 10 cm, devem ser replantados em canteiros bem adubados, de modo que a planta fique com o colo acima do nível do solo e com espaçamento de 30cm entre as plantas. Só devem ser plantadas as mudas mais desenvolvidas, fortes e sadias. Outro importante cuidado que devemos tomar é de não plantarmos as mudas com as raízes emboladas ou dobradas e ainda não devem ser plantadas fundo demais.

A adubação dos canteiros pode ser feita apenas com adubo orgânico, que é feito com esterco de animais ou com o “composto”. Quando o canteiro estiver pronto, colocamos uma camada de esterco distribuída uniformemente sobre a superfície, na base de 20 litros por metro quadrado, espalhando-o bem e misturando-o à camada superficial da terra, deixando-a em condições de plantio. Para evitar o rebaixamento do nível do terreno, devido às regas e às chuvas, o solo deve ser um pouco compactado, evitando que os vegetais fiquem com as raízes fora da terra.

A plantação deve ser limpa, regada e irrigada sempre que necessário. Todas as ervas daninhas que nascerem entre as hortaliças devem ser arrancadas com raiz e tudo, com a mão, um sancho ou uma enxada. Isso é necessário por que elas “competem” com a plantação, roubando os nutrientes provenientes da adubação e fazendo sombra, impedindo que as hortaliças recebam a quantidade de sol necessária.

A colheita começa 60 dias após a semeadura. As folhas velhas devem ser eliminadas e a planta deve ser cortada bem rente ao solo, apesar de também poder ser arrancada com a raiz. Desta forma, se necessário, podemos conservá-la fora da geladeira por muitos dias, desde que seja colocada em um vaso ou recipiente com água, como se faz com flores. O alface prefere solo fresco, fofo, rico em material orgânico e com pH 6 a 6,8 (pouco ácido), de esterco bem curtido. A plantação deve ser irrigada com abundância e regularmente. É uma hortaliça de inverno, preferindo clima ameno.

12 comments:

Eliel LiGEA said...

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http://sites.google.com/site/hortaprontaonline/

Grato, Eliel.

Horta Pronta Online said...

Olá, conheça a Horta Pronta Online, a Horta que já vem pronta,

http://sites.google.com/site/hortaprontaonline/

Grato, Eliel.

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